The nemesis of rice disease-- 12% rice power
12% rice power EC (12% green copper EC for rice) is a special fungicide for rice. According to the large-scale demonstration and popularization in Hunan, Hubei, Guangxi, Zhejiang and other major rice producing areas, it has a good control effect on many kinds of fungal and bacterial diseases, such as rice bacterial leaf spot, bacterial leaf blight, rice false smut, rice blast and so on, especially for bacterial leaf streak. the effect is significant. Rice power is a low-toxic pesticide, which can be degraded rapidly under natural conditions, no residue, no pollution, safe to human, animal and environment, and copper element can also stimulate plant growth.
Application method: soak or spray seeds with 50-80 ml of 12% rice power EC and 50 kg of water. Seeds were soaked in ①. Soaking rice seeds in chemical solution for 24 hours, then soaking and sprouting with clear water, and then sowing can effectively control the occurrence of seed-borne diseases such as rotten rice seedlings, bacterial leaf spot, bacterial leaf blight, rice false smut, rice blast and so on. ② spray. In the seedling stage, 50 kg per mu spraying solution can control rice seedling rot, 50 kg per mu spraying solution can effectively control rice bacterial leaf spot, bacterial blight, sheath blight and leaf blast in the early stage of rice bacterial streak, bacterial blight, sheath blight and leaf blast, and 50 kg per mu spraying solution can effectively control panicle neck blast and rice false smut at booting stage and full heading stage.
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Application of Zinc Fertilizer to Rice to prevent "sitting"
Rice seedlings do not grow long after transplanting, or even do not turn green, or do not tiller or even shrink after turning green, which is generally called "sitting". Most of the "sitting" fields appear in low-lying shady and humid areas and cold rotten and thin fields, but sometimes fertile fields also occur. There are many reasons for this phenomenon, and zinc deficiency is one of the most important reasons. The symptoms of zinc deficiency in rice are as follows: the leaf tip of the basal leaf of rice plant is dry, irregular patches of yellowish brown or even reddish brown appear in the middle of the leaf, and gradually from the old leaf.
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Rice disease
1. Rice blast (1) damage characteristics: Rice blast, also known as rice fever, commonly known as fire blast, hanging head blast, neck-choking blast and so on, is one of the most popular and harmful fungal diseases in the world, which mainly harms the aboveground part of the host plant. Due to the different damage period and position, it can be divided into seedling blast, leaf blast, ear neck blast, branch blast, grain blast and so on. The host range is many kinds of Gramineae plants, such as rice, wheat, horse tang and so on. Magnaporthe grisea overwintered mainly on diseased rice straw and was infected in rice field in the second year. The spread of bacteria mainly depends on the wind.
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