The s gene of five prevalent virulent strains and one C-strain of Hog Cholera Virus were amplified by reverse transcription (RT). The amplified fragments were c
A new excellent cytoplasmic type of CMS line Sl0-2A in rice with typical abortion type (TAT)from Minghui 63 was obtained by in vitro culture. It possesses high
Simple sequence repeats (SSRs) were used to detect genetic variation among 21 maize(Zea mays L. ) inbred lines. Forty-three SSR primers selected from 69 primers
A study on the physiological-biochemical changes of different ramie(Boehmeria Jacq. ) varieties under drought stress was carried out, the results showed that re
During 1996- 1997, sixty samples were collected from apricot in Hebei Province, from which nineteen ice nucleation active bacterial strains were isolated. Nine
Hebei Province is one of the main distribution areas growing wild soybean( Glycine soja ) in China. In this study, 461 seed samples,collected from 18 natural po