What is the future development of white peony? White peony is one of the important important Chinese medicinal materials in China. At present, the more mature cultivation techniques still use tuber to breed. In order to further develop the production potential of white peony and realize the industrial production of white peony, modern biotechnology and traditional cultivation techniques should be organically combined to develop tissue culture and seed culture medium seedling breeding technology, and select agronomic traits, high yield and effectiveness. The excellent strains with high content of ingredients can improve the emergence rate and survival rate of white peony seedlings, thus solving the shortage of chalk resources and providing strong support for the industrialization of white carp.

1. Land consolidation and filming

1. The best period for planting is 2-3 months.

2. Choose an altitude of 300-1200m, the soil is rich in humus, loose and fertile, well-drained sandy loam, and the plot is deeply ploughed 15-20cm or more, and the soil is finely selected with a 1.5m wide degradable mulch covering the compartment. Compacted with soil.

3. Before the sowing, use the film punching machine to punch holes. The distance between the hole and the hole is 15cm, the hole depth is 8cm, and the fine soil with 3-4cm thick is covered after planting.

Second, seedling selection

Cultivation before January and June: Select the last year's fake bulbs for seeding, and it is better to have no insects and no excavation.

2, after the cultivation in June: choose the raw stems for breeding materials in the same year, you can also choose the two-year-old and strong seedlings through the refining.

Third, field management

1, shading and cold protection

(1) Baiji Xiyin, in the direct sunlight area with an altitude of 800m or less in summer, the sunshine is strong. In order to prevent the sunburn phenomenon, it is necessary to plant 2-3 rows of corn shading on both sides of Baijitian.

(2) White peony is not cold-tolerant, so it is necessary to cover the grass or cover the membrane to prevent cold in winter, and remove the grass or film when the spring emerges.

2, fertilization

The fertilizer is applied to the fertilization machine hole every winter, and 40-50kg of 45% compound fertilizer is generally applied per mu. Topdressing can be combined with foliar application of foliar fertilizer and fertilization machine.

3. Irrigation drainage

White peony is wet, so it is necessary to water it in time, usually in the morning and evening; in the rainy days, it is necessary to do the work of draining water.

Fourth, white peony pest control

1, the disease is mainly black spot disease, root rot disease, leaf spot gray mold, etc.

(1) Black spot disease: disinfection with 50% carbendazim 500 times solution or 70% methyl thiophanate wet powder 1000 times solution to prevent black spot disease.

(2) Root rot: pay attention to drainage and drainage; strengthen the ventilation and drainage of the seedbed.

(3) Leaf spot gray mold: timely removal of diseased plant residues and diseased leaves; taking drug control, optional agent has 75% chlorothalonil wettable powder 600-800 times solution, 65% daisen zinc wettable powder 400 -500 times liquid, 50% carbendazim wettable powder 500-600 times liquid alternately sprayed.

2. Pests are mainly ground tigers, golden worms, etc.

(1) Ground tigers and golden worms: artificially killing, turning over the soil and drying the sun, combining intercropping or intercropping, and rotating the crops; timely irrigating and turning the seedbed.

(2) Golden worm: use the grass spray to trap and kill; use chemical pesticide phoxim to control roots.

Five, white harvest

After 4 years of white sorghum and 3 years of spring, the stems and leaves are harvested in October-November, and the late harvesting is poor.

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