西安市近郊的少陵塬,由于干旱、昼夜温差大,生产的西瓜在西安市场享有盛誉。但近年来每年伴随高温干旱的到来,出现大面积瓜秧嫩梢上翘,继而停长、死秧或烂瓜,俗称“龙抬头”病,一般杀菌剂不起作用,给广大瓜农造成巨大损失。我们通过3年试 Small hills in the suburbs of Xi’an City, due to drought, temperature difference between day and night, the production of watermelon reputation in Xi’an market. However, with the advent of high temperature and drought in recent years, the emergence of a large area of ​​melon shoots upturned, and then stop long, dead seedlings or rotten melons, commonly known as “dragon head” disease, the general fungicide ineffective, causing enormous losses to the majority of farmers . We passed the 3 year trial