黑斑是一种fungus。
Remove infected leaves, then spray fungicide.
https://www.todayshomeowner.com/how-to-control-black-spot-fungus-disease-on-roses/
我的也有,我懒得管它。
黑斑是一种fungus。
Remove infected leaves, then spray fungicide.
https://www.todayshomeowner.com/how-to-control-black-spot-fungus-disease-on-roses/
我的也有,我懒得管它。
• 谢谢楼上二位。明天就去买fungicide -awr- ♀ (0 bytes) () 07/06/2019 postreply 21:13:47