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What are the methods for controlling pests and diseases of walnut trees?
Walnut trees have many kinds of pests and diseases, and the control methods differ for each. Diseases include rot disease, black spot disease, branch blight, brown spot disease, powdery mildew, and anthracnose, which can be prevented by spraying lime sulfur before budding or during the flowering period. Pests include the walnut fruit moth, the white tiger moth, the angular-striped ancient tussock moth,
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Try this effective formula for controlling pear psyllids
In mid-March, during the peak emergence period of overwintering adults, spray 90% acephate (Nuodeshi) soluble granules at 1500-2000 times dilution for control; when pear psyllids occur severely, spray 240g/L spirotetramat at 4000-5000 times dilution or 90% acephate (Nuodeshi) soluble granules
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Which fungicides are effective for controlling grape black pox?
Before grape flowering, spray 75% chlorothalonil wettable powder at 600-700 times dilution, 80% propineb wettable powder at 800-1000 times dilution, and other fungicides for control. After flowering, in the early stage of disease occurrence, spray 70% thiophanate-methyl wettable powder at 800-1000 times dilution and other fungicides for control.
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What harm does alligator weed cause, and how should it be controlled?
In summer, on the surface of ponds, we can often see a full blanket of green dotted with small white balls, which are the flower heads of alligator weed. Alligator weed is already distributed across most of China, and in the southeastern region
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What are the methods for controlling aphids on vegetables?
Agricultural control: clean the garden and fields in a timely manner, remove weeds near the vegetable fields, and leave no plant debris from the previous crop, thereby preventing aphid infestation. Chemical control: focus on killing aphids and preventing viral diseases, and completely eliminate them at the early stage of aphid occurrence, so as to wipe out the aphids before they migrate and spread the virus. A mixed spray of 10% imidacloprid wettable powder at 3000 times dilution and 48% Lorsban emulsifiable concentrate at 3000 times dilution can be used for elimination.
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A Detailed Guide to Methods for Controlling Corn Thrips Infestation
When thrips appear on corn, the infested seedlings should be pulled out immediately and carried out of the field, which can reduce the spread and damage of thrips. Spraying 10% imidacloprid wettable powder can also effectively kill thrips. I. Timing of Corn Thrips Infestation In spring, the yellow thrips first breed and cause damage on wheat and other crops,
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What causes hollow heart in sugar beet, and how should it be prevented and controlled?
Hollow heart often occurs during the cultivation of sugar beet, seriously affecting the quality of the sugar beet and bringing economic losses to farmers, so measures must be taken to prevent and control this condition. Here is an introduction to the causes of hollow heart in sugar beet and the prevention and control methods. 1. Hollow heart
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What pesticide is effective for controlling walnut black rot?
For walnut black rot, use Bordeaux mixture at a 1:1-2:200 formula, 35% basic copper sulfate suspension concentrate at 400-500 times dilution, 35% basic copper sulfate (Lüdebao fungicide) at 300-400 times dilution, DT fungicide at 3000-4000 times dilution, or agricultural streptomycin at 100-120; spray the first time in mid-month, and thereafter
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How to grow oats, a low-calorie food? Key points for controlling sowing density
In the past, our staple foods were only white rice and noodles. With the growing diversity of everyone's diet, more and more foods have entered people's view. Nowadays many friends eat oats in the morning. Oats are both filling and low in calories, very suitable for people who want to lose fat and weight. As a low-
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What is the best pesticide for controlling leaf blight in plants?
Leaf blight is a disease that mainly harms the leaves of plants. If it is not controlled, the disease will spread from one leaf to the leaves of the entire plant, causing all the leaves of the plant to dry up and fall off. So, what is the best pesticide to use when leaf blight occurs in plants? 1.
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