Identification and Control of Cucumber Blight
Cucumber blight occurs everywhere. It is one of the most important diseases of melon crops. It can harm many kinds of melon crops. 1. Pathogen cucumber blight is a disease caused by fungal infection. 2. Symptom recognition 2.1 the disease spot of the leaf is light brown and nearly round. 2.2 after the damage to the base of the stem and the stem node, the diseased tissue constricted and the leaves above the diseased part wilted. 2.3 most of the damage to fruit melons occurred in the pedicel, and the disease spots showed water-stained dark green depressions, gradually shrinking and causing wet rot, and gray-white mildew grew on the surface. 3. The disease condition is continuous overcast and rainy weather, and the disease is serious in the field. 4. At the initial stage of the disease, you can choose 25% Ruidu manganese zinc wettable powder 600 times liquid, or 75% chlorothalonil wettable powder 500 times liquid spray, once every 7 to 10 days, 3 times continuously for 4 times.
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The main points of topdressing cucumber
Cucumber is very sensitive to fertilizer, topdressing should pay attention to the following points: 1. Before planting to sitting melon, you should look at seedling topdressing and control the amount of fertilizer. In the early stage of cucumber growth (usually within a month after planting), the soil temperature is still low, such as fertilizing or watering too much, "rotten roots" will occur, which is due to the weak activity of the root system.
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Characteristics of Fertilizer requirement of Cucumber and Application of fertilization Technology
According to the characteristics of fertilizer requirement, cucumber is suitable to be cultivated in loose, fertile and permeable soil, heavy soil is not conducive to cucumber root development, and the soil with high organic matter content can balance the contradiction that cucumber root system likes moisture but does not tolerate waterlogging, fertilizer but not fertilizer tolerance. The growth cycle of cucumber is roughly divided into germination stage, seedling stage, vine stage and.
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