金湖 发表于 2019-8-2 19:15:52

各位老师，师傅，大家帮我看看这是

各位老师，师傅，大家帮我看看这是啥病害？如何防止？有人说是黑星病，可无法确定。
https://appimg.guoyetong.com/pic/20190802/1564744298995412_725.jpg?x-oss-process=image/watermark,image_cGljLzIwMTcxMjA4L29zc18xNTEyNzAzODUyMTUwXzUzMl83NjJfNTQ1LnBuZw==,t_50,g_se,x_20,y_20
https://appimg.guoyetong.com/pic/20190802/1564744299000668_965.jpg?x-oss-process=image/watermark,image_cGljLzIwMTcxMjA4L29zc18xNTEyNzAzODUyMTUwXzUzMl83NjJfNTQ1LnBuZw==,t_50,g_se,x_20,y_20
https://appimg.guoyetong.com/pic/20190802/1564744299180855_341.jpg?x-oss-process=image/watermark,image_cGljLzIwMTcxMjA4L29zc18xNTEyNzAzODUyMTUwXzUzMl83NjJfNTQ1LnBuZw==,t_50,g_se,x_20,y_20
https://appimg.guoyetong.com/pic/20190802/1564744299699341_720.jpg?x-oss-process=image/watermark,image_cGljLzIwMTcxMjA4L29zc18xNTEyNzAzODUyMTUwXzUzMl83NjJfNTQ1LnBuZw==,t_50,g_se,x_20,y_20
https://appimg.guoyetong.com/pic/20190802/1564744299937196_339.jpg?x-oss-process=image/watermark,image_cGljLzIwMTcxMjA4L29zc18xNTEyNzAzODUyMTUwXzUzMl83NjJfNTQ1LnBuZw==,t_50,g_se,x_20,y_20
https://appimg.guoyetong.com/pic/20190802/156474430018096_972.jpg?x-oss-process=image/watermark,image_cGljLzIwMTcxMjA4L29zc18xNTEyNzAzODUyMTUwXzUzMl83NjJfNTQ1LnBuZw==,t_50,g_se,x_20,y_20
https://appimg.guoyetong.com/pic/20190802/1564744381560180_927.jpg?x-oss-process=image/watermark,image_cGljLzIwMTcxMjA4L29zc18xNTEyNzAzODUyMTUwXzUzMl83NjJfNTQ1LnBuZw==,t_50,g_se,x_20,y_20

陈忠伟 发表于 2019-8-2 20:55:25

黑星病为主，混有赤星病和灰斑病

知足是福✌桃村 发表于 2019-8-2 22:03:21

斑点落叶病

金湖 发表于 2019-8-3 06:36:48

可以肯定这病不是斑点落叶病

果农（甲） 发表于 2019-8-3 10:44:18

黑星病

【礼县苹果】 发表于 2019-8-5 14:20:30

褐斑病   炭疽叶枯
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