The yield components of 3 two-line rice hybrids and 2 inbred varieties were studied at Guangzhou in the early cropping season of 1998. The results showed that the two-line rice hybrid Peiai 64s/E32 gave highest yield, the heaviest individual fresh panicle weight and longest panicle length reached 5.42 g and 24.7 cm, respectively.
In pot experiment,the comparative study on the flowering and filling characteristics of inter-subspecific rice hybrid Xieyou 413,its restorer line Zhong 413 and indica rice hybrid Shanyou 10 was conducted.
We took shanyon 63(Zhenshan 97/Minghui 63), an elite rice hybrid of China, as material to carrt out this study to discuss the genetic basis for improvement of its quality and bacterial blight resistance(Xanthomonas oryzae pv. oryzae).
The government has confirmed the company Hunan Provincial Agro-industrialized leading Enterprise in March 2002 and National Agro-industrialized leading Enterprise in December 2002.Hybrid-rice seed business is the main part of the company.
The writer uses the method of strategic research through analyzing macro-environment , hybrid-rice seed market, competitors and Yahua Seeds and considers that Yahua Seeds should push discrepancy strategy and put forward corresponding executive strategy such as research and development strategy, brand strategy and production strategy . The writer analyzes critical restricting factors in the process of pushing differentiation strategy and raises corresponding measures.
Comparative analysis of gene expression at early seedling stage between a rice hybrid and its parents using a cDNA microarray of
Using a cDNA microarray consisting of 9198 expressed sequence tags, we surveyed the gene expression profiles in shoots and roots of a rice hybrid, Liangyoupei 9 and its parents Peiai 64s and 93-11 at 72 h after germination.
Consequently, F1 rice hybrid have been successfully developed and used in China.
To analyze these nuclear homologues genetically, segregation analysis of the RFLP was carried out in the F2 progenies of an Indica-Japonica rice hybrid.
The experimental population was from a cross between 'Zhenshan 97' and 'Minghui 63', the parents of 'Shanyou 63', an elite rice hybrid widely grown in China.