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Root hair is an important organ for uptaking nutrients and water in plant. A rice (Oryza sativa L.) mutant, ossrh3, with short root hairs was isolated from a T-DNA insertion mutant library of rice on Zhonghua 11 background. The elongation of root hairs in the mutant was severely impaired. Beside, some other traits were also affected, such as plant height, primary root length, lateral root length,...
Population improvement is a basis of germplasm enhancement and developing inbred lines in maize (Zea mays L.). For evaluating the combing abilities of Yuzong 5 developed populations derived from 5 cycles of recurrent selection, 30 testcrossing combinations were made using Huangzao 4, Dan 340, Zhongzong 5, Qi 319, Ye 478, and Mo17 as the female parents in 2 locations under the NCII design. The yield...
The wild species in genus Oryza are important resources of genes resistant to brown planthopper (Nilaparvata lugens, BPH). The objective of this study was to identify quantitative trait loci (QTLs) in Dongxiang wild rice (O. rufipogon Griff.). A BC 1 F 5 population and a BC 3 F 3 population were developed for QTL mapping from the cross between Dongxiang wild rice and...