The characteristics of vascular bundle in the first internode from top and grain-filling of heavy panicle type hybrid rice(HPTHR) were studied. The results were
The Bt Cry IA (C) chloroplast expression cassette and OC chloroplast expression cassette were constructed. The Bt expression cassette contained the 3.5 kb wild
Genetic distance among 36 cotton cultivars measured by molecular markers of RAPDs, ISSRs,and SSRs was from 0.0701 to 0.4255 with the mean of 0.2844, and from 2.
After water stress at various levels and durations at different growth stages, rewatering could greatly stimulate the leaf area development of winter wheat. The