Why the eggplant stem turns brown and rotten
All kinds of symptoms on eggplant are mainly caused by cotton blight and gray mold. There are a lot of black hairs in the incidence of Botrytis cinerea in eggplant, while when the humidity is high, the surface of eggplant cotton blight appears dense white cotton-like hyphae, which is the main difference between the two diseases. The prevention and control methods of the two diseases are introduced as follows: under the premise of heat preservation and humidity reduction, "Yifanling" No. 1 and No. 2 can be used to smoke 75 100g per standard shed (can avoid increasing air humidity, high air humidity is most conducive to the occurrence of Botrytis cinerea) Or use 65% carbendazim 800 Mel 1000 times or 50% Sukeling 1500 Mel 2000 times or 50% propofol 1500 times or 75% Daconine 600 Mel 800 times or 40% Scarlett 1000 times, depending on the condition, spray once every 10 days for prevention and treatment, and spray 2 times successively for 3 times. Cotton blight can be treated with 53% gold redomer manganese zinc 600 UV 800 times or 64% antiseptic alum 500 UV 600 times or 52.2% DuPont Yizujing 2000 times or 20% long Ke bacteria 600 times, etc., depending on the condition, foliar spray is used every 7 times every 10 days to prevent and control the disease, and it is sprayed twice for 3 times. For eggplant stem rot, the above agents can be used to smear the water into a paste.
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How is eggplant stem and leaf long spot to return a responsibility after all?
The small spots on eggplant leaves are light in the middle and dark brown on the edges, and the larger ones are irregular. There are also many small black spots on the disease spot. Many petioles have dark brown necrotic spots. After the stem disease, also has the dark brown disease spot, the disease spot is also the edge dark brown, the middle color is lighter, above also dense small black spot.
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Analysis on the reasons for the use of old buds in eggplant grafting
After a large number of eggplant blossoms and fruits, the absorption function of the root system gradually decreases. At this time, the management should be strengthened to delay plant senescence, promote eggplant to continue to blossom and fruit, and prolong the harvest time. Apply fertilizer in time, apply fertilizer every 15 to 20 days, apply 10 kg of nitrogen, phosphorus and potassium compound fertilizer per mu, and fully soak 15 grams of mature soybean.
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