White peony is the dried rhizome of the white peony of the genus Orchidaceae. Alias ​​white root, ground screw, white chicken, shofar seven, even sedge grass, purple orchid and so on. It is a commonly used traditional Chinese medicine that has functions such as replenishing the lungs, stopping bleeding, and swelling the muscles. Indications of tuberculosis hemoptysis, bronchiectasis hemoptysis, gastric ulcer vomiting blood, blood in the urine, blood in the stool, etc., external treatment of traumatic bleeding, burns, hand and foot cleft palate. Now the gel block made of white peony is used for liver and spleen surgery to stick to the knife edge, instead of blood pliers, the effect is very good, with rapid coagulation effect, and can be used for surgery in plasma. Mainly produced in Sichuan, Yunnan, Shaanxi, Anhui, Hubei. Guizhou also has cultivation.
It takes 3-4 years from the seedling to the harvesting of white peony. During the artificial planting process, there are many pests and diseases that affect its healthy growth. White 芨 is warm, cool and damp environment; not cold. Requires fertile, loose and well-drained sandy soil or humus loam. It is required to be cultivated on a shady slope or a damp land.
White carp planting technology:
1. Land preparation and fertilization
Choose deep, fertile, well-drained, humus-rich sandy loam and wet land. After the harvest of the previous season crops, the soil was ploughed by more than 20 cm, and 1500-2000 kg of composted manure or compost was applied per acre, which was turned into soil as the base fertilizer. Then squat, waiting for sowing.
Second, sowing
White peony
Method and skill for planting white peony flowers encyclopedia. The sowing period is divided into autumn sowing and spring sowing. Before the autumn broadcast, the spring was broadcast before and after the Qingming. It is suitable for autumn in the south. It can be harvested in the autumn when it is harvested. The white tuber with no pests and diseases is cut into small pieces. Each piece has 1-2 eyes, which is slightly cool, so that the wound is healed and planted in the whole surface. on.
In the north, the spring will be planted, and the stored white peony will be taken out at the time of sowing, cut into pieces, and planted after the wound has healed. The row spacing is 30×20 cm.
I. Common diseases and prevention of white peony
The diseases are mainly tuber rot disease, root rot disease, leaf brown spot disease, leaf spot gray mold and so on.
1. Leaf spot gray mold
Control measures: remove the diseased plant residues, remove the lower diseased leaves early in the onset; take timely drug control. The following agents can be used alternately: 50% carbendazim wettable powder 500-600 times solution, 75% chlorothalonil wettable powder 600-800 times solution, and 65% daikon zinc wettable powder 400-500 times liquid spray.
2, black spot
Black spot disease is the main disease on flower and vegetable crops. It is common and serious, and it is easy to grow on white peony. The pathogens overwinter in the dead branches or soil with mycelium or conidia disks. Infection occurred in the middle and late May of the next year, and the period from July to September was the peak period. Spores are spread by wind, rain or insects, and re-infected.
Control method: Generally, it can be soaked with 50% carbendazim 500 times solution or 70% methyl thiophanate wet powder 1000 times solution, or it can be immersed in the base of the seedling for 10 minutes.
3, root rot
Control measures: For this disease, prevention is the main method, and there is no cure effect after the onset.
Prevention methods: Too much rain is the main condition for the epidemic. In the early years of rainfall, the incidence is early and heavy. Conditions such as low-lying stagnant water, poor ventilation, insufficient light, and improper water and fertilizer are conducive to the onset. Generally, it can be sprayed with 50% carbendazim 800 times solution or 50% chlorothalonil 800 times solution, and the seedbed is reinforced and ventilated.
Second, the common pests and prevention of white peony
The white worm is mainly underground pests. The underground pests are the big enemies of white carp, eating fake bulbs, young shoots and rhizomes, causing seedlings and dead seedlings. The underground pests are mainly cockroaches (la la 蛄), cockroaches (chafers), golden worms (tassels). Worm) and ground tiger (crop).
1, hehe. The larvae of the chafer, feeding on the roots and stems of the crops, often bite or bite the roots. The hazard is that the fractures are relatively neat and the seedlings are withered and died.
2. Golden worms. It is the larva of the mites. The hazard is biting the tubers. It is characterized by eating the young roots into small holes, causing dead seedlings, lack of seedlings or causing tuber rot.
3, hehe. In the underground, biting seeds or germinating seeds, and feeding on the tender stems and roots, the hazard is characterized by biting into a chaotic shape, while squatting on the surface layer to form a tunnel, separating the seedling roots from the soil, causing the seedlings to be adjusted. Withered.
4, the ground tiger. The larvae are very miscellaneous, and they are buried in the soil during the day. The hazard is unearthed at night. The hazard is that the base of the stem is bitten, which often causes crops to be missing.
Control technology: In areas where cockroaches and golden worms are severely affected, it should be mainly mixed with fertilizer and suffocating. The area where cockroaches occur is mainly in the area of ​​poisonous baits; in areas where the tigers are severely affected, the eggs are deeply destroyed, weeding and insecticides, and the control of pesticides The way to combine. Irrigation with 90% trichlorfon 1000 times solution or 75% phoxim 1000-1500 times solution.
Phoxim has strong contact and pest toxic effects on pests, and has special effects on lepidopter larvae. Particularly suitable for controlling underground pests. Each acre is watered with 250% of 50% emulsifiable concentrate and 250 kg of water; or 50 ml of 50% emulsifiable concentrate per acre is applied to the soil; or 10 kg of 3% granules per acre is sprinkled and watered.
Phoximide is easily decomposed under light and should be stored in a cool and dark place. It is best to carry it in the evening when spraying in the field.
Third, other white worms
In addition, aphids, snails, crickets, and rodents are also pests that threaten the growth of white pelicans.
1. Aphids: It can be sprayed with imidazole pesticides such as imidacloprid and chlorpyrifos. Pyrethroid pesticides such as cypermethrin, fenvalerate and cyhalothrin can also be well controlled.
2, snails and cockroaches: 6% tetrapolyethylene granules to kill, 5-8 kg per acre. Note that no water is sprayed after application. After the water is sprayed, the seedbed is slightly dried and then spread.
3, mice: according to the hazard situation, put bait or use mouse clips, rat cages to kill.
The prevention and control of white worm pests and diseases, adhere to the principle of prevention, comprehensive prevention and control, combined with land rotation, physical killing, biological control methods, to minimize the amount of pesticides.
The land preparation is loose and fertile sandy loam and humus loam, warm and slightly damp environment, not cold. When planting the well-drained mountain, it is advisable to plant the shady slope and wasteland. Till the soil by more than 20 cm, apply fertilizer and compost, apply 1000 kg of farmyard manure per acre, 50 kg of ternary compound fertilizer without farmyard manure, or apply 100 kg of organic fertilizer. Turn the ground again to mix the soil and fertilizer. Shallow ploughing before planting, the soil is fine, flattened, and made into a sorghum 130-150 cm wide.
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Potassium Phosphates,Tricalcium Phosphate,Tripotassium Phosphate,Trimagnesium Phosphate
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