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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Yield of photoperiod-sensitive sorghum hybrids based on Guinea-race germplasm under farmers' field conditions in Mali
Crop Science, Volume 53, No. 6, Year 2013
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Description
The first sorghum [Sorghum bicolor (L.)Moench] hybrids based on West African Guinea-racederived parents were created to enhance farmer's food security and income through increased yields. To assess their performance, eight hybrids, six experimental pure-line cultivars, one pure-line check (Lata), and a highly adapted landrace cultivar (Tieble) were evaluated in 27 farmer-managed and two on-station yield trials in Mali, West Africa, from 2009 to 2011. The hybrids were confirmed to have photoperiod sensitivity similar to the well-adapted Guinea landrace check cultivar. Genotypic differences for on-farm grain yield were highly significant and genotype × environment crossover interactions were limited. The yield superiorities of individual hybrids, relative to the landrace check, ranged from 17 to 37% over the 27 on-farm trials. The three top yielding hybrids showed 30% yield advantages across productivity levels, with absolute yield advantages averaging 380 kg ha-1 under lower (1.0-1.5 t ha-1) and 660 kg ha-1 under higher (2.0-3.5 t ha-1) productivity conditions. A mean male-parent (better parent) heterosis of 26% was observed for the four hybrids having Lata as a male parent. As the hybrids studied here were obtained with a low intensity of selection using a limited number of parents, even greater yield superiorities may be attained with development of distinct parental pools and scaled-up hybrid breeding. © Crop Science Society of America.
Authors & Co-Authors
Rattunde, Henry Frederick W.
Mali, Bamako
International Crops Research Institute for the Semi-arid Tropics
Weltzien, Eva R.
Mali, Bamako
International Crops Research Institute for the Semi-arid Tropics
Diallo, Bocar
Mali, Bamako
Institut D'economie Rurale Mali
Diallo, A. G.
Mali, Bamako
Institut D'economie Rurale Mali
Sidibe, Mamourou
Mali, Bamako
International Crops Research Institute for the Semi-arid Tropics
Toure, A. O.
Mali, Bamako
Institut D'economie Rurale Mali
Rathore, Abhishek Singh
India, Patancheru
International Crops Research Institute for the Semi-arid Tropics
Das, Roma Rani
India, Patancheru
International Crops Research Institute for the Semi-arid Tropics
Leiser, Willmar Lukas
Mali, Bamako
International Crops Research Institute for the Semi-arid Tropics
Germany, Stuttgart
Universität Hohenheim
Toure, Aboubacar
Ghana, Accra
Council for Scientific and Industrial Research Ghana
Statistics
Citations: 50
Authors: 10
Affiliations: 5
Identifiers
Doi:
10.2135/cropsci2013.03.0182
ISSN:
0011183X
e-ISSN:
14350653
Research Areas
Food Security
Genetics And Genomics
Study Locations
Multi-countries
Guinea
Mali
Participants Gender
Male