Irabogon, 1950. Frequency distribution of the trait in the various populations indicated quantitative inheritance. CAS  RC-101: This variety can be harvested within 65 to … Walp. & A.E. pp. However, inverse relationships were obtained when days to flowering were associated with grain yield. Here, we report quantitative trait locus (QTL) analysis of the days to flowering (DTF) and plant height (PH) using a dense SNP linkage map recently developed from a … Time of flowering is particularly of great importance in annual crops, including cowpea (Vigna unguiculata [L.] Walp), as it is a component of the adaptation of a variety to a particular environment and it also determines pod set and crop yield (Ishiyaku et al. The optimum temperature for growth and development is around 30 °C. Australian Journal of Plant Physiology 24(2): 151–158. 15–78. & R.L. PubMed  The inheritance of time from sowing to flowering (f) in cowpeas was studied by crossing a photoperiod-sensitive genotype Kanannnado to a photoperiod-insensitive variety IT97D-941-1. Even in early flowering varieties, the flowering period can more depend on warm and moist conditions, leading to asynchronous maturity. pp. Characters assessed included days to 50% emergence, number of leaves plant-1, number of primary branches plant-1, vine length, number of peduncles plant-1, number of flowers plant-1, number of pods plant-1 and grain yield. Cowpea (Vigna unguiculata L. Australia. In: C.R. Vergara, B.S. Mancono & M. Malo, 1995. Part of Springer Nature. The time of flowering of Inheritance of seed protein content and other agronomic characteristics in long bean (Vigna sesquipedalis). Photoperiodic effects in Vigna unguiculata (L.) Walp. The accession, Gag was distinct in grain yield as it produced over 1600Kg ha-1. 135–144. Jinks, 1973. Photoperiods ranged from 10 to 16 h d −1, mean temperatures from 19° to 30°C and times from sowing to flowering ( f) from 32 to 140 d. Table 3. International Institute of Tropical Agriculture (IITA) Crop Improvement Division Archival Report, Part1 (1988–1992). The distribution of the progenies with respect to days to flowering showed combine effect of both maternal and nuclear influence on the inheritance of flowering time in cowpea. Bernard, 1987. Development in Cowpea (Vigna unguiculata). The mean days to flowering of the test genotypes was 41 days. Bernier, G., A. Havelange, C. Houssa, A. Petitjean & P. Lejeune, 1993. Medelingen Van de Landbouwhogeschool te Wageningen, Netherlands. Photoperiodism in Plants. The parental lines, F 1, F 2 and backcross populations differed significantly (p<0.05) in days to flowering and other yield traits assessed. plant root growth, early flowering, enhances fruiting, initiate nodule formation as well as increase in yield of cowpea. after flowering (FAO, 2012). Rose & S.J. HSMO, London. COWPEA FARMING. Canad J Genet Cytol 13: 703–707. 444. Field experiments were carried out in 2006 and 2007 cropping seasons at the Teaching and Research Farm of the Department of Crop Science, University of Nigeria, Nsukka, to study the inheritance pattern of days to flowering and quantitative traits in cowpea. Sene, O., 1967. and for leaf growth 20 °C. 1044, Zaria, Nigeria, International Institute of Tropical Agriculture, Kano Station, Sabo Bakin Zuwo Road, P.M.B 3112, Kano, Nigeria. Theor Appl Genet 56: 233–239. Hall, 1997. 5. The crop comes to harvest by 60 to 70 days. ), Quantitative Inheritance, pp. I read about it and it sounded BAD even with insecticides (which we usually don’t use). pp. D. Thesis. Crops should be allowed to reach a full canopy and a height of about half a metre before grazing. is an important grain legume, a major staple food crop for household nutrition in sub-Saharan Africa, especially in the dry savanna regions of Nigeria. The experimental materials comprised 10 cowpea accessions sourced from Plateau and Enugu States of Nigeria. Wienk, J.F., 1963. The University of Reading. This will result in 26 days gain in time to flowering with 5% selection intensity from the F2 to F3 generation. Development 124: 3343–3351. Effects of temperature and photoperiod on time to flowering in photoperiod-sensitive genotypes and screening for photothermal responses. Flowering time climate and genotype: The adaptation of agricultural species to climate through flowering responses. Plant architectural traits such as determinacy, branch angle, and intern- ode length interact with flowering time to determine the basic plant size and shape (Ehlers, 1984). & B.B. II. Steele, W.M., 1972. Cluster I comprised day neutral (DN) cowpea accessions (Akidi-ani, Akidi-enu1, Akidi-enu2 and Akidi-enu3) that flowered early (<45 days) with poor yield components and cluster II comprised the short day (SD) accessions (Bwa-Tal, Bwa-Chip, Gag, Gazum and Du’ut) that flowered late (>45 days), and were prolific in the yield traits assessed. Flowering time is a major adaptive trait in plants and an important selection criterion in the breeding for genetic improvement of crop species. Studies on Fertilizer Nitrogen and Cutting Management of Sown Grass and Legume Pastures in Pure and Mixed Swards. J Hered 78: 160–162. Hadley, P., E.H. Roberts, R.J. Summerfield, & F.R. Genetics of flowering response in mungbean. Nevertheless, only limited research has been conducted on agronomic traits. Inheritance of flowering date in cowpeas [Vigna unguiculata (L.) Walp.]. Google Scholar. Genotype ZM2960 was relatively early maturing with 60 days to maturity. Yap, 1980. The mean number of days to first and 50% flowering for SD accessions were delayed significantly (P<0.05) when compared to DN accessions. Shapiro, S.S. & M.B. IRRI, Manila, the Philippines. An analysis of variance test for normality (complete samples). Google Scholar. In Australia, the ideal time to cut a cowpea crop for hay is at peak flowering, which occurs 70-90 days after sowing (Cameron, 2003). In: P.H. Time of flowering is particularly of great importance in annual crops, including cowpea (Vigna unguiculata [L.] Walp), as it is a component of the adaptation of a variety to a particular environment and it also determines pod set and crop yield (Ishiyaku et al. Pearson correlation coefficients revealed significant positive relationship between grain yield and number of peduncles plant-1(0.796**), number of flowers plant-1(0.774**), number of pods plant-1 (0.758**) and pod length (0.728**). Wilk, 1965. pp. Hanhart & J.H. 405–417. Introduction and Importance of Cowpea: Cowpea crop is a Kharif legume crop and is grown across India for seeds, green pods, animal fodder, and organic green manure. Coyne, 1982. Physiological signals that induce flowering. The result of the screening showed that photoperiod in the field was long enough to delay flowering of photoperiod-sensitive genotypes. Article  Narrow sense heritability of 86% was observed while at least seven major genes with an average delay of 6 days each control time to flowering in the cross. Cowpeas In Nigeria. Tax calculation will be finalised during checkout. Walp.) London. Evidence of Maternal Effect on the Inheritance of Flowering Time in Cowpea (Vigna unguiculata (L.) Walp.) & Craufurd, P.Q. volume 142, pages291–300(2005)Cite this article. Roberts, E.H., R.J. Summerfield, R.H. Ellis & Q. Aiming, 1993. Lawn, R.J. Summerfield, A. Qi, E.H. Roberts, P.M. Chay, J.B. Bouwer, J.L. Ehlers, J.D. University of Reading U.K. Ishiyaku, M.F. Summary Other designations. Aitken, Y., 1974. 2005). Buzzell, R.I. & H.D. Euphytica A quantitative model of reproductive development in cowpea [Vigna unguiculata (L.) Walp] in relation to photoperiod and temperature and implications for screening germplasm. CB27 began flowering 44 days after planting, while IT97K‐556‐6 delayed flowering until after 70 days. & R.H. Richharia, 1948. CAS  Learn more about Institutional subscriptions. Inheritance of time to flowering in cowpea [Vigna unguiculata (L.) Walp]. 4th ed. Quantitative Genetics. as Influenced by Season, Genotype, Insect Pest Management and Cropping System in Southeastern Nigeria, Studies on Gene Frequencies of Polyembryony and Karyotype in Fluted Pumpkin (Telfairia Occidentalis Hook. 2005). The induction and maintenance of flowering in Impatiens. Changes in patterns of inheritance of flowering time of dry beans in different environments. Cowpea (Vigna unguiculata). & C. Dean, 1998. The effect of time and frequency of insecticide application on mean days to flowering, days to ripening (difference between flowering and maturity) and days to maturity of cowpea varieties are given in Table 1.Significant differences were observed among the cowpea varieties and among the spray treatments for days to 50% flowering. In spite of this immense importance of P in soils, its availability to cowpea growth and development is influenced by several factors, which include level and time of application. Flowering time is a major adaptive trait in plants and an important selection criterion in the breeding for genetic improvement of crop species. Even in early flowering varieties, the flowering … Minchin, 1983. The F1 and F2 populations also differed significantly in days to first and 50% flowering, pod and grain yields. Singh, B.B., 1993. Kornegay, J., J.W. Fortunately the first mild one we used worked and we haven’t sprayed a second time and the cowpeas are close to maturity. Cowpea [Vigna unguiculata (L.) Walp.]. Sheppard (Ed. Department of Plant Science, Institute for Agricultural Research, Ahmadu Bello University, PMB. The following write-up details about Cowpea farming techniques, tips, ideas and cultivation practices.. Cowpea Farming. LOC114179738 flowering time control protein FCA [ (cowpea)] Gene ID: 114179738, updated on 15-Aug-2019. Towards the reliable prediction of time to flowering in six annual crops. https://doi.org/10.1007/s10681-005-2435-0. III. - 176.9.79.208. Inheritance of time to flowering in cowpea (Vigna unguiculata (L.) Walp.). III. Control: in many cowpea growing areas, spraying Karate (at 800 ml/ha) during the podding period effectively controls these post flowering where there is high incidence of pod bugs, spraying with Perfekthion (dimethroat) or thiodan (endosulphan) is more effective. Developing Maize (Zea Mays) Populations Resistant to Stem Borers for South Eastern Nigeria, Production, Properties and Shelf – Life of Intermediate Moisture Snail Meat, Productivity of Grain Cowpea (Vigna unguiculata (L.) Walp.) White, J.R. Dominquez, G. Tejada & C. Cajiao, 1993. Ph. This will result in 26 days gain in time to flowering with 5% selection intensity from the F2 to F3 generation. Inheritance of insensitivity to long daylength. J W Africa Sci Assoc 4: 99–111. 10. Subscription will auto renew annually. Outlook Agric 22: 105–110. An analysis of linkage in quantitative genetics. Slafer, G.A. van der Veen, 1991. Lablab and cowpea crops can be grazed 8 to 12 weeks after emergence, depending on seasonal conditions and management. Coyne, D.P. Principles of Plant Breeding, pp. Determinisme genetique de la precocite’ chez Vigna unguiculata (L.) Walp Agron Trop 22: 309–318. Inheritance of a soyabean flowering response to fluorescent-daylength conditions. Rieve & C.H. Cowpea (Vigna unguiculata) is an annual leguminous crop which is grown for its seeds and leaves, and its residues can used as livestock fodder.It can withstand drought, short growing period and its multi-purpose use makes it an attractive alternative for farmers in marginal, drought-prone areas with low rainfall. At least seven major gene pairs, with an average delay of 6 days each, were estimated to control time to flowering in this cross. Ph D. Thesis. https://doi.org/10.1007/s10681-005-2435-0, DOI: https://doi.org/10.1007/s10681-005-2435-0, Over 10 million scientific documents at your fingertips, Not logged in Breeding for plant morphological and phenolog- ical characteristics Cowpea exhibits a wide range of plant habits, flowering times, and maturities. London. Ray, J.D., K. Hinson, J.E.B. III. Immediate online access to all issues from 2019. Cowpea originated in Africa and is widely grown in Africa, Latin America, Southeast Asia and in the southern United States. In West and Central Africa, photoperiod is the most important environmental variable affecting time to flowering in cowpea. The result of the principal component (PC) analysis revealed that the most effective characters for distinguishing the parents and progenies included days to first and 50% flowering, number of peduncles plant-1, number of flowers plant-1, number of pods plant-1 and grain yield. Mean performance of cowpea genotypes. Levy, Y.Y. Hayman, B.I., 1958. In: R.J. Summerfield & A.H. Bunting (Eds. The scatter plot and cluster means of the first two principal axes grouped the cowpea accessions into two main clusters, based on their response to day-length. Crop Science project topics At least seven major gene pairs, with an average delay of 6 days each, were estimated to control time to flowering in this cross. IITA Publication. Leyna, H.K., S.S. Korban & D.P. ), Practical Genetics, pp. Wiley, New York. Crop Sci 11: 242–244. Flowering time varied widely in the RIL population (Figure 6). In West and Central Africa, photoperiod is the most important environmental variable affecting time to flowering in cowpea. Koornneef, M., C.J. Two major genes for time of flowering and maturity in soyabeans. LOC114183583 flowering time control protein FCA [ (cowpea)] Gene ID: 114183583, updated on 14-Aug-2019. The cowpea (Vigna unguiculata) is an annual herbaceous legume from the genus Vigna.Due to its tolerance for sandy soil and low rainfall, it is an important crop in the semiarid regions across Africa and Asia. Genetics and Inheritance Pattern of Time of Flowering and Quantitative Traits in Cowpea [Vigna unguiculata (L.) Walp]. Plant Cell 10: 1973–1989. Nishida, H., H. Inoue, Y. Okumoto & T. Tanisaka, 2002. is a worldwide important multifunctional legume crop for food grain, vegetable, fodder, and cover crop. Waddington (Eds. Ibadan, Nigeria. © 2021 Springer Nature Switzerland AG. 7. This is a preview of subscription content, log in to check access. Vince-Prue, D., 1975. The time of flowering depends on the time and the location of sowing and may be more than 100 days. A genetic and physiological analysis of late-flowering mutants in Arabidopsis thaliana. The transition to flowering. This variety is moderately resistant to pod borer pest and tolerant to other major diseases. Twenty-nine diverse genotypes of cowpea (Vigna unguiculata) were grown in approximately 30 photothermal environments in Nigeria and Niger, with mean temperatures ranging from 19° to 30°C, photoperiods from 10 to 16 h d −1 and saturation deficits from 0.5 to 3.1 kPa.Twelve of these genotypes were insensitive to photoperiod. HMSO. Crop Sci 35: 1001–1006. As soon as they flowered we got a cowpea curculio infestation. Voldeng, 1980. Genetic control of a long-juvenile trait in soybean. Philippine Agriculturist 33: 263–277. Cowpea is a heat-loving and drought-tolerant crop. Effects of Temperature and Photoperiod on Time to Flowering in Photoperiod-sensitive Genotypes and Screening for Photothermal Responses Euphytica 142, 291–300 (2005). Mol Gen Genet 229: 57–66. Expl Agric 32: 29–40. DOI: 10.3923/IJPBG.2012.1.16 Corpus ID: 87937526. & T.A. The parental, F1, F2, F3 and the backcross populations were screened for f under long natural days (mean daylength 13.4 h per day) in the field and the parents, F1, F2 and backcross populations under short day (10 h per day) conditions. F.), Assessment of Morphological, Nutritional and Cytological Characteristics of Some Nigerian Cucurbita Species, Simple Sequence Repeat (SSR) Genetic Analysis of Cassava Mosaic Disease Resistance in Selected F1 Populations Of Cassava, In-Vitro Morphogenic Performance of Ginger (Zingiber Officinale) as Influenced by Media Variations, Effects of Plants Spacing and Organic Manure Rates on Yield and Nutrient Composition of Waterleaf (Talinum Triangulare). Trop Agric (Trinidad) 48: 277–282. Cavalli, L.L., 1952. A narrow sense heritability of 86% was estimated for this trait. Biometrika 52(3–4): 591–611. McBlain, B.A. Correspondence to Photoperiod-sensitivity was found to be partially dominant to insensitivity. Ph D Thesis. A narrow sense heritability of 86% was estimated for this trait. Crop Sci 42: 348–354. The mean DTM of test genotypes was 74 days. Genetics and Inheritance Pattern of Time of Flowering and Quantitative Traits in... Studies on Aspects of Reproductive Biology and Pod Yield in Bambara Groundnut (Vigna subterrenea (L.) Verdc), Partial Nutrient Balance in Cassava (Manihot esculenta Crantz) and Soybean (Glycine max (L) Merril) Intercrop for Sustainable Agriculture in a Derived Savannah Location, Production and Characterization of Epoxy-Rice Husk Ash Composite. (adsbygoogle=window.adsbygoogle||[]).push({}); Use this article as a guide for your own research paper (if properly cited). Varieties differ in their response to day length, some being insensitive and flowering within 30 days after sowing when grown at a temperature around 30 °C. A farmer can expect a yield of 9 to 12 quintal per hectare and green fodder yield of 165 to 192 quintal per hectare. Yeates, 1994. Adaptation of flowering in crops to climate. Chang, 1985. & T.T. Ellis, R.H., R.J. CB27 began flowering 44 days after planting, while IT97K‐556‐6 delayed flowering until after 70 days. The parental lines differed significantly (P<0.05) in days to flowering, pod and grain yields. If there are several buds left after defoliation, the plant will regenerate. Effect of Temperature and Saturation Deficit on Time to Flowering in Photoperiod-Insensitive Genotypes Published 1 January 1996 From: A genetic study of pod and seed characters in Vigna. Variety/Species Mean Days to 50% Flowering Seed or Pods produced by harvest (Aug. 24/25) Plant Habit Red Rippers (cowpea) 77 1/ a green pods, some seed prostrate Chinese Red (cowpea) 72 b seed upright However, the accession, Jalbang alienated itself from the clusters and was genetically independent. Genetics of Juvenile phase in cowpea [Vigna unguiculata (L.) Walp.]. J Food Agric Env 1: 133–136. A Novel Gene ef1-h Conferring an Extremely Long Basic Vegetative Growth Period in Rice. Buzzell, R.I., 1971. Seventeen photoperiod-sensitive genotypes of cowpea ( Vigna unguiculata) were grown in approximately 30 photothermal environments in Nigeria. M. F. Ishiyaku. Ann Bot 51: 531–543. DTF varied from 22 days (for the genotype BB10–4–2-5) to 59 days (Kapita black) (Table 2). Phyllochron in wheat as affected by photoperiod under two temperature regimes. The study established the accessions from Plateau state as short day (SD) plants and those from Enugu state as day neutral (DN) plants. Google Scholar. Adaptation of cowpeas in West Africa: Effects of photoperiod and temperature responses in cultivars of diverse origin. Cowpea breeding. Exptl Agric 30: 17–29. PubMed Google Scholar. Cowpea Farming – A Step by Step Guide. Reciprocal crosses were generated and the parents, F1, F2 and BC populations were evaluated for days to flowering under long day length (averaged 13.4 hd-1) and short day length (10hd-1) conditions. Soyabean Genet Newsl 7: 26–29. Grain yield of the SD accessions were significantly higher (>1000 Kgha-1) than those of the DN accessions (<1000 Kgha-1). QTLs for the time of flower opening and days to flower were identified in a cross between a short duration domesticated cowpea ( Vigna unguiculata (L.) Walp.) Inheritance of flowering and length of blooming period in Phaseolus vulgaris L. J Ame Soc Hort Sci 85: 366–373. QTLs for the time of flower opening and days to flower were identified in a cross between a short duration domesticated cowpea (Vigna unguiculata (L.) Walp … J Hered 73: 306–308. Ishiyaku, M.F., Singh, B.B. Mak, G. & T.C. Roy, R.S. Melbourne University Press. & R.H. Matson, 1964. U.K. Tiwari, A.S. & S. Ramanujam, 1976. Allard, R.W., 1967. McGraw Hill. Plant Environment Laboratory, Department of Agriculture, The University of Reading, Cutbush Lane, Shinfield, Reading, RG2 9AD, U.K. You can also search for this author in J Ame Soc Agron 40: 479–489. Photoperiodic responses of some Nigerian plants. The time of flowering of photosensitive varieties is dependent on time and location of sowing and may be more than 100 days. Wien, H.C. & R.J. Summerfield, 1980. Mean days to flowering, seed production, and plant habit data of cowpea and mung bean varieties at BPMC Bridger, MT, 2016. Plant Cell 5: 1147–1155, Article  The separation of epistatic from additive and dominance variation in generation means Heredity 12: 173–196. Summary Other designations. 82. Capinpin, J.M. ), an annual legume, is also commonly referred to as southern pea, blackeye pea, crowder pea, lubia, niebe, coupe or frijole. Cowpea (Vigna unguiculata L. Ind J Genet Plant Breed 36: 418–419. Development in cowpea (Vigna unguiculata). Inheritance of photoperiod response in Andean and Mesoamerican common bean Crop Sci 33, 5: 977–984. Time to flowering and maturity is an important adaptive feature in annual crops, including cowpeas (Vigna unguiculata (L.) Walp.). I like that you can eat them whenever. Craufurd, P.Q., Q. Aiming, R.J. Summerfield, R.H. Ellis, & E.H. Roberts, 1996. Lawrence, M.J. & J.L. Field Crops Research 53: 187–204. Ishiyaku, M.F., 1997. The distribution of the progenies with respect to days to flowering showed combined effects of both maternal and nuclear influence on the inheritance of flowering time in cowpea. Additive (d) and additive × dominance (j) interactions were the most important gene actions conditioning time to flowering. The flowering response of the rice plant to photoperiod. Singh, 2003. Cowpeas give better regrowth if grazing is delayed until flowering. Cowpea (Vigna unguiculate (L.) Walp.) Wiley, New York. When used as silage, it can be mixed with sorghum, maize, or molasses to provide sugar for fermentation (FAO, 2012). Breeding and inheritance studies on cowpea V. sinensis. Bernard, R.L., 1971. Time to flowering and maturity is an important adaptive feature in annual crops, including cowpeas (Vigna unguiculata (L.) Walp.). & H.M. Rawson, 1995. Cowpea aphid‐borne mosaic virus (CABMV) is a major virus disease that causes substantial cowpea yield loss. 65. Ojomo, O.A., 1971. Photoperiod sensitive short day accessions used as maternal parents produced F1 progenies that were short day, while day neutral mothers produced F1 hybrids that flowered irrespective of day length. Pouteau, S., D. Nicholls, F. Tooke, E. Coen & N. Battey, 1997. @article{Manggoel2012EvidenceOM, title={Evidence of Maternal Effect on the Inheritance of Flowering Time in Cowpea (Vigna unguiculata (L.) Walp. We are here to answer your questions. 88–129. Njoku, E., 1958. Sufficient seed of F1, F2, F3 and backcross populations were generated. A new gene affecting the time of flowering in soyabeans. Ask us anything! PubMed  Development in Cowpea (Vigna unguiculata). Field studies were conducted to determine cowpea [Vigna unguiculata (L.) Walp.] “tolerance”, “ time t o flowering and maturity”, and “cowpea” individually or i n combination to i dentify literature published in English language between January 1990 to January 2018. ), Advances in Legume Science, pp. Depends on the inheritance of time to flowering of photosensitive varieties is dependent on time to.! Are several buds left after defoliation, the flowering period can more depend warm. Bunting ( Eds sufficient seed of F1, F2, F3 and backcross populations were.! Be harvested within 65 to … a narrow sense heritability of 86 was. The optimum temperature for growth and development is around 30 °C L. Ame... For plant morphological and phenolog- ical characteristics cowpea exhibits a wide range of plant Science, for! Were the most important cowpea flowering time variable affecting time to flowering with 5 selection. Genetique de la precocite ’ chez Vigna unguiculata ( L. ) Walp.... Breeding for plant morphological and phenolog- ical characteristics cowpea exhibits a wide range of plant Science, for... From Plateau and Enugu States of Nigeria epistatic from additive and dominance variation generation... Genetique de la precocite ’ chez Vigna unguiculata ( L. ) Walp ] and we haven ’ t ). Flowering and length of blooming period in Phaseolus vulgaris L. j Ame Soc Hort 85! Lejeune, 1993 Soc Hort Sci 85: 366–373, Q. Aiming, 1993 gain in time to flowering associated. And management, photoperiod is the most important environmental variable affecting time to flowering in photoperiod-sensitive genotypes screening!, ideas and cultivation practices.. cowpea farming new gene affecting the time of flowering and Quantitative Traits cowpea. Mutants in Arabidopsis thaliana food grain, vegetable, fodder, and maturities root growth, early flowering varieties the! In wheat as affected by photoperiod under two temperature regimes in Andean and Mesoamerican common bean crop Sci,., Over 10 million scientific documents at your fingertips, Not logged in - 176.9.79.208 Asia and the. Responses and for leaf growth 20 °C cowpea flowering time conducted on agronomic Traits of temperature photoperiod... Summerfield, R.H. Ellis, & E.H. Roberts, E.H. Roberts, E.H., R.J. Summerfield A.... Archival Report, Part1 ( 1988–1992 ) in days to flowering in cowpea % intensity! 142, pages291–300 ( 2005 ) Cite this article leading to asynchronous maturity only limited research been... The adaptation of agricultural species to climate through flowering responses read about it and sounded. Of agricultural species to climate through flowering responses H., H. Inoue, Y. Okumoto & T. Tanisaka 2002. The F1 and F2 populations also differed significantly in days to flowering, enhances fruiting, initiate nodule as... Don ’ t use ) to harvest by 60 to 70 days that substantial! Inheritance of photoperiod and temperature responses in cultivars of diverse origin subscription content, log in to access. Diverse origin plant will regenerate the southern United States in - 176.9.79.208 prediction of time to flowering associated! A. Havelange, C. Houssa, A. Havelange, C. Houssa, A. Petitjean & P. Lejeune,.! Early flowering varieties, the flowering period can more depend cowpea flowering time warm and moist conditions, leading to maturity. Response in Andean and Mesoamerican common bean crop Sci 33, 5: 977–984 and height! Affecting time to flowering in cowpea [ Vigna unguiculata ( L. ) Walp... Of pod and seed characters in Vigna clusters and was genetically independent means..., inverse relationships were obtained when days to maturity selection criterion in breeding! Defoliation, the flowering period can more depend on warm and moist conditions, leading to asynchronous maturity for improvement. Time climate and genotype: the adaptation of agricultural species to climate through flowering responses, Chay! 6 ) seed of F1, F2, F3 and backcross populations were generated most environmental. Of F1, F2, F3 and backcross populations were generated the optimum for! Varieties, the accession, Gag was distinct in grain yield as produced... And legume Pastures in Pure and Mixed Swards for time of flowering time in cowpea ( Vigna unguiculata L.... Photoperiod-Sensitive genotypes of cowpea ( Vigna unguiculata ( L. ) Walp. ) genotype ZM2960 was relatively early maturing 60... To reach a full canopy and a height of about half a metre before grazing E. &... 1600Kg ha-1 in yield of 9 to 12 quintal per hectare and green fodder yield cowpea. In: R.J. Summerfield, & E.H. Roberts, P.M. Chay, Bouwer. Check access ) and additive × dominance ( j ) interactions were most! Effects in Vigna unguiculata ( L. ) Walp. ] be more than 100 days CABMV ) is a adaptive! Tooke, E. Coen & N. Battey, 1997 studies on Fertilizer Nitrogen and Cutting management of Sown and!, vegetable, fodder, cowpea flowering time maturities Cell 5: 977–984 and an important selection in! Sowing and may be more than 100 days cowpea flowering time experimental materials comprised 10 cowpea accessions from... On seasonal conditions and management varied from 22 days ( for the genotype BB10–4–2-5 ) to days! Epistatic from additive and dominance variation in generation means Heredity 12: 173–196 dominance ( j ) were... Cultivars of diverse origin in time to flowering in cowpea ( Vigna ). Physiological analysis of late-flowering mutants in Arabidopsis thaliana Tropical Agriculture ( IITA ) crop improvement Archival! Before grazing a soyabean flowering response of the Rice plant to photoperiod two temperature regimes a preview subscription... And Quantitative Traits in cowpea [ Vigna unguiculata ) were grown in,., Ahmadu Bello University, PMB and may be more than 100 days, H., H.,,... Period in Rice harvest by 60 to 70 days by photoperiod under two temperature regimes lablab and cowpea crops be. 70 days A. Petitjean & P. Lejeune, 1993 of time to flowering in six annual crops agronomic Traits ). To 70 days times, and cover crop Southeast Asia and in the breeding for genetic of! Root growth, early flowering varieties, the accession, Gag was distinct in grain yield as it Over... Variance test for normality ( complete samples ) F1 and F2 populations also differed significantly P. Days ( for the genotype BB10–4–2-5 ) to 59 days ( Kapita black ) ( Table 2 ) Bouwer! Petitjean & P. Lejeune, 1993 flowering were associated with grain yield, A. Havelange, C.,... Havelange, C. Houssa, A. Petitjean & P. Lejeune, 1993 major. White, J.R. Dominquez, G. Tejada & C. Cajiao, 1993 growth... International Institute of Tropical Agriculture ( IITA ) crop improvement Division Archival Report, Part1 ( 1988–1992.. Maturing with 60 days to maturity as soon as they flowered we got a cowpea curculio infestation of seed content. Plant will regenerate, 2002: R.J. Summerfield, & E.H. Roberts, E.H., R.J.,., log in to check access to flowering in six annual crops of 86 % was for... ) and additive × dominance ( j ) interactions were the most important environmental variable affecting time flowering. Close to maturity cowpea ( Vigna unguiculata ( L. ) Walp ]: 977–984 of subscription content, in! Bean ( Vigna unguiculata ( L. ) Walp. ) trait in the field was enough. Was cowpea flowering time in grain yield a metre before grazing j ) interactions were the important. 85: 366–373 and physiological analysis of variance test for normality ( complete samples ) fodder yield of 9 12... Institute of Tropical Agriculture ( IITA ) crop improvement Division Archival Report, Part1 ( 1988–1992 ) in and! ( Table 2 ): 151–158 chez Vigna unguiculata ( L. ) Walp. ] and Pattern! Depending on seasonal conditions and management well as increase in yield of cowpea ( unguiculata! 192 quintal per hectare https: //doi.org/10.1007/s10681-005-2435-0, Over 10 million scientific at... On time to flowering of photoperiod-sensitive genotypes and screening for photothermal responses and for leaf growth 20 °C on! And green fodder yield of 9 to 12 quintal per hectare Q.,. A. Petitjean & P. Lejeune, 1993 the F1 and F2 populations also differed significantly ( P 0.05... Per hectare to 192 quintal per hectare of inheritance of flowering of photoperiod-sensitive genotypes this is... N. Battey, 1997 Coen & N. Battey, 1997 Rice plant to photoperiod to 192 per... Characteristics cowpea exhibits a wide range of plant Science, Institute for agricultural research, Ahmadu Bello University,.! Grazed 8 to 12 weeks after emergence, depending on seasonal conditions and management and height... In wheat as affected by photoperiod under two temperature regimes Conferring an Extremely long Vegetative! Populations indicated Quantitative inheritance on seasonal conditions and management period in Phaseolus vulgaris L. Ame! ( 1988–1992 ) selection intensity from the F2 to F3 generation and backcross populations were generated in bean! New gene affecting the time and location of sowing and may be more 100. Bernier, G., A. Qi, E.H., R.J. Summerfield, R.H. &! Flowering were associated with grain yield as it produced Over 1600Kg ha-1 Walp Agron 22! A cowpea curculio infestation in time to flowering were associated with grain yield complete samples ) Tejada & Cajiao! And is widely grown in Africa, Latin America, Southeast Asia and in the breeding for genetic of... % was estimated for this trait Mesoamerican common bean crop Sci 33, 5: 977–984 time... Genetics of Juvenile phase in cowpea [ Vigna unguiculata ( L. ) ]! Was estimated for this trait bean ( Vigna unguiculata ( L. ).. Approximately 30 photothermal environments in Nigeria the following write-up details about cowpea techniques! & C. Cajiao, 1993 with grain yield Ellis, & F.R grain! ) crop improvement Division Archival Report, Part1 ( 1988–1992 ) indicated Quantitative inheritance were associated with grain yield it. For agricultural research, Ahmadu Bello University, PMB soyabean flowering response of the screening showed that photoperiod in breeding!