Yield dynamics studies of wheat (Triticum aestivum L.) under different sowing dates
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Date
2022
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Punjab Agricultural University
Abstract
A Field experiment entitled Yield dynamics studies of wheat (Triticum aestivum L.) under different sowing dates" was conducted at two locations i.e., the Research farm, Department of Plant Breeding and Genetics, Punjab Agricultural University, Ludhiana and PAU Regional Research Station, Gurdaspur during the year 2020-21. The experiment was laid out in split plot design with combination of three sowing dates (November 10, November 30 and December 20) in the main plot and eight varieties (DBW 187, Unnat PBW 550, PBW 771, PW 824, PBW 752, PBW 725, HD 3226 and HD 3086) in sub plots, using three replications. At both the locations, November 10 sown crop recorded higher emergence count, dry matter accumulation, higher ear length, 1000-grain weight, number of grains per ear, grain yield, straw yield and biological yield. However, plant height, tiller density, chlorophyll content and effective tillers were statistically similar in November 10h and November 30 sown crop. Protein content and nitrogen content was higher in December 20 sowing but protein yield, grain hardiness, hectolitre weight and grain appearance score were higher in November 10" SOwn crop. PBW 824 and DBW 187 recorded higher effective tiller, ear length and 1000- grain weight at both the locations. PBW 824 recorded significantly higher grain yield as Compared to HD 3226 and HD 3086 at both the Jocations. DBW 187, PBW 824 and HD 3086 las nigher grain appearance score. Wheat crop can be sown under normal date of sowing for nigher grain yield, PBW 824 perform better in timely sowing and PBW 752 and PBW 771 perform better in late sowing.
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Bhavjit Singh (2022). Yield dynamics studies of wheat (Triticum aestivum L.) under different sowing dates (Unpublished M.Sc. thesis). Punjab Agricultural University, Ludhiana, Punjab, India.