Planting technique of Ligusticum chuanxiong

Ligusticum chuanxiong is a kind of common traditional Chinese medicine, which has the function of promoting blood circulation, dispelling wind and relieving pain. in recent years, the market is relatively stable, and farmers in producing areas have high enthusiasm for planting. Let's take a look at the planting techniques of Ligusticum chuanxiong.

I. selection of land and land preparation

The cultivation of Ligusticum chuanxiong should choose the soil with sunny topography, deep soil layer, good drainage, high fertility, neutral or slightly acidic soil, but not in sandy cold sandy soil, yellow mud, white eel mud, wet field and so on. Remove weeds before planting and burn the grass into charcoal to make fertilizer, fine and flat after ploughing the ground. A bed with a width of 1.6-1.8 meters is made according to topography and drainage conditions.

II. Methods of reproduction

1. Planting time: before and after the beginning of autumn and not later than the end of August. The seedlings are easy to wither under the influence of high temperature prematurely, and the temperature has dropped too late, which is disadvantageous to the growth of rhizome. Planting should be carried out on a sunny day, and it is better to finish planting on the same day.

2. Prepare before planting: remove all the shoots that have no buds or whose buds have been damaged, those whose stems have been bitten by insects, those with worms or those whose buds have already germinated. Then plant according to the size of Lingzi.

3. Planting: shallow ditches are opened horizontally on the border surface, with a row spacing of 30-40 cm and a depth of about 3 cm. Then press the plant distance of 17-20 cm, put Lingzi obliquely into the ditch, press the bud head upward and gently press it tightly, it should not be too deep or too shallow, and half of it should be exposed on the soil surface. At the same time, two Ling should be planted at each end of the row, and another row of Ling should be planted every 10 rows for seedling replenishment.

4. Post-planting treatment: cover the node plate of Lingzi with fine soil manure or fire-soil ash mixed compost. Finally, cover the border with a layer of straw to avoid direct sunlight and Rain Water erosion. Use 30-40 kg of Lingzi per mu.

III. Field management

1. Intermediate ploughing and weeding: Lingzi was covered with fine compost or soil dung after planting, and the cover was removed after half a month, and weeded every 20 days or so. The lack of seedlings is combined with mid-tillage for seedling replenishment and weeding for the last time, and soil is cultivated around the rhizome to protect the rhizome from winter.

2. Reasonable topdressing: within 2 months after planting, Ligusticum chuanxiong was concentrated topdressing 3 times every 20 days, and the last application was required before Frosts Descent. The amount of fertilizer applied per mu is 1.2t of farm manure, 30kg of cruller, 100kg of plant ash, 25kg of ammonium sulfate, 40kg of superphosphate and 10kg of potassium sulfate. When the stems and leaves grow rapidly in spring, the amount of fertilizer applied is the same as before.

IV. Pest control

1. Leaf blight: it mostly occurs from May to July, when the disease occurs, the leaves produce brown and irregular spots, and then spread to the whole leaf, resulting in the death of the whole plant leaves. At the initial stage of the disease, 65% Dysen zinc solution was sprayed, or 1000 times solution was sprayed with 50% acetaminophen, or 100 Bordeaux solution was sprayed with 1% ribavirin or 100% Bordeaux. Every 10 days, 3 or 4 times in a row.

2. Powdery mildew: from late June to July, when the temperature and humidity were high, the disease was serious. First, the disease occurred in the lower leaves, the gray white powder appeared on the leaves and stems, and then gradually spread upward. In the later stage, black spots appeared in the diseased part, and in severe cases, the stems and leaves turned yellow and withered. After harvest, clean up the countryside and burn the diseased leaves of the residual plants. At the initial stage of the disease, 1500 times of 25% triamcinolone acetonide or 1000 times of 50% topiramine were sprayed with 2 times every 10 days.

3. Stem node moth: during the breeding stage, the stem node moth of Ligusticum chuanxiong was sprayed with 80% trichlorfon 100 times aqueous solution, and paid attention to the control of the first generation of pre-second instar larvae. In the plain area, soak the seeds of Lingzi for 12-24 hours after soaking for several days.

Ligusticum chuanxiong in the market price of about 20 yuan per jin, the profit of planting is still relatively high, if there are conditions, you can plant Ligusticum chuanxiong.