【摘 要】
：
西瓜生理性障害多发生在开花授粉期和果实膨大期。其病状尤如花叶病毒病 ,受害植株生长点萎缩 ,节间缩短 ,嫩叶叶片缩小 ,叶色淡黄 ,斑点增多 ,严重时叶缘往上卷缩 ,叶肉硬脆
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西瓜生理性障害多发生在开花授粉期和果实膨大期。其病状尤如花叶病毒病 ,受害植株生长点萎缩 ,节间缩短 ,嫩叶叶片缩小 ,叶色淡黄 ,斑点增多 ,严重时叶缘往上卷缩 ,叶肉硬脆。病情发展快 ,变化大 ,迅速蔓延 ,连片发生 ,甚至整个产区都有同时发生 ,使人难以预料。由于用户缺乏?
Watermelon physiological disorders occur in the flowering and fruit pollination period. Its symptoms, such as mosaic virus disease, the affected plant growth point atrophy, internodes shortened, young leaves reduced, leaf color yellow, increased spots, severe leaf margin up curl, leaf hard and brittle. Rapid development of the disease, change, rapid spread, contiguous occurred, and even the entire producing areas have occurred at the same time, it is unpredictable. Due to lack of users?
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