Nowadays, many crops can be improved by grafting. Do you know that eggplant can also increase the income through grafting? Reasonable use of eggplant grafting technology can effectively control these soil-borne diseases, and planting benefits will be improved. Let's take a look at the eggplant grafting method.
First, the grafting method
When the eggplant seedlings grow two true leaves, they can be divided into seedlings. When six or so true leaves are grown, they can be grafted. Generally, the method of splicing is used. After the seedlings are dug out, the rootstocks are kept. The true leaves around.
Cross the rootstock stem, remove the upper part of the rootstock, and then squat about 1.2 cm under the stem of the traditional Chinese medicine, remove the scion seedlings, and retain 3 true leaves. Cut it into a wedge-shaped noodle, the length should be as long as the interface, and the cut should be smooth and flat. Then insert the cut scion into the rootstock interface, align them with each other and fix them with grafting clips.
Second, choose the rootstock
The grafted rootstock of eggplant should be selected from the group consisting of citrus, thorn and torubam. These rootstocks have different disease resistance. For example, Pingzhi is mainly resistant to Fusarium wilt, bacterial wilt, etc., and the germination rate of seeds and the survival rate of grafting are relatively high.
However, it is not advisable to choose a rootstock for serious soil-borne diseases. The thorns are mainly resistant to Verticillium wilt. They are the most commonly used rootstocks. Soaking seeds for about a day can almost all germinate. Toru Bam is basically able to resist most of the soil disease, but the seed germination rate is not high, soaking seeds and germination. Therefore, we must select the rootstock according to the degree of soil disease and the planting area, and prepare for grafting.
Third, the seedbed preparation
After preparing the rootstock, control the ratio of soil to decomposed farmyard manure, and prepare it into nutrient soil. After preparation, disinfect the bed soil. The disinfectant can be mixed with the soil using quintal nitrobenzene and zinc sulphate, and then covered with the mulch for about 3 days. Then prepare the seeds according to the area of ​​the seedbed. The thickness of the nutrient soil is about 10 cm, and the water is poured to improve the moisturizing ability of the soil and wait for planting.
Fourth, processing seeds
In the weather with the sun, it is necessary to carry out the sun-baking work. The drying time is controlled in 7 hours, and then soaked for 0.5-1 hour with potassium permanganate or carbendazim. After immersing, remove it and clean it, then put it into warm water of about 30 degrees. If the rootstock is Torumba, prepare a 100% concentration of germination agent. After soaking for about 8 hours, clean the mucus on the seed coat, then wrap it with a damp cloth for germination. The temperature is controlled at about 18 degrees. It is washed twice with warm water every day and can be germinated in about one week.
V. Seeding management
The timing of the seedlings will vary depending on the rootstock. The stalks should be sown about a week in advance, and the thorns should be sown about 1-3 weeks in advance. Toru Bam’s words should be about one month in advance. Then wait until about 85% of the seed buds grow to about 2 mm, sow them evenly on the seedbed, cover the nutrient soil and the mulch to keep warm. The temperature is controlled at about 29 degrees, and the temperature at night is not lower than 20 degrees. After the seedlings are unearthed, the film can be uncovered. After a week, the temperature is controlled at about 22 degrees. After the emergence, the nutrient soil is sprinkled twice to promote nutrition. absorb.
Six, matters needing attention
The soil-borne disease of eggplant is very serious, and the pathogen of soil-borne diseases can survive in the soil for 4-6 years. And the effect of pesticide control is very low, so eggplant can not be planted again, must be rotated.
The above is the key point of grafting technology of eggplant. I hope to help the friends of the farmers who have the needs. If you have better planting experience, you can also share the message!
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