Person: Vivek, B.
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Vivek
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B.
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Vivek, B.
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0000-0002-2492-6751 32 results
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- Exploring metabolomics to innovate management approaches for fall armyworm (Spodoptera frugiperda [J.E. Smith]) infestation in maize (Zea mays L.)(MDPI, 2024) Desika, J.; Kalenahalli, Y.; Sundararajan Juliet Hepziba; Patne, N.; Vivek, B.; Ravikesavan, R.; Nair, S.K.; Jaba, J.; Thurapmohideen Abdul Razak; Srinivasan, S.; Shettigar, N.
Publication - Maternal effects, reciprocal differences and combining ability study for yield and its component traits in maize (Zea mays L.) through modified diallel analysis(PeerJ Inc., 2024) Bonipas Antony John; Kachapur, R.M.; Naidu, G.K.; Talekar, S.C.; Rashid, Z.; Vivek, B.; Patne, N.; Shiddappa Ramappa Salakinkop; Prema Gu
Publication - Genetic trends in CIMMYT’s tropical maize breeding pipelines(Nature Publishing Group, 2022) Prasanna, B.M.; Burgueño, J.; Beyene, Y.; Makumbi, D.; Asea, G.; Woyengo, V.; Tarekegne, A.T.; Magorokosho, C.; Dagne Wegary Gissa; Ndhlela, T.; Zaman-Allah, M.; Matova, P.M.; Mwansa, K.; Mashingaidze, K.; Fato, P.; Chere, A.T.; Vivek, B.; Zaidi, P.; Vinayan, M.T.; Nagesh, P.; Rakshit, S.; Kumar, R.; Jat, S.L.; Singh, S.B.; Kuchanur, P.; Lohithaswa, H.C.; Singh, N.K.; Koirala, K.B.; Ahmed, S.; San Vicente Garcia, F.M.; Dhliwayo, T.; Cairns, J.E.
Publication - Contribution of root system architecture and function in the performance of tropical maize (Zea mays L.) genotypes under different moisture regimes(Southern Cross Journals, 2022) Zaidi, P.; Seetharam, K.; Vinayan, M.T.; Rashid, Z.; Krishnamurthy, L.; Vivek, B.
Publication - CIMMYT Maize DH Facilities & DH Line Development Service to Partners(CIMMYT, 2021) Prasanna, B.M.; Vivek, B.; Chaikam, V.
Publication - Beat the stress: breeding for climate resilience in maize for the tropical rainfed environments(Springer, 2021) Prasanna, B.M.; Cairns, J.E.; Zaidi, P.; Beyene, Y.; Makumbi, D.; Gowda, M.; Magorokosho, C.; Zaman-Allah, M.; Olsen, M.; Das Aparna; Regasa, M.W.; Gethi, J.; Vivek, B.; Nair, S.K.; Rashid, Z.; Vinayan, M.T.; Issa, A.B.; San Vicente Garcia, F.M.; Dhliwayo, T.; Xuecai Zhang
Publication - Stress-resilient maize for climate-vulnerable ecologies in the Asian tropics(Southern Cross Publishing, 2020) Zaidi, P.; Nguyen, T.; Dang Ngoc Ha; Thaitad, S.; Ahmed, S.; Arshad, M.; Koirala, K.B.; Rijal, T.R.; Kuchanur, P.; Patil, A.; Mandal, S.S.; Kumar, R.; Singh, S.B.; Bhupender Kumar; Shahi, J.P.; Patel, M.B.; Gumma, M.K.; Pandey, K.; Chaurasia, R.; Haque, A.; Seetharam, K.; Das, R.R.; Vinayan, M.T.; Rashid, Z.; Nair, S.K.; Vivek, B.
Publication - Genome-wide association studies in tropical maize germplasm reveal novel and known genomic regions for resistance to Northern corn leaf blight(Nature Publishing Group, 2020) Rashid, Z.; Sofi, M.; Harlapur, S.I.; Kachapur, R.M.; Dar, Z.A.; Singh, P.K.; Zaidi, P.; Vivek, B.; Nair, S.K.
Publication - Molecular breeding for nutritionally enriched maize: status and prospects(Frontiers, 2020) Prasanna, B.M.; Palacios-Rojas, N.; Hossain, F.; Muthusamy, V.; Menkir, A.; Dhliwayo, T.; Ndhlela, T.; San Vicente Garcia, F.M.; Nair, S.K.; Vivek, B.; Xuecai Zhang; Olsen, M.; Fan, X.M.
Publication - Gains in maize genetic improvement in Eastern and Southern Africa: II. CIMMYT open-pollinated variety breeding pipeline(Crop Science Society of America (CSSA), 2017) Masuka, B.; Magorokosho, C.; Olsen, M.; Atlin, G.; Banziger, M.; Pixley, K.V.; Vivek, B.; Labuschagne, M.; Matemba-Mutasa, R.; Burgueño, J.; MacRobert, J.; Prasanna, B.M.; Das, B.; Makumbi, D.; Tarekegne, A.T.; Crossa, J.; Zaman-Allah, M.; Biljon, A.; Cairns, J.E.Open-pollinated varieties (OP Vs) still represent a significant proportion of the maize (Zea mays L.) seed system in many countries of sub- Saharan Africa. The International Maize and Wheat Improvement Centre (CIMMYT) has been breeding improved maize varieties for the stress-prone environments experienced by most smallholder farmers in eastern and southern Africa for over 30 yr. Hybrid breeding is now the major focus of the CIMMYT breeding pipeline. However, OP Vs are generated within the hybrid pipeline. This is the first study to document genetic gain for maize grain yield under both optimal and stress (random and managed drought, low nitrogen [N], and maize streak virus [MSV]) conditions within the CIMMYT eastern and southern African OP V breeding pipeline. Genetic gain was estimated using the slope of the regression on the year of OP V release in regional trials over a 12-yr period (1999–2011). Open-pollinated varieties were separated into two maturity groups, early (<70 d to anthesis) and intermediate-late (>70 d to anthesis). Genetic gain in the early maturity group under optimal conditions, random drought, low N, and MSV was 109.9, 29.2, 84.8, and 192.9 kg ha−1 yr−1. In the intermediate-late maturity group, genetic gain under optimal conditions, random drought, low N, and MSV was 79.1, 42.3, 53.0 and 108.7 kg ha−1 yr−1. No significant yield gains were made under managed drought stress for both maturity groups. Our results show continued improvement in OP Vs for both yield potential and stress tolerance.
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