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首页> 外文期刊>Pakistan journal of botany >Line × tester analysis for studying various agronomic and yield related traits in field tomato ( Solanum lycopersicum L.)
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Line × tester analysis for studying various agronomic and yield related traits in field tomato ( Solanum lycopersicum L.)

机译：用于研究番茄（Solanum Lycopersicum L.）的各种农艺和产量相关性状的研究×测试仪分析

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摘要

Performance of nine hybrids along with six genotypes including three lines (Roma, Nagina and Continental) and three testers (Peto-86, Riograndi and Naqeeb) was studied following Line × Tester design. Variances due to treatments, parents, crosses and Line × Tester were found significant for all traits apart from clusters plant -1 in parents. Predominance of non-additive gene action was observed for all the traits excepting days to 50% flowering and maturity. Thus heterosis breeding may be rewarding for genetic enhancement of such characters. Tester’s contribution towards total variance was higher in comparison to lines. Line × tester contributed significantly in plant height, clusters plant -1 , fruit length, fruit width and average fruit weight. Based on GCA effects, the tester Naqeeb and line Nagina performed better for yield and its related components. Similarly while considering SCA effects, two cross combinations viz., Riograndi × Continental and Naqeeb × Roma were perceived as potential crosses with desirable SCA values for increased yield and are recommended for further evaluation.
机译：在线×测试仪设计之后，研究了九种杂交种以及包括三条线（ROMA，Nagina和Continental）和三个测试仪（Peto-86，Riograndi和Naqeeb）的六种基因型。对于治疗，父母，十字和线×测试仪的差异对于除了父母的簇植物-1之外的所有特征都发现了重要意义。除了不同天的所有性状，观察到非添加性基因作用的优势，除了日期至50％开花和成熟。因此，杂种体育种可能是奖励这种角色的遗传增强。与线条相比，测试人员对总方差的贡献更高。线×测试仪在植物高度，簇株-1，果实长度，果实宽度和平均果子重量中有显着贡献。基于GCA效果，测试仪NaqeeB和Line Nagina对产量及其相关组件进行了更好。同样在考虑SCA效果的同时，两个交叉组合viz，riograndi×欧洲和Naqeeb×roma被认为是具有所需SCA值的潜在交叉，以增加产量，并建议进一步评估。

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