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Anonymous users2024-01-24Since the air in the place where you breed is hot and humid and easy to powdery mildew, you can use ventilation and spray the leaves with a little laundry detergent water.
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Anonymous users2024-01-23The gourd likes temperature, and the growth fruit is 20 25 is the most suitable. When powdery mildew first occurs, use 25% powder rust rather wettable powder 1000 times liquid, 50% sulfur suspension 150 times liquid, spray 1 time every 10 days, alternate use, 3 times in a row. The chemical control of mites can be used alternately with 72% gram mite emulsifiable concentrate 1000 1500 times liquid to prevent and control.
This is a bacterial disease, just spray some fungicides, not insects.
The appearance of yellow leaves, depending on the characteristics of its occurrence, has the following situations: >>>More
Use 4000 times of kung fu emulsifiable concentrate or 6000 times of 40% fenvalerate, aim at the back of the leaf when spraying, and spray the liquid onto the aphid body.
If the strawberry seeds planted on the balcony germinate and have yellow spots on the leaves, it doesn't matter, if it continues to grow, it doesn't matter, if it doesn't, it may have to kill insects.
You can buy some stone sulfur mixture with water spray It is not expensive, and the effect is very good.