Dry matter accumulation at pre and post anthesis and yielcl of wheat (Triticum aestivum) as affected by temperature stress and genotypes
DOI:
https://doi.org/10.59797/ija.v48i4.3097Keywords:
Temperature stress, Sowing time, Genotypes, Dry matter accumulation, Different plant parts, Grain and Biological yieldAbstract
A field experiment was carried out during 2000 2001 and 2001 2002 to study the effect of sowing time and genotypes on biomass accumulation and yield in wheat (Triticum aestivum L. emend. Fiori Paol.) at Pantnagar, Uttaranchal. Normal sown crop (22 November) accumulated significantly higher dry matter in different plant parts and yielded higher than late sown crop (22 December). Leaf dry weight increased up to 10 days after anthesis and declined thereafter, whereas stem, spike and total dry weight increased up to maturity without showing any de creasing pattern. The highest spike dry weight at all the sfages was recorded in UP 2425 , whereas WH 542 had minimum spike dry weight. At maturity, the highest total dry weight was recorded in PBW 343 during both the years. Variety PBW 343 performed better and WH 542 yielded lower than other varieties under normal sown con dition, while UP 2425 followed by UP 2338 was highest grain producing variety in December sown crop.References
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