这些叶子可能会过早掉落，并像细菌斑一样会导致日灼病。
These leaves may drop prematurely and as with bacterial spots can then cause sunscald.
日灼病是在水果上广泛发生的、由强光照射及果面高温诱发的生理失调症。
Sunburn is a kind of fruit diseases caused by physiological maladjustment such as strong light, high temperature etc, which occurred in most deciduous fruit trees.
我国的落叶果树多生长在夏季高温、干旱地区，果实日灼病问题相当突出，尤其是苹果、葡萄、石榴等树种发生严重。
Under the strong light and arid climate conditions in summer, many fruit crops such as apple, grape and pomegranate are commonly and severely affected by sunburn in China.
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