The latest control methods of diseases and insect pests of Achyranthes bidentata

Achyranthes bidentata is a perennial medicinal plant, its medicinal value is extremely high, widely used, its planting range is wide, its growth is also bad determines its quality and income. Therefore, the prevention and control of pests and diseases during planting is extremely serious. Let's take a look at its pest control work together with Xiaobian.

1. Root rot

Root rot is known by its name as a disease that endangers the roots of plants. When it occurs, there is no obvious change in the above-ground plants. The roots turn brown and water-stained, gradually rot, and the above-ground plants begin to die gradually.

Control methods: the disease prevention measures are mainly through reducing the humidity in the field, pay attention to drainage in rainy season, when the disease can be used to control the use of multi-bacterial lime milk, the effect is better, but the late decay, there is no medicine to save, only to pull out the field, and to disinfect the disease.

2. Root nematode disease

Like root rot, it is also a disease that harms roots. Nematodes parasitize roots and produce tuberous gall, which causes roots to lose their function of absorbing and transporting nutrients, seriously affecting yield and quality. In severe cases, plants will die due to lack of nutrients and water.

Control method: reasonable rotation, reduce nematode harm, before planting with methyl iso-thionyl evenly spread on the soil, combined with ploughing, will be turned into the soil, disinfection and pest control effect is better.

3. Leaf spot disease

Leaf spot disease is a bacterial disease, mainly harmful to leaves and petioles, petioles when the disease, there are many water-like round or polygonal spots, later gradually expanded, the spots become black-brown, petioles will wither and atrophy, serious cause large-scale defoliation.

Control methods: disease leaves removed in time to avoid further spread of bacteria, in large areas of infected plants, can be sprayed with Lvdebao suspension agent, Bordeaux mixture control, spray once every 10 days, continuous 2-3 times.

4. Spodoptera argentea

Silver Spodoptera is an omnivorous pest. If it is not controlled in time, it will nibble all the tender parts of the plant, such as buds, tender leaves and buds, resulting in plant growth inhibition and leaf roll withering.

Control methods: When larvae can be sprayed trichlorfon, phoxim control, every 10-15 days once, for 2-3 times.

The above is an introduction to the prevention and control methods of achyranthes bidentata pests. I hope it can help you. If you want to know more about it, please pay attention to us.