Dilkash-20: a newly approved wheat variety recommended for punjab, pakistan, with supreme yielding potential and disease resistance
SABRAO JOURNAL OF BREEDING AND GENETICS(2023)
Abstract
Wheat Research Institute (WRI), Faisalabad, Pakistan, a premier foundational birthplace of the Green revolution in Pakistan, has played a vital role in attaining food self-sufficiency. Latest grown varieties have succumbed to ever-changing pathogens, unable to stand in the fields. Hence, the initiative to develop an indigenous type to withstand high disease pressure producing better grain yield transpired during 2008-2009, with the hybridization of Dilkash-20 (WBLL*2/4/SNI/TRAP#1/3/KAUZ*2/TRAP//KAUZ/5/ PB.96//LU26/HD2179). It proceeded with segregating generations from F2 to F7 from 2009 to 2016. During 2016-2017 and 2017-2018, its testing followed at station yield trials, including Preliminary (A) and Regular (B), under code V-16005. It produced a significantly higher yield (10.86% and 10.40%) than the check varieties (Faisalabad-08 [FSD-08] and Punjab-11 [PB-11]). In provincial trials, it out-yielded a check variety by 4.06%. Testing in national yield trials, line V-16005 produced 17.40% and 12.03% higher grain yield than check cultivars during 2018-2019 and 2019-2020, respectively. It yielded better when planted on the first 10 days of November with a 100 kg ha-1 seed rate and 120:90:60 NPK (kg ha-1) fertilizer rate. The Dilkash-20 variety is a medium-height (105-115 cm), semi-erect producing 425 tillers per m2, with 119 days to heading and 145-150 days to maturity. It is of excellent quality, with protein (15.1%), starch (52.7%), gluten (28.7%), and test weight (72.1 kg hl-1), highly suitable for chapatti making. It has an effectual, durable resistance against brown and yellow rusts based on adult plant resistance genes. Therefore, the Punjab Seed Council approved Dilkash-20 for general cultivation throughout the irrigated areas of Punjab.
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Key words
Wheat variety, better yielding, rust resistant, enhanced quality, Punjab
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