Techniques of sowing and raising seedlings of Lycium barbarum

Seed sowing and breeding, that is, sexual reproduction. It uses seeds to reproduce seedlings. The advantage of this method is that it can produce a large number of seedlings in a short time, meet the urgent need for seedlings in production, and is low in cost and easy to master. The disadvantage is that the variability of the production seedlings is great, the excellent characters of the mother tree can not be maintained, and the fruit is late and the quality is poor. However, considering the need of a large number of seedlings in production at present, although this method has some shortcomings, it still has certain application value.

Seed preparation: there are many varieties of Lycium barbarum, but Ningqi l, Ningqi 2 and hemp leaf are better. Therefore, the large fruits of the above excellent varieties should be selected for seed production. Small fruits with mixed quality should not be used for seed production, so as not to reduce the seed quality.

Making seeds: making seeds from Chinese wolfberry fruit can be divided into the following steps: ① fruit soaking. If you use dried fruit to produce seeds, you should soak the dried fruit in water until the pericarp is swollen and rotten, but if you use fresh fruit to produce seeds, you don't have to soak. ② fruit is crushed. Crush the swollen fruit or fresh fruit so that the seed is completely separated from the pulp. ③ washing. After crushing the fruit, put an appropriate amount of water to wash, pour out water juice, peel and suspended empty seeds and other impurities, after several times of washing, sink in the bottom of the basin are full seeds. ④ seeds are dried. Spread out the full seeds and dry them. After drying, store them in a cool, dry place. Generally speaking, about 0.1 kg of seeds can be produced per kilogram of dried fruit. What is the germination rate of seeds? 4 "information" file stop round gray cap 4 "swelling hard" frame?

Sowing time: Chinese wolfberry can be sowed in spring, summer and autumn, but more in spring in production. After sowing in spring, under the conditions of suitable temperature and humidity, the seeds germinated and unearthed, and the seedlings also had a longer growth period, which could be planted in the nursery in autumn or the following spring. The seeds of Lycium barbarum are small, with a thousand seeds weighing about 1 gram, and it takes only 0.2 kg for every 667 square meters to sow.

Sowing method: divided into water sowing method and dry sowing method. ① water sowing method. When sowing, mix the seeds with 10 times fine sandy soil, then use a hoe to open a 0.3 cm 0.5 cm wide sowing ditch on the prepared nursery with a row spacing of 40 cm, and sow along the ditch. After sowing, cover the soil with a thickness of about 0.3ft 0.5 cm, or use your feet slightly without covering the soil, so that the seeds are in close contact with the soil, then irrigate once shallowly with water, and then irrigate again after 2-3 days when the surface is not wet. Regular irrigation before seed germination and soil emergence to keep the surface moist is beneficial to seed germination and seedling growth. This method has the advantages of fast sowing, neat emergence, high emergence rate and simple operation. ② dry sowing method. It is different from the water sowing method in that it covers the soil according to soil properties and soil moisture after sowing, with a thickness of 1-2 cm. Sandy soil, poor soil moisture, thicker soil cover; clay soil, good soil moisture, thinner soil cover. Do not irrigate immediately after covering the soil, if the weather is dry after sowing, the soil moisture is poor, and it does not sprout for a long time, shallow irrigation with small water can also be used to promote seed germination.

In order to make the seeds emerge early after sowing, the seeds can be germinated before sowing. 1 part of the seed mixed with 10 parts of fine wet sand, mixed well and placed in a room of about 20 ℃, covered with plastic film, sprayed with water once a day to maintain a good temperature and humidity, generally sowed when half of the seeds were white (germinated). Sow seeds when the temperature and humidity are suitable in summer, and sprout and unearth a week later.