<正> A photoperiod-sensitive genic male sterile(PGMS)rice was found in 1973 as a sponta-neous mutant of Nongken 58,a japonica vari-ety.Pollen fertility of Nongk
<正> Cytoembryological studies were employed to reveal the origin of haploid and to determine the cytological facters relating to the production of diploid poly
Transposon tagging is a powerful tool for gene study, especially for genes among different plants, such as Arabidopsis, tobacco, and tomato, etc. This effective