Field Performance of Three-way Cross Yellow and White Maize Hybrids in Nepal
Mahendra Prasad Tripathi, Keshab Babu Koirala, Damodar Gautam, Subash Subedi, Jharana Upadhyay, Hari Kumar Shrestha, Abdu Rahman Beshir Issa
Asian Journal of Advances in Agricultural Research · pp. 24–33 · Published 26 Mar 2021
10.9734/ajaar/2021/v15i130144Abstract
Maize hybrids can increase production, bridge the yield gap, and boost up domestic production in Nepal. Three-way cross hybrid introduces an alternative to produce low cost hybrid seed for resource poor farmers. A study was performed to identify promising yellow and white maize hybrids developed by International Centre for Maize and Wheat Improvement (CIMMYT), Mexico in Rampur, Nepal. Nineteen three-way cross white maize hybrids with two checks and seventeen yellow maize hybrids with one check were tested in field experiments on 2017 and 2018. Treatments were replicated twice in α-lattice design with each experimental plot of 9.6-m2 (4-m × 2.4-m). AF17A-426-13/14, AF17A-426-1/2, AF17A-426-28/39, and AF17A-426-15/16 were the three-way cross white hybrids produced grain yield of more than 9000 kg ha-1. Similarly, AF17A-473-20/29 and AF17A-473-18/27 yielded about 9000 kg ha-1 among the three-way cross yellow maize hybrids. These hybrids have commercial potentials to increase maize yield in Nepal if the provided parents are successful in the seed production.
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