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Great progress in molecular breeding of hybrid rice in CNHRRDC.

作  者:
Zhao BingRan;Yuan LongPing
单  位:
;China National Hybrid Rice Research and Development Center, Changsha 410125, China.
关键词:
crop yield;dna hybridization;genetic markers;genetic polymorphism;genetic transformation;hybrids;lines;nucleotide sequences;plant breeding;rice
摘  要:
Elite maintainer lines and restorer lines have been developed by genomic DNA transformation. Analyses of molecular markers, DNA sequences, and Southern blotting have revealed that high DNA polymorphism existed between new developed lines and its receptors, indicating that the special DNA fragment from distant relatives may be integrated into the genome of rice. Several combinations with potential of super high yield have been developed from these lines. Therefore, transformation of genomic DNA from distant relatives to the plant of a target receptor may open an avenue for breeding of super hybrid rice..

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