Research on Reasons for Leaf Wrinkle of Gradlious hybrids in Central Yunnan Province

An experiment showed that the wrinkle percentage of gradlious A₂₂₂,A₆₀₄ and A₄₃₆ cultured in plastic green houses with trickle and garden soil was 77,18 and 77 over that of France plastic green houses with sprinkle and seedling soil.The alternative experiments between soil and plastic green house showed that the wrinkle percent of gradious A₂₂₂,A₆₀₄ and A₄₃₆ cultured under plastic green houses with seedling soil was 84,21,79 over that of France plastic green houses with garden soil.The content of SOD abstarted from the leaf of gradious A₄₃₆ cultivated under France plastic green houses was higher than that of the local plastic plastic green houses,contrarily the content of MDA was lower than that of France plastic green houses.So the iron characteristic of soil(pH,Ec) was not the main reason causing the leaf wrinkle of gradlious,whereas the high temperature and low RH% of air were the major reasons for leaf wrinkle.