How to cure root nematode: Popular topics and solutions on the entire network in the past 10 days
Root nematode is one of the common pests in agricultural production and has frequently become a hot topic in the agricultural field in recent years. This article will combine the hot content of the entire network for the past 10 days to provide you with the prevention and treatment of root nematodes and organize relevant data to help you better deal with this problem.
1. The harm and symptoms of root nematode
Root nematodes mainly harm the root system of plants, causing slow growth of plants, yellow leaves, and decreased yields, and even causing plant death in severe cases. Here are typical symptoms of root nematode hazard:
symptom | describe |
---|---|
Swelling of the root system | The root system forms tumor-like protrusions, affecting water and nutrient absorption |
Yellowing of leaves | The leaves of the plant gradually turn yellow from bottom to top, and the growth stagnates |
Production declines | The fruit becomes smaller, the quantity decreases, and the quality decreases |
2. Control methods for root nematode
According to the hot discussions on the entire network for the past 10 days, the control methods of root nematode mainly include three categories: agricultural control, biological control and chemical control. The following are the specific measures:
Prevention and control type | Specific measures | Pros and cons |
---|---|---|
Agricultural prevention and control | Crop rotation, deep soil turning, and choose disease-resistant varieties | Environmentally friendly but slow |
Biological control | Use Penicillium lilac, Bacillus thuringiensis, etc. | Safe but costly |
Chemical control | Use aphemectin, thiazolyte and other agents | Fast results but may pollute the environment |
3. Latest hot prevention and control technology
In the past 10 days, the following root nematode control technologies have become the focus of hot discussion on the Internet:
1.Nano-pesticide technology: Improve the targeting and utilization of pesticides through nanocarriers and reduce the amount of drug use.
2.Soil fumigation alternative technology: Use biological fumigation agents to replace traditional chemical fumigation to reduce environmental pollution.
3.Intelligent monitoring system: Real-time monitoring of nematode population in soil through Internet of Things technology to achieve accurate prevention and control.
4. Comparison of prevention and control effects
According to the data released by agricultural research institutions recently, the effects of different prevention and control methods are as follows:
Prevention and treatment methods | Prevention and control effect (%) | Validity period (month) | Cost (yuan/mu) |
---|---|---|---|
Chemical control | 85-95 | 2-3 | 200-300 |
Biological control | 70-80 | 3-6 | 300-500 |
Comprehensive prevention and control | More than 90 | 6-12 | 400-600 |
5. Precautions for prevention and control
1. Early prevention is key, and soil testing is recommended before planting.
2. Chemical agents should be used in rotation to avoid resistance.
3. Pay attention to environmental conditions in biological control to ensure microbial activity.
4. Clean up the sick and disabled bodies in time after harvest to reduce the accumulation of insect sources.
6. Expert advice
According to recent interviews with agricultural experts, it is recommended to adopt the strategy of "prevention as the main and comprehensive prevention and control":
1. Preferential use of disease-resistant varieties and healthy seedlings.
2. Establish a scientific rotation system to avoid continuous cropping.
3. Combine biological control and chemical control to reduce the use of pesticides.
4. Strengthen field management and improve the soil environment.
Root nematode control is a systematic project that requires the selection of appropriate methods according to the specific situation. I hope that through the compilation of this article, it can help you effectively deal with the root nematode problem and ensure the healthy growth of crops.
check the details
check the details