梨树,这是什么毛病
梨树,这是什么毛病https://appimg.guoyetong.com/pic/20220509/165205654069974_272.jpg
https://appimg.guoyetong.com/pic/20220509/1652056540704713_509.jpg
https://appimg.guoyetong.com/pic/20220509/1652056541026947_700.jpg
https://appimg.guoyetong.com/pic/20220509/1652056541302932_32.jpg
赤星病, 赤星病初期。 同意杨春暖老师和松山老皱的观点
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