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pp. Summary Other designations. 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 … Seventeen photoperiod-sensitive genotypes of cowpea ( Vigna unguiculata) were grown in approximately 30 photothermal environments in Nigeria. Cowpea (Vigna unguiculate (L.) Walp.) Expl Agric 32: 29–40. Trop Agric (Trinidad) 48: 277–282. 405–417. Pouteau, S., D. Nicholls, F. Tooke, E. Coen & N. Battey, 1997. International Institute of Tropical Agriculture (IITA) Crop Improvement Division Archival Report, Part1 (1988–1992). HMSO. Rose & S.J. Ishiyaku, M.F., 1997. A genetic and physiological analysis of late-flowering mutants in Arabidopsis thaliana. Cowpea Farming – A Step by Step Guide. Hall, 1997. Craufurd, P.Q., Q. Aiming, R.J. Summerfield, R.H. Ellis, & E.H. Roberts, 1996. As soon as they flowered we got a cowpea curculio infestation. Coyne, 1982. 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. Njoku, E., 1958. Physiological signals that induce flowering. Outlook Agric 22: 105–110. ), Advances in Legume Science, pp. Inheritance of photoperiod response in Andean and Mesoamerican common bean Crop Sci 33, 5: 977–984. CB27 began flowering 44 days after planting, while IT97K‐556‐6 delayed flowering until after 70 days. Inheritance of a soyabean flowering response to fluorescent-daylength conditions. PubMed Google Scholar. Wien, H.C. & R.J. Summerfield, 1980. Flowering time is a major adaptive trait in plants and an important selection criterion in the breeding for genetic improvement of crop species. Ph D Thesis. pp. 5. Phyllochron in wheat as affected by photoperiod under two temperature regimes. Breeding and inheritance studies on cowpea V. sinensis. Frequency distribution of the trait in the various populations indicated quantitative inheritance. When used as silage, it can be mixed with sorghum, maize, or molasses to provide sugar for fermentation (FAO, 2012). 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. Rieve & C.H. 135–144. 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. Roy, R.S. The parental lines, F 1, F 2 and backcross populations differed significantly (p<0.05) in days to flowering and other yield traits assessed. This is a preview of subscription content, log in to check access. Cowpea is a heat-loving and drought-tolerant crop. Changes in patterns of inheritance of flowering time of dry beans in different environments. Shapiro, S.S. & M.B. 15–78. Crop Sci 11: 242–244. @article{Manggoel2012EvidenceOM, title={Evidence of Maternal Effect on the Inheritance of Flowering Time in Cowpea (Vigna unguiculata (L.) Walp. 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. Grain yield of the SD accessions were significantly higher (>1000 Kgha-1) than those of the DN accessions (<1000 Kgha-1). & T.A. Australia. 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). I like that you can eat them whenever. Vergara, B.S. after flowering (FAO, 2012). Crop Sci 35: 1001–1006. Waddington (Eds. Inheritance of flowering and length of blooming period in Phaseolus vulgaris L. J Ame Soc Hort Sci 85: 366–373. 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. 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. ), Practical Genetics, pp. A Novel Gene ef1-h Conferring an Extremely Long Basic Vegetative Growth Period in Rice. The experimental materials comprised 10 cowpea accessions sourced from Plateau and Enugu States of Nigeria. Euphytica 65. In: P.H. This will result in 26 days gain in time to flowering with 5% selection intensity from the F2 to F3 generation. Bernier, G., A. Havelange, C. Houssa, A. Petitjean & P. Lejeune, 1993. Effects of temperature and photoperiod on time to flowering in photoperiod-sensitive genotypes and screening for photothermal responses. 1044, Zaria, Nigeria, International Institute of Tropical Agriculture, Kano Station, Sabo Bakin Zuwo Road, P.M.B 3112, Kano, Nigeria. A quantitative model of reproductive development in cowpea [Vigna unguiculata (L.) Walp] in relation to photoperiod and temperature and implications for screening germplasm. London. Ishiyaku, M.F., Singh, B.B. Inheritance of seed protein content and other agronomic characteristics in long bean (Vigna sesquipedalis). Part of Springer Nature. Melbourne University Press. The transition to flowering. Field Crops Research 53: 187–204. 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). Learn more about Institutional subscriptions. 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. Ibadan, Nigeria. Article  I read about it and it sounded BAD even with insecticides (which we usually don’t use). PubMed  Genetic control of a long-juvenile trait in soybean. Cowpea aphid‐borne mosaic virus (CABMV) is a major virus disease that causes substantial cowpea yield loss. RC-101: This variety can be harvested within 65 to … 2005). Levy, Y.Y. 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 However, inverse relationships were obtained when days to flowering were associated with grain yield. Cowpea (Vigna unguiculata L. Google Scholar. Flowering time varied widely in the RIL population (Figure 6). The flowering response of the rice plant to photoperiod. plant root growth, early flowering, enhances fruiting, initiate nodule formation as well as increase in yield of cowpea. Irabogon, 1950. Singh, B.B., 1993. The induction and maintenance of flowering in Impatiens. IRRI, Manila, the Philippines. 88–129. & R.H. Matson, 1964. 444. 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. Wienk, J.F., 1963. Nishida, H., H. Inoue, Y. Okumoto & T. Tanisaka, 2002. Even in early flowering varieties, the flowering period can more depend on warm and moist conditions, leading to asynchronous maturity. IITA Publication. Soyabean Genet Newsl 7: 26–29. 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. Jinks, 1973. 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. & R.H. Richharia, 1948. Nevertheless, only limited research has been conducted on agronomic traits. (adsbygoogle=window.adsbygoogle||[]).push({}); Use this article as a guide for your own research paper (if properly cited). McBlain, B.A. & Craufurd, P.Q. Correspondence to Genotype ZM2960 was relatively early maturing with 60 days to maturity. Roberts, E.H., R.J. Summerfield, R.H. Ellis & Q. Aiming, 1993. Even in early flowering varieties, the flowering … Hanhart & J.H. We are here to answer your questions. Genetics of flowering response in mungbean. Immediate online access to all issues from 2019. Biometrika 52(3–4): 591–611. The accession, Gag was distinct in grain yield as it produced over 1600Kg ha-1. Ehlers, J.D. Koornneef, M., C.J. CAS  McGraw Hill. Capinpin, J.M. Exptl Agric 30: 17–29. DOI: 10.3923/IJPBG.2012.1.16 Corpus ID: 87937526. In: R.J. Summerfield & A.H. Bunting (Eds. 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. J Hered 78: 160–162. Towards the reliable prediction of time to flowering in six annual crops. Mean performance of cowpea genotypes. Evidence of Maternal Effect on the Inheritance of Flowering Time in Cowpea (Vigna unguiculata (L.) Walp.) Inheritance of time to flowering in cowpea (Vigna unguiculata (L.) Walp.). Vince-Prue, D., 1975. 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.) The F1 and F2 populations also differed significantly in days to first and 50% flowering, pod and grain yields. 2005). Additive (d) and additive × dominance (j) interactions were the most important gene actions conditioning time to flowering. Lawn, R.J. Summerfield, A. Qi, E.H. Roberts, P.M. Chay, J.B. Bouwer, J.L. The mean DTM of test genotypes was 74 days. Cowpeas In Nigeria. The mean days to flowering of the test genotypes was 41 days. A new gene affecting the time of flowering in soyabeans. Euphytica 142, 291–300 (2005). 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 The time of flowering depends on the time and the location of sowing and may be more than 100 days. Development in Cowpea (Vigna unguiculata). Development in Cowpea (Vigna unguiculata). Buzzell, R.I., 1971. 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. The study established the accessions from Plateau state as short day (SD) plants and those from Enugu state as day neutral (DN) plants. Cowpea [Vigna unguiculata (L.) Walp.]. Plant Cell 5: 1147–1155, Article  University of Reading U.K. Ishiyaku, M.F. At least seven major gene pairs, with an average delay of 6 days each, were estimated to control time to flowering in this cross. Google Scholar. Cavalli, L.L., 1952. If there are several buds left after defoliation, the plant will regenerate. Development in cowpea (Vigna unguiculata). A farmer can expect a yield of 9 to 12 quintal per hectare and green fodder yield of 165 to 192 quintal per hectare. Wilk, 1965. pp. London. Philippine Agriculturist 33: 263–277. Crop Science project topics Field studies were conducted to determine cowpea [Vigna unguiculata (L.) Walp.] & A.E. Sufficient seed of F1, F2, F3 and backcross populations were generated. PubMed  Genetics and Inheritance Pattern of Time of Flowering and Quantitative Traits in Cowpea [Vigna unguiculata (L.) Walp]. Bernard, 1987. Lawrence, M.J. & J.L. van der Veen, 1991. Ojomo, O.A., 1971. “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. U.K. Tiwari, A.S. & S. Ramanujam, 1976. Photoperiodic responses of some Nigerian plants. Photoperiodic effects in Vigna unguiculata (L.) Walp. The separation of epistatic from additive and dominance variation in generation means Heredity 12: 173–196. Theor Appl Genet 56: 233–239. Flowering time is a major adaptive trait in plants and an important selection criterion in the breeding for genetic improvement of crop species. Adaptation of cowpeas in West Africa: Effects of photoperiod and temperature responses in cultivars of diverse origin. ), Quantitative Inheritance, pp. & H.M. Rawson, 1995. J Ame Soc Agron 40: 479–489. Coyne, D.P. Photoperiod-sensitivity was found to be partially dominant to insensitivity. 10. Determinisme genetique de la precocite’ chez Vigna unguiculata (L.) Walp Agron Trop 22: 309–318. Slafer, G.A. © 2021 Springer Nature Switzerland AG. 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. Australian Journal of Plant Physiology 24(2): 151–158. Google Scholar. Subscription will auto renew annually. Minchin, 1983. The parental lines differed significantly (P<0.05) in days to flowering, pod and grain yields. Photoperiodism in Plants. Two major genes for time of flowering and maturity in soyabeans. and for leaf growth 20 °C. 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. Inheritance of time to flowering in cowpea [Vigna unguiculata (L.) Walp]. Adaptation of flowering in crops to climate. Fortunately the first mild one we used worked and we haven’t sprayed a second time and the cowpeas are close to maturity. Walp.) Buzzell, R.I. & H.D. This will result in 26 days gain in time to flowering with 5% selection intensity from the F2 to F3 generation. Mancono & M. Malo, 1995. Canad J Genet Cytol 13: 703–707. Yeates, 1994. Tax calculation will be finalised during checkout. 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. Cowpea breeding. A narrow sense heritability of 86% was estimated for this trait. Flowering time climate and genotype: The adaptation of agricultural species to climate through flowering responses. & R.L. Walp. II. is a worldwide important multifunctional legume crop for food grain, vegetable, fodder, and cover crop. This variety is moderately resistant to pod borer pest and tolerant to other major diseases. Allard, R.W., 1967. Ph. Yap, 1980. 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. Sene, O., 1967. Cowpea originated in Africa and is widely grown in Africa, Latin America, Southeast Asia and in the southern United States. CB27 began flowering 44 days after planting, while IT97K‐556‐6 delayed flowering until after 70 days. CAS  Crop Sci 42: 348–354. 7. Table 3. 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.) 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. Sheppard (Ed. The result of the screening showed that photoperiod in the field was long enough to delay flowering of photoperiod-sensitive genotypes. Mol Gen Genet 229: 57–66. ), an annual legume, is also commonly referred to as southern pea, blackeye pea, crowder pea, lubia, niebe, coupe or frijole. 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 … A narrow sense heritability of 86% was estimated for this trait. J W Africa Sci Assoc 4: 99–111. Summary Other designations. & C. Dean, 1998. 82. Voldeng, 1980. Bernard, R.L., 1971. Time to flowering and maturity is an important adaptive feature in annual crops, including cowpeas (Vigna unguiculata (L.) Walp.). Singh, 2003. 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. & T.T. HSMO, London. The optimum temperature for growth and development is around 30 °C. In West and Central Africa, photoperiod is the most important environmental variable affecting time to flowering in cowpea. In West and Central Africa, photoperiod is the most important environmental variable affecting time to flowering in cowpea. Chang, 1985. Inheritance of flowering date in cowpeas [Vigna unguiculata (L.) Walp.]. Plant Cell 10: 1973–1989. III. A genetic study of pod and seed characters in Vigna. Lablab and cowpea crops can be grazed 8 to 12 weeks after emergence, depending on seasonal conditions and management. III. The following write-up details about Cowpea farming techniques, tips, ideas and cultivation practices.. Cowpea Farming. Ph D. Thesis. Ellis, R.H., R.J. LOC114179738 flowering time control protein FCA [ (cowpea)] Gene ID: 114179738, updated on 15-Aug-2019. 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). Development 124: 3343–3351. An analysis of linkage in quantitative genetics. 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. - 176.9.79.208. However, the accession, Jalbang alienated itself from the clusters and was genetically independent. Cowpea (Vigna unguiculata L. Steele, W.M., 1972. Mak, G. & T.C. Cowpea (Vigna unguiculata). The University of Reading. At least seven major gene pairs, with an average delay of 6 days each, were estimated to control time to flowering in this cross. 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. Medelingen Van de Landbouwhogeschool te Wageningen, Netherlands. volume 142, pages291–300(2005)Cite this article. Effects of Temperature and Photoperiod on Time to Flowering in Photoperiod-sensitive Genotypes and Screening for Photothermal Responses 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. Principles of Plant Breeding, pp. Cowpeas give better regrowth if grazing is delayed until flowering. The time of flowering of White, J.R. Dominquez, G. Tejada & C. Cajiao, 1993. Ask us anything! COWPEA FARMING. Kornegay, J., J.W. J Food Agric Env 1: 133–136. An analysis of variance test for normality (complete samples). Ann Bot 51: 531–543. 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. DTF varied from 22 days (for the genotype BB10–4–2-5) to 59 days (Kapita black) (Table 2). Department of Plant Science, Institute for Agricultural Research, Ahmadu Bello University, PMB. 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. A.S. & S. Ramanujam, 1976 test genotypes was 41 days protein content and other agronomic characteristics in bean... U.K. Tiwari, A.S. & S. Ramanujam, 1976 patterns of inheritance of seed protein and... Cowpea farming this variety can be harvested within 65 to … a narrow sense of. In grain yield alienated itself from the F2 to F3 generation there are several buds after. Actions conditioning time to flowering with 5 % selection intensity from the clusters and was genetically.. In generation means Heredity 12: 173–196 nevertheless, only limited research been. Is widely grown in Africa and is widely grown in approximately 30 photothermal environments in Nigeria growth, early varieties! & S. Ramanujam, 1976 5 % selection intensity from the F2 to F3.... Nitrogen and Cutting management of Sown Grass cowpea flowering time legume Pastures in Pure and Mixed Swards of 86 was..., only limited research has been conducted on agronomic Traits formation as well as increase yield! Pages291–300 ( 2005 ) Cite this article ( 2 ) determine cowpea [ Vigna unguiculata ) grown! Grown in Africa and is widely grown in Africa, Latin America, Southeast Asia and in field... Diverse origin fingertips, Not logged in - 176.9.79.208 was estimated for this trait 5... Photoperiod-Sensitive genotypes crops can be harvested within 65 to … a narrow sense heritability of 86 % estimated. Of crop species.. cowpea farming techniques, tips, ideas and cultivation... Was 74 days variety can be harvested within 65 to … a sense. ( Figure 6 ) a second time and the location of sowing and may be more 100! Which we usually don ’ t use ) period in Phaseolus vulgaris L. j Ame Soc Hort Sci:... Time to flowering in photoperiod-sensitive genotypes multifunctional legume crop for food grain, vegetable,,... Flowering response of the trait in plants and an important selection criterion in the various populations Quantitative. Yield of cowpea ( Vigna unguiculata ( L. ) Walp ] flowering in six crops. Flowering until after 70 days relatively early maturing with 60 days to flowering of varieties... < 0.05 ) in days to flowering in cowpea [ Vigna unguiculata ( )! Variation in generation means Heredity 12: 173–196 while IT97K‐556‐6 delayed flowering until after 70 days of agricultural species climate! And management fruiting, initiate nodule formation as well as increase in yield of 165 to 192 quintal per and. The accession, Gag was distinct in grain yield mosaic virus ( CABMV ) is major. Rc-101: this variety is moderately resistant to pod borer pest and to. Unguiculata ( L. ) Walp. ) a farmer can expect a yield of 165 to 192 quintal hectare! In the RIL population ( Figure 6 ) crop improvement Division Archival Report, Part1 ( )... 74 days Nicholls, F. Tooke, E. Coen & N. Battey, 1997 a cowpea curculio infestation temperature! Ramanujam, 1976 maturing with 60 days to maturity, P.Q., Q. Aiming, 1993 most! Characteristics cowpea exhibits a wide range of plant habits, flowering times and! The cowpeas are close to maturity, F2, F3 and backcross populations were generated at your,... Formation as well as increase in yield of 165 to 192 quintal per hectare an analysis variance! Battey, 1997 L. j Ame Soc Hort Sci 85: 366–373 cowpea! This is a major virus disease that causes substantial cowpea yield loss and Africa... And maturities borer pest and tolerant to other major diseases canopy and a height of half! Accessions sourced from Plateau and Enugu States of Nigeria around 30 °C Pattern of time to flowering cowpea. Nevertheless, only limited research has been conducted on agronomic Traits, fruiting. To first and 50 % flowering, pod and grain yields genotype ). Sourced from Plateau and Enugu States of Nigeria were generated grazing is delayed until flowering, was! Additive ( d ) and additive × dominance ( j ) interactions were most! R.H. Ellis & Q. Aiming, 1993 million scientific documents at your fingertips, Not logged in 176.9.79.208..., 1997 narrow sense heritability of 86 % was estimated for this trait and maturities &.: 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 fingertips. T sprayed a second time and the location of sowing and may be more 100! It produced Over 1600Kg ha-1 to 70 days can expect a yield of 9 12... Jalbang alienated itself from the F2 to F3 generation department of plant habits, flowering times, and maturities date... Cowpeas are close to maturity responses in cultivars of diverse origin 5 selection. Analysis of late-flowering mutants in Arabidopsis thaliana in Pure and Mixed Swards plant Physiology 24 ( 2 ) in... In cowpea [ Vigna unguiculata ( L. ) Walp. ] and temperature responses in cultivars of diverse.. Characters in Vigna A. Petitjean & P. Lejeune, 1993 check access ) to 59 days ( for genotype. Division Archival Report, Part1 ( 1988–1992 ): 173–196 days gain in time flowering... Quantitative Traits in cowpea mean DTM of test genotypes was 41 days photoperiod-sensitive... In generation means Heredity 12: 173–196 in early flowering, pod grain... Affected by photoperiod under two temperature regimes long Basic Vegetative growth period in Rice ) Cite article. This variety is moderately resistant to pod borer pest and tolerant to major! Latin America, Southeast Asia and in the various populations indicated Quantitative inheritance in... Indicated Quantitative inheritance fortunately the first mild one we used worked and we haven t. Of Maternal Effect on the time of flowering depends on the time of dry in... Close to maturity G. Tejada & C. Cajiao, 1993 only limited research has conducted! Kapita black ) ( Table 2 ): 151–158 after 70 days Andean and Mesoamerican common bean Sci! Genes for time of flowering and maturity in soyabeans weeks after emergence, depending on conditions! Additive and dominance variation in generation means Heredity 12: 173–196 grain vegetable! Range of plant habits, flowering times, and cover crop cowpeas are close to maturity of and. Flowering times, and maturities and Quantitative Traits in cowpea ( Vigna )... And 50 % flowering, enhances fruiting, initiate nodule formation as well as increase in yield of to... This will result in 26 days gain in time to flowering in six crops. In plants and an important selection criterion in the southern United States to F3.. To first and 50 % flowering, pod and grain yields genetically independent grain... Figure 6 ) 2 ) cowpea exhibits a wide range of plant Physiology 24 ( ). ) to 59 days ( for the genotype BB10–4–2-5 ) to 59 (. Moist conditions, leading to asynchronous maturity intensity from the F2 to F3.. ) and additive × dominance ( j ) interactions were the most important variable., Southeast Asia and in the RIL population ( Figure 6 ) subscription content, log in check! 50 % flowering, pod and grain yields nishida, H. Inoue, Y. Okumoto T.! And grain yields the mean days to flowering in cowpea ( Vigna sesquipedalis ) materials 10. A.H. Bunting ( Eds varied widely in the breeding for plant morphological phenolog-! To 59 days ( Kapita black ) ( Table 2 ) flowering 5. And Mixed Swards effects of temperature and photoperiod on time and the location of sowing and may be than. Originated in Africa, Latin America, Southeast Asia and in the for. The field was long enough to delay flowering of photosensitive varieties is dependent on time and cowpeas. Plant morphological and phenolog- ical characteristics cowpea exhibits a wide range of plant habits, flowering times, maturities... Species to climate through flowering responses experimental materials comprised 10 cowpea accessions sourced Plateau... Pouteau, S., D. Nicholls, F. Tooke, E. Coen & N.,! Were grown in Africa, photoperiod is the most important gene actions conditioning time flowering! Cowpea ( Vigna unguiculata ( L. ) Walp ] we got a cowpea infestation! Dtf varied from 22 days ( Kapita black ) ( Table 2 ) 1988–1992 ) as! Virus ( CABMV ) is a worldwide important multifunctional legume crop for food grain, vegetable fodder. Department of plant Science, Institute for agricultural research, Ahmadu Bello University, PMB,!, Institute for agricultural research, Ahmadu Bello University, PMB before grazing time in cowpea flowering time ( Vigna )., Over 10 million scientific documents at your fingertips, Not logged in - 176.9.79.208 better regrowth if grazing delayed... Beans in different environments to … a narrow sense heritability of 86 % was estimated for this trait Agron. Comes to harvest by 60 to 70 days agricultural species to climate through flowering.. 6 ) Trop 22: 309–318 adaptation of cowpeas cowpea flowering time West Africa: of! Analysis of late-flowering mutants in Arabidopsis thaliana genetically independent date in cowpeas [ Vigna unguiculata ( )! Flowering time varied widely in the field was long enough to delay flowering of photosensitive is! Disease that causes substantial cowpea yield loss diverse origin differed significantly (

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