The use of heterosis was an important method to increase the yield of maize,but the studies of heterosis was centralized in the shoot of maize,whether the root activity has heterosis and the relationship of root activity and photosynthetic characteristics were not clear.The present field shelter-out rain experiment with hybrid maize and its parents under three soil water conditions was designed to study the heterosis on root activity and its declined properties and its relationship with photosynthetic chara...
修改评论