What are the diseases and insect pests of growing bananas?
What are the diseases and insect pests of growing bananas? Please give an introduction to the following diseases and insect pests: disease control 1, bunchy top disease and mosaic heart rot. All of them are caused by virus and there is no specific cure. Aphids are the main media of infection and should be prevented in time. The effect of adding plant growth regulator to the insecticide solution is better. 2. Leaf spot, leaf blast, scab, anthrax. Banana leaf spot is the most important disease, so it is mainly to control leaf spot and other diseases. The best drugs for the control of leaf spot are: Dilituo and Shengzhifeng fungicide No. 1, mancozeb plus carbendazim also has better control effect. Spraying Shengzhifeng fungicide 1000 times for 3 times in seedling stage, middle and late vegetative growth stage, bud stage, bud stage or early stage of disease can control leaf spot disease and treat other diseases with low cost. Before and after budding, severe leaf spot disease or high temperature and rainy weather should be rotated with Dilituo and Shengzhifeng fungicides (once every 10 days). Pest control. 1. Banana weevil (pseudostem weevil). April-May and September-October are the peak periods. Effective drugs: methamidophos, Batan, insect and mite Shuangqi, Beinong Aifuding No. 1 (dosage according to instruction). In the evening of the peak period, the above drugs were sprayed along the pseudo-stem from top to bottom. 2. Aphids (banana cross vein aphid). The dry seasons April-May and September-November are critical periods. Aphids are the transmission medium of bunchy top disease and mosaic heart rot, so attention should be paid to examination. Effective drugs: aphid Rick, Beinong Aifuxi No. 3, Ke aphid Xing, Yichuanjing, etc. Focus on spraying aphids concentrated on the sucking buds and the heads of large plants. 3. Banana leaf curler. The highly effective drugs are Beinong Aifuding No. 3, which can also be sprayed with trichlorfon. Click to get more banana planting techniques click to get more fruit planting techniques
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How to manage bananas before and after budding?
How to manage bananas before and after budding? Please introduce the management method banana before and after budding management can refer to the following methods: first, timely fertilization. Banana entering the stage of flower bud differentiation is the key period to determine the number of fruit comb and small fruit, and heavy fertilizer should be applied in time. That is, when the banana leaves pull out the opposite leaves.
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How to irrigate and fertilize bananas in each stage?
How to irrigate and fertilize bananas in each stage? Please introduce each stage of banana irrigation and fertilization can refer to the following methods: 1. Seedling stage. Banana seedlings, especially tissue culture seedlings, need fertilizer and fear heavy fertilizer at seedling stage. The principle of "applying frequently and sparingly" within 3 months after planting. 10 days after planting, the new leaves began to be fertilized and used.
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