The latest course on pest control techniques and methods of Atractylodes macrocephala Koidz
Atractylodes macrocephala alias thistle, Yu Shu, its rhizome can be used as medicine, with the effects of invigorating the spleen and replenishing qi, dryness and diuresis, stopping perspiration and calming the fetus. It is widely cultivated in Hunan, Jiangxi, Hubei and Hebei. As its planting benefit is getting better and better, but the harm of diseases and insect pests is becoming more and more serious, let's take a look at the pest control techniques of Atractylodes macrocephala Koidz.
1. Root rot
After infected with Atractylodes macrocephala Koidz, the root is yellowish brown, then brown and withered, and extends to the whole root in a short time. The bacteria can also be infected from the top of the rhizome or other damaged parts. After the rhizome was infected, there were no obvious symptoms on the outside in the early stage, but in the later stage, the epidermis separated from the rotten fleshy part, leaving only woody fibers and debris, resulting in the death of the aboveground plants.
Control methods: reasonable rotation, adequate base fertilizer, improve plant disease resistance, soil can be disinfected and sterilized, and carbendazim solution can be used to irrigate the disease.
2. White Jersey disease
The disease mainly harms the base of the stem and fruit. When the plant is infected, the base of the stem appears yellowish-brown soft rot, the leaves turn yellow and wilt, and die seriously. When the humidity is high, the mycelium will spread to the root, produce sclerotia, and seriously cause the base of the plant to rot and cause the aboveground stems and leaves to die. When the fruit is infected, there is a phenomenon of soft rot, white silk hyphae and small sclerotia.
Prevention and cure method: select the land with higher topography and lower groundwater level to plant, disinfect the soil with lime during soil preparation, and sprinkle it on the rhizome when you get sick.
3. Daqing leafhopper
The green leafhopper is distributed all over the country, and its implementation is miscellaneous. Adults and larvae will concentrate on the leaves and constantly suck the leaf juice, resulting in small white spots on the leaves, serious loss of green leaves and weakening of plant growth.
Control methods: clean up the field immediately after harvest, clean up weeds and diseased bodies, and avoid intercropping or intercropping with legumes and cruciferous plants. In the peak period of insect pests, fenvalerate EC can be used to control.
4. Aphids
Aphids are pests of many plants. They have strong fecundity and can reproduce more than 10 generations a year. Insect eggs will overwinter on the back of leaves, branches and rhizomes of plants. After the temperature warmed up in the next year, they began to hatch in large numbers, gathered in the young parts of the plant, constantly sucked juice, and were killed with small brown spots, which seriously affected the growth and development of the plant, resulting in a serious reduction in yield.
Control methods: suitable for early sowing, selection of insect-resistant varieties, imidacloprid and aldicarb can be sprayed in the bud stage.
The above is the introduction of disease and pest control technology of Atractylodes macrocephala Koidz. I hope it can help you. If you want to know more about it, please follow us.
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The latest course of field management techniques of Atractylodes macrocephala Koidz
Atractylodes macrocephala Koidz is one of the bulk medicinal materials planted at home. In recent years, with more and more people planting, its planting efficiency is getting better and better, and it is also a better project in the cultivation of medicinal materials. However, if Atractylodes macrocephala Koidz can achieve high yield and improve income, it is inseparable from its field management.
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