The prevention and control of cucumber pests and diseases in greenhouses, many people think of pesticides such as pesticides, the use of pesticides, the problem of phytotoxicity is unavoidable. Today Xiaobian recommends a method for controlling cucumber pests and diseases in greenhouses, brown sugar and cucumber pests and diseases, absolutely Zero residue of pesticides.
The cucumber in the greenhouse is like the flowers in the greenhouse. The vegetation is weak and easy to get sick. There are often three pathological conditions that cause the cucumber to reduce production. The effect of chemical pesticide control can not be thorough. The fermentation broth obtained by the pesticide expert to allow the brown sugar to be fermented can not only prevent disease, It can also enhance the vegetation and improve the quality of cucumber.
Preparation of brown sugar fermentation broth: first dissolve 3 kg of brown sugar in 5 kg of clear water, add 100 g of white yeast, place it in a container in a greenhouse or greenhouse, stir once a day for about 20 days, until the surface appears white The film is ready.
Usage: Take 500 ml of brown sugar fermentation broth, 100 g of shochu, 100 g of rice vinegar, add 50 kg of water and mix well, then spray. From the pre-onset of cucumber bacterial spot disease, spray once every 7 days, continuous spraying 4~5 times, each time the spray volume per acre is 50~75 kg, you can receive the maintenance and increase of the three diseases of the rule of law. Good results.
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