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Advances in Crop Heterosis Studies using Molecular Biology Techniques

Wang Deyuan Yin Qiumiao Li Ying Zheng Jinrong Huang Aixing (Institute of Vegetable Crops,Guangdong Academy of Agricultural Sciences,Wushan,Guangzhou 510640)  
Advances in crop heterosis studies using plant molecular biology techniques were summarized from the following aspects:genetic mechanisms included 1) differences in the quality and quantity of gene expression,2) changes in the primary structures of genes in F 1 and 3) the resultant genetic vibration theory; prediction method aspects contained 1)parent heterozygosity and F 1 heterosis and 2) QTLs associated with heterosis.Suggestions on the forthcoming studies were also made in the present paper.
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