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What are the control methods for rice sheath blight?
How should rice sheath blight be controlled? When is the best time to start detailed control of rice sheath blight? Please help advise. The harm of rice sheath blight to rice is very serious. The best control method is to start control from the very beginning of preparing to plant rice. The following is a detailed introduction to the control methods and reasons for your reference...
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How to prevent and control rice sheath blight? A detailed guide to the control methods
How serious is the damage caused by rice sheath blight? How do you prevent and control rice sheath blight? We ask netizens to help explain. The damage caused by rice sheath blight is divided into leaf sheath infection, leaf infection and stem infection, described in detail below. Leaf sheath infection: near the water surface, small dark green water-soaked spots with blurred edges appear, which then gradually expand into an oval or...
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What are the control methods for rice seedling blight?
What harm does rice seedling blight cause? How do you control rice seedling blight? Experienced gardeners are also invited to help explain. For the harm and control methods of rice seedling blight, you can refer to the following introduction. Harm of rice seedling blight 1. Harm of seedling blight to rice sprouts: it occurs before emergence or just as the seedlings emerge; the young sprouts or young roots of the seedlings turn brown, and the diseased sprouts become distorted, rot, and die. Mold layers form on the seeds or at the base of the sprouts.
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Detailed Explanation of Lettuce Germination Methods and Planting Techniques for Summer and Autumn
How do you germinate lettuce in summer and autumn? What methods can be used for germination? Please introduce the methods. The germination methods for summer and autumn lettuce can refer to the following list: The temperature range for lettuce seed germination is 5~25°C, and germination is hindered above 30°C. When sowing summer and autumn lettuce, the air temperature is relatively high, so subjecting the seeds to low-temperature treatment can make them emerge earlier...
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How to manage chives in autumn? A detailed guide to cultivation and management methods
How to manage chives in autumn? Please provide an introduction to the methods. After the Start of Autumn, the climate turns cooler, sunlight is abundant, and rainfall gradually decreases. Chives photosynthesize vigorously, grow quickly, and accumulate nutrients in the root system. This is the key period for strengthening seedlings and nourishing roots. In autumn, chives can be managed with reference to the following methods: Fertilizer and water management for chives: After the Start of Autumn...
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What Is the Soybean Pod Borer? A Detailed Guide to Soybean Cultivation and Control Methods
What is the soybean pod borer? How do you control it? Here is an introduction. The soybean pod borer, also known as the small red worm, belongs to the family Olethreutidae in the order Lepidoptera, and is commonly called the soybean pod-boring moth. The soybean pod borer larva has 4 instars in total; when newly hatched it is pale yellow, and after entering the pod and molting it turns milky white. The final-instar larva is 8 to 10 mm long, and when fully mature it turns red...
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How to control rice stem borers? Rice pest and disease control methods
How to control rice stem borers? Please explain the control methods in detail. Rice stem borers can be controlled by referring to the following methods: 1. Update rice varieties: Reduce or eliminate a few especially susceptible varieties to reduce the pressure for chemical control and the base population. 2. Flooding to kill pupae: Because newly hatched Chilo suppressalis larvae damage the rice leaf sheath...
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What pests and diseases affect rice in the late stage? A single article explains the control methods clearly
What pests and diseases affect rice in the late stage? How to control them? Please explain in detail. The main pests and diseases in the late stage of rice are: 1. Sheath blight: the disease has recently risen faster, with an average diseased-hill rate of 13.7% and a diseased-plant rate of 3.3%. The rise in disease severity is noticeably faster than in the previous period, especially for the Wuyunjing series varieties, where sheath blight is generally quite severe...
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How to remedy herbicide damage in yardlong beans? A detailed guide to prevention and control methods
What should you do if yardlong beans suffer herbicide damage? What methods can save them? We ask fellow gardeners to help share. Zhongdiwang has compiled the symptoms and prevention and control measures for herbicide damage in yardlong beans, listed below for fellow gardeners' reference. Symptoms of herbicide damage in yardlong beans: after accidental spraying of herbicide, the old leaves of the yardlong beans first dry up...
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How to Apply Jointing Fertilizer to Summer Corn? Fertilization Methods and Key Points Explained
How to apply jointing fertilizer to summer corn? When is the best time to apply jointing fertilizer for good results? Please provide guidance. Summer corn generally reaches the jointing stage 18 to 21 days after emergence. The signs of entering the jointing stage, from the external morphology, are as follows: for early-maturing varieties, such as Ludan 50, Yedan 20 and Denghai 9 corn, 4 to 5 leaves are unfolded and 7 to 10 leaves are visible;...
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