National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
A field experiment was conducted in research farm of Wheat Research Unit, Dr. PDKV, Akola (M.S.), during rabi season of 2016-17 and 2017-18 with 9 wheat genotypes viz., AKAW 5023, AKAW 4927, PBN 4905, PBN 4751-02, NIAW 3523, NIAW 2891, AKAW 4210-6 (C), NIAW 34 (C), NIAW 1994 (C) and sown on late (December 1-10) irrigated condition in a randomized block design with three replications to evaluate the performance of these genotypes under late sown (irrigated) heat stress condition to find out the suitable heat tolerance genotypes for Vidharbha condition. Under late sown conditions yield attributes, spike length (cm), no. of grains/spike, rate of grain filling (mg m-2 GDD-1), grain growth duration (days), 1000 grain weight (g), grain yield/ha (q) and harvest index (%) were observed. On pooled basis significantly higher yield recorded by genotype NIAW 2891 followed by NIAW 3523 over best check AKAW 4210-6 and other genotypes during both the year of sowing and noted as heat tolerance genotypes. Rate of grain filling (0.987**), 1000 grains weight (0.762**) and harvest index (0.719**) showed positive and significant correlation with grain yield.
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