The damage of underground peanut pests and common control measures
Planting peanuts is easy, planting good peanuts is not easy; general yield easily reached, but want to break through the high yield to obtain good economic benefits, you must pay attention to all aspects of high-yield peanut planting technology. Among them, underground pests in the underground gnawing peanut roots and peanut young fruit, not only long and serious damage, serious plots almost extinct. Prevention and control of underground pests is a necessary part of peanut high yield, must pay attention to. In this talk about peanut underground pests about the hazards and common control methods.
The most important underground pests that harm peanuts are grubs, in addition to ground tigers, mayflies, golden needles and many other underground pests. Because underground pests are often active in the underground, hidden, difficult to control. Never see the damage after the control, then it is laborious and time-consuming investment, and poor prevention. Therefore, it is necessary to take the approach of early control
Now, several mainstream control methods are introduced.
1. granules scattering: mixed with fine soil or fertilizer evenly scattered when preparing the ground. The market has seen chlorpyrifos and phoxim granules. Currently there are commonly used 10% and 15% of chlorpyrifos granules, etc.. For example, 10% chlorpyrifos, 15% sastan and ground power etc. The main peanut production areas in 2011 before the use of this method of control or very much, probably because of the effort or spread unevenly, the cost, control effect, etc., the current market with this method is shrinking.
2. seed coating: because of its convenience and efficiency, and generally easy to add excellent fungicides, prevention and control of seedling root rot, stem rot, etc., began to be used gradually after 2008, has become the most common way on the market. At present, peanut coating is mainly divided into two categories imidacloprid series as well as chlorpyrifos series. As the market is mixed, choose these products must choose a product with high safety, and must be a suspension seed coating agent, microencapsulated suspension and seed treatment dispersible powder and other high-efficiency formulations specifically for seed coating. The imidacloprid series can also effectively control aphid damage and stimulate the growth of plant roots. The common imidacloprid series such as high Qiao + Weifu, Fengqia set, etc.; chlorpyrifos series such as protection Feng, Jia Tian Jiasheng, etc.
3. Fertilizer: As a newly emerged control method in the past two years, due to its convenience, it has also achieved a certain market position. At present, if you want to achieve the desired control effect, the cost performance and duration of action are two problems that have to be solved, in some regional markets pushing the good, for this into the market is not long, not too much evaluation.
Tip: Regardless of which control measures are used, you can not ignore the harm of seedling root diseases, especially in the main peanut producing areas, planted for years, the continuous accumulation of pathogens in the soil, resulting in many late early occurrence, as the saying goes, money wheat seeds no money to buy seedlings, it is recommended to add excellent fungicides to prevent seedling root rot, stem rot and other hazards.
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