Search Results - "Venuprasad, R"

Response to Direct Selection for Grain Yield under Drought Stress in Rice by Venuprasad, R, Lafitte, H.R, Atlin, G.N

“…Drought is a major cause of yield loss in rain-fed rice (Oryza sativa L.), grown on over 40 million ha in Asia. The objective of this study was to evaluate the…”
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Genetic analysis of rainfed lowland rice drought tolerance under naturally-occurring stress in eastern India: Heritability and QTL effects by Kumar, R., Venuprasad, R., Atlin, G.N.

“…Drought tolerance is an important rainfed rice breeding objective, but because the heritability ( H) of yield under drought stress is thought to be low,…”
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Screening African rice (Oryza glaberrima) for tolerance to abiotic stresses: I. Fe toxicity by Sikirou, M., Shittu, A., Konaté, K.A., Maji, A.T., Ngaujah, A.S., Sanni, K.A., Ogunbayo, S.A., Akintayo, I., Saito, K., Dramé, K.N., Ahanchédé, A., Venuprasad, R.

“…Iron (Fe) toxicity is recognized as one of the most widely spread soil constraints for rice production especially in West Africa. Oryza glaberrima the…”
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large-effect QTL for rice grain yield under upland drought stress on chromosome 1 by Venuprasad, R, Bool, M. E, Quiatchon, L, Sta Cruz, M. T, Amante, M, Atlin, G. N

“…Drought is a major abiotic stress factor limiting rice production in rainfed areas. In this study we identified a large-effect quantitative trait locus (QTL)…”
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Response to two cycles of divergent selection for grain yield under drought stress in four rice breeding populations by Venuprasad, R., Sta Cruz, M.T., Amante, M., Magbanua, R., Kumar, A., Atlin, G.N.

“…Drought is a major production constraint in rainfed rice ( Oryza sativa L.). Lack of effective selection criteria is a major limitation hampering progress in…”
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QTL for rice grain yield in aerobic environments with large effects in three genetic backgrounds by Venuprasad, R, Bool, M. E, Quiatchon, L, Atlin, G. N

“…A large-effect QTL associated with grain yield in aerobic environments was identified in three genetic backgrounds, Apo/2*Swarna, Apo/2*IR72, and…”
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Rice near-isogenic-lines (NILs) contrasting for grain yield under lowland drought stress by Venuprasad, R., Impa, S.M., Gowda, R.P. Veeresh, Atlin, G.N., Serraj, R.

“…► Near-isogenic lines (NILs) are very useful in genetic and physiological investigations in crop plants. ► We report on development and characterization of…”
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Genetic loci responding to two cycles of divergent selection for grain yield under drought stress in a rice breeding population by Venuprasad, R, Bool, M. E, Dalid, C. O, Bernier, J, Kumar, A, Atlin, G. N

“…Molecular marker loci responding to selection under drought stress were monitored in a rice breeding population obtained by crossing a tolerant parent (Apo) to…”
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Identification of QTL for growth- and grain yield-related traits in rice across nine locations of Asia by HITTALMANI, Shailaja, HUANG, N, SRIVANTANEEYAKUL, S, SINGH, V. P, BAGALI, P. G, PRASANNA, H. C, MCLAREN, G, KHUSH, G. S, COURTOIS, B, VENUPRASAD, R, SHASHIDHAR, H. E, ZHUANG, J-Y, ZHENG, K.-L, LIU, G.-F, WANG, G.-C, SIDHU, J. S

“…Rice double-haploid (DH) lines of an indica and japonica cross were grown at nine different locations across four countries in Asia. Genotype-by-environment (G…”
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Inheritance of traits associated with seed size in groundnut (Arachis hypogaea L.) by Venuprasad, R., Aruna, R., Nigam, S. N.

“…Inheritance of groundnut ( Arachis hypogaea L.) seed traits particularly seed weight, seed length, seed width and length:width ratio was explored in this…”
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Tagging quantitative trait loci associated with grain yield and root morphological traits in rice (Oryza sativa L.) under contrasting moisture regimes by VENUPRASAD, R, SHASHIDHAR, H. E, HITTALMANI, S, HEMAMALINI, G. S

“…Plant breeding for drought-prone habitats envisages a favorable combination of grain yield and drought resistance. Though several components enhancing drought…”
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Identification of near-isogenic lines: an innovative approach, validated for root and shoot morphological characters in a mapping population of rice (Oryza sativa L.) by Prabuddha, H. R, Manjunatha, K, Venuprasad, R, Vinod, M. S, Jureifa, J. H, Shashidhar, H. E

“…Near-isogenic lines (NILs) constitute valuable tools in genetic investigations and plant breeding programs. Conventional methods for developing these are time…”
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Screening African Rice (Oryza glaberrima) for Tolerance to Abiotic Stresses: II. Lowland Drought by Shaibu, A. A., Uguru, M. I., Sow, M., Maji, A. T., Ndjiondjop, M. N., Venuprasad, R.

“…ABSTRACT Drought is a major constraint to rice (Oryza spp.) production in sub‐Saharan Africa. Oryza glaberrima Steud., the cultivated rice species that…”
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Screening African rice (Oryza glaberrima) for tolerance to abiotic stresses: I. Fe toxicity by Sikirou, M, A. Shittu, K.A. KonatÃ, A.T. Maji, A.S. Ngaujah, K.A. Sanni, S.A. Ogunbayo, I. Akintayo, K. Saito, K.N. DramÃ, A. AhanchédÃ, R. Venuprasad

“…Iron (Fe) toxicity is recognized as one of the most widely spread soil constraints for rice production especially in West Africa. Oryza glaberrima the…”
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