Look at it, blade.
Are there insects on leaves and trees?
This is a scale insect hazard.
It's obviously an insect pest
These three pictures are all over.
leeding disease
However, there are some dangerous houses with narrow prickly ash and biting insects.
Spraying 600-fold solution of traditional Chinese medicine bactericide+silicone on the tree to kill the active bacteria.
Before peach trees germinate.
Spraying in time during the growing season
Late March to mid-April is the period when conidia pop up in infectious gummosis, which can be prevented by spraying 600 times of liquid in combination with other diseases.
The first ten days of May to the first ten days of June, and the first ten days of August to the first ten days of September are the two peak periods of infectious gummosis. On the eve of each peak period, spray 600-800 times of liquid every 7 7- 10/day for 2-3 times, and the spraying times depend on the condition.
With thiophanate methyl
carbendazol
Bactericide can
You're welcome [cute]