globalchange  > 气候减缓与适应
DOI: 10.15666/aeer/1702_20592071
WOS记录号: WOS:000462830400040
论文题名:
GENETIC ANALYSIS FOR SOME PHENOLOGICAL AND MORPHOLOGICAL TRAITS IN WHEAT (TRITICUM AESTIVUM L.) UNDER TWO DIFFERENT SOWING WINDOWS
作者: Raza, H.1; Khan, A. S.1; Ahmed, N.2
通讯作者: Raza, H.
刊名: APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH
ISSN: 1589-1623
EISSN: 1785-0037
出版年: 2019
卷: 17, 期:2, 页码:2059-2071
语种: 英语
英文关键词: late planting ; generation mean ; reduction percentage ; grain weight ; heritability
WOS关键词: DROUGHT STRESS ; HIGH-TEMPERATURE ; HEAT-STRESS ; GRAIN-YIELD ; HERITABILITY ; GROWTH
WOS学科分类: Ecology ; Environmental Sciences
WOS研究方向: Environmental Sciences & Ecology
英文摘要:

Major effect of climate change can be seen in developing countries like Pakistan that make them food insecure. Grain yield of wheat (Triticum aestivum L.) is low as it is affected by erratic weather conditions. Latest development of wheat genotypes applicable for late planting is one of the prime objectives of wheat breeders. Keeping in view the climatic conditions of Pakistan, current investigations were conducted to figure out the inheritance pattern and extent of variations using generation mean analysis. For the aforementioned study the two genotypes Miraj 2008 and Punjab 2011 were evaluated along with following generations i.e. F-1, F-2, BC1 and BC2 in normal and late sowing trial in Faisalabad, Pakistan. The highest reduction percentage was observed in grain weight per spike (-33.6%). The inheritance of all traits revealed complex inheritance due to the involvement of non-allelic interactions. The traits like days to heading and days to maturity had both additive, additive x additive i.e. fixable and additive x dominant non fixable genetic effects. So, selection in later generation would be fruitful for these traits when combinations are fixed. Heritability estimates for narrow sense was also determined. Low to moderate heritability was depicted under late sowing conditions.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/126660
Appears in Collections:气候减缓与适应

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作者单位: 1.Univ Agr Faisalabad, Dept Plant Breeding & Genet, Faisalabad 38040, Pakistan
2.Univ Agr Faisalabad, Ctr Agr Biochem & Biotechnol, Faisalabad 38040, Pakistan

Recommended Citation:
Raza, H.,Khan, A. S.,Ahmed, N.. GENETIC ANALYSIS FOR SOME PHENOLOGICAL AND MORPHOLOGICAL TRAITS IN WHEAT (TRITICUM AESTIVUM L.) UNDER TWO DIFFERENT SOWING WINDOWS[J]. APPLIED ECOLOGY AND ENVIRONMENTAL RESEARCH,2019-01-01,17(2):2059-2071
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