Prevention and Control Methods for Grape Heart Borers
Introduction: Here are some small experiences in plant cultivation for the prevention and control methods of grape heart borers. Please see the detailed introduction below.
Prevention and Control Methods for Grape Heart Borers
Grape heart borers mainly harm the leaves, initially causing white spots on the back of the leaves, with a raised surface and white fluffy felt, hence the name "f felt disease." It can damage tender shoots and young fruits. Upon discovering grape heart borers, it is advisable to promptly cut away withered and diseased branches, clear away the diseased branches and leaves that have fallen to the ground, and use Aifuding or Bt wettable powder for control.
Symptoms of Grape Heart Borers
Grape heart borers mainly harm the leaves, initially causing white spots on the back of the leaves, with a raised surface and white fluffy felt, hence the name "felt disease," which can damage tender shoots and young fruits.
Damage caused by heart borersGrape heart borers are known as "felt disease," found in various production areas, causing severe damage to grapes and also reducing the economic benefits of farmers who grow grapes.
Causes of Grape Heart Borers
The causes of grape heart borers are due to neglect of the environment and soil during planting, leading to the growth of heart borers during the grape growth period.
Effective Pesticides for Controlling Grape Heart Borers
Heart borers can be cured, and for their control, you can choose to spray Aifuding or Bt wettable powder, preferably using them in advance.
Treatment for grape heart borersTimely cut away withered and diseased branches, and clear away the diseased branches and leaves on the ground, concentrate and burn or bury them. Fuxing or Kebao can be used, adding 0.2% urea and 0.2% potassium dihydrogen phosphate, used together, which can supplement nutrients on the leaves.
Prevention and Control Methods for Grape Heart Borers
Best time for preventing heart borersWhen grape trees are infested with heart borers, destroy the leaves and diseased leaves in winter, so they won't have a chance to survive the winter, and there will basically be none left the following year.
If present, promptly remove the infested fruits and handle them, or use black lights to attract and kill the pests based on their phototaxis, which is also very effective.
Treatment methods for heart borersCombine the treatment of grape heart borers with winter pruning, cut and burn the affected branches, to eliminate overwintering larvae. From June to August, cut and treat the affected branches and swollen tender branches. For large branches, directly inject 50% dichlorvos 500x emulsion and seal with yellow mud.
Prevention measures for heart borersTimely cut away withered and diseased branches, and clear away the diseased branches and leaves that have fallen to the ground, and burn or bury them in a concentrated manner.
The above is the complete content of the prevention and control methods for grape heart borers, for your comprehensive understanding and reference!