Rice root nematodes, Hirschmanniella spp. parasitize in the roots of rice and water plant spread widely. Ten species of the genus Hirschmanniella Luc et Goody,
Bacillus thuringiensis (Bt) strain C002 contains crylAa, cry2Ab, cry1Ca insecticidal crystal genes and an unkown gene cryX, among which crylCa is located in a 6
Traditional Chinese medicine and pharmacyare bright pearls of the Chinese culture.In thepast years,great achievements have been made inthe treatment of some com