The effects to elicit resistance reaction on oilseed rape (Brassica napus L. cv Xinongchangjiao )by four partially N-acetylated chitosan 7B, 8B, 9B and 10B (Deg
Effects of several pesticides on superoxide dismutase (SOD) activities of different rice varieties were studied. The results showed that SOD activities of almos
Genetic diversity of commercial and local rice cultivars in Yunnan Province was studied using the resistance gene analogue (RGA) based on resistance gene conser