Performance of eighteen advanced wheat lines grown under irrigated optimum and late sown conditions in different regions of Bangladesh
Journal Title: Journal of Multidisciplinary Sciences - Year 2019, Vol 1, Issue 1
Abstract
Eighteen advanced wheat lines were evaluated for irrigated optimum and late sown conditions in different environmental regions of Bangladesh. The experiments were conducted at Bangladesh Wheat and Maize Research Institute (BWMRI), Dinajpur, Regional Wheat Research Centre, Joydebpur and Regional Agricultural Research Station, Jashore, Bangladesh. The advanced wheat lines along with two check varieties BARI Gom 21 and BARI Gom 32 were evaluated in Randomized Complete Block Design (RCBD) with three replications under irrigated timely sown (ITS) and irrigated late sown (ILS) conditions. The objective of the study was to find out the heat-tolerant wheat lines for the future breeding programs to develop heattolerant wheat varieties. Significant variations were observed among tested genotypes on phenology, yield, and yield contributing characters at different seeding conditions in different locations. The highest thousand-grain weight (TGW) (60.9 g) was achieved in BAW 1328 in ITS conditions at Dinajpur followed by BAW 1333 (60.4 g) and BAW 1333 (58 g) in the same location and same seeding time. The lowest TGW (23 g) was obtained in the ILS condition at Jashore. The highest grain yield (GY) (6312 kg ha-1) was obtained in BARI Gom 32 at Dinajpur in the ITS condition. The lowest grain yield, 1501 kg ha-1 was obtained in BAW 1331 at Jashore under ILS condition. Regarding environmental locations, Dinajpur was better placed for wheat production. Among the tested advanced lines, BAW 1322, BAW 1334, BAW 1337, and BAW 1338 showed better performance under ILS condition and these advanced lines were selected for the future breeding programs to develop heat-tolerant varieties. The selected advanced lines had a high yield with better tolerance to Bipolaris leaf blight (BpLB), leaf blast and resistance to leaf rust diseases.
Authors and Affiliations
Md. Zaherul Islam, Md. Abdul Hakim, Md. Abdul Kayum, Md. Monwar Hossain, Md. Ashraful Alam, Md. Rezaul Kabir, Mohammad Mokhlesur Rahman, Rabiul Islam, Rafeza Begum
Keywords
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- EP ID EP683683
- DOI https://doi.org/10.33888/jms.2019.112
- Views 298
- Downloads 0
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