The development of last instar Helicoverpa armigera prothoracic glands was investigated first; then the effects on the prothoracic glands of Helicoverpa armiger
A rice mutant called leafy head (lhd), in which the differentiation of rachis branches is blocked, was identified in a doubled haploid (DH) population derived t
Virus isolate Y47 was obtained from Malvastrum coromandelianum showing yellow vein symptom in Honghe, Yunnan Province. The complete nucleotide sequence of DNA-A