Performance of some advanced spring wheat lines under optimum and late sown conditions in different regions of Bangladesh

Journal Title: Journal of Multidisciplinary Sciences - Year 2019, Vol 1, Issue 1

Abstract

Eleven advanced lines of spring wheat along with check varieties BARI Gom 21, BARI Gom 26 and BARI Gom 32 were evaluated at Bangladesh Wheat and Maize Research Institute (BWMRI), Dinajpur; Regional Wheat Research Center (RWRC) Gazipur; Regional Agricultural Research Station (RARS), Bangladesh Agricultural Research Institute (BARI), Jashore; RWRC, Rajshahi and RARS, BARI, Jamalpur in randomized complete block design (RCBD) with three replications during, November, 2017 to March, 2018. The trial was conducted under irrigated timely sown (ITS) and irrigated late sown (ILS) conditions. The genotypes were evaluated for yield and yield components, heading, maturity, disease reaction, etc. The effect of sowing time, location and genotype and their different interaction levels were significant for most of the traits. Wheat yield was significantly reduced in ILS condition as compared to the ITS condition. Regarding location, Dinajpur was better place for wheat production than other tested places. The mean value of the thousand-grain weight (TGW) of all genotypes was higher as compared to all check varieties. Out of eleven genotypes, ten produced a higher yield than BARI Gom 26, five produced a higher yield than BARI Gom 32. All the eleven genotypes were out yielded of the check variety BARI Gom 21. The highest yield (4099kg ha-1) was obtained in Dinajpur and the lowest yield (3108 kg ha-1) was obtained in Jamalpur. Genotypes, BAW 1290, BAW 1293, BAW 1317, BAW 1318 showed comparatively better performance in ILS condition representing that these advanced wheat lines were less affected by terminal heat stress under late sowing condition.

Authors and Affiliations

Md. Zaherul Islam, Md. Abdul Hakim, Md. Monwar Hossain, Md. Siddikun Nabi Mandal, Mohammad Mokhlesur Rahman

Keywords

Performance of eighteen advanced wheat lines grown under irrigated optimum and late sown conditions in different regions of Bangladesh

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