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1. Reasonable seed selection The fruit of the year's mature young hickory tree is the object of seed collection (the result is too much, the seed is small and stunted, which affects the germination), and the weight of the dried fruit is about 200-220 grains/kg, which is the best (Dabieshan Shell Mountain) Walnut) is harvested after 7-10 days of dew exposure.
2. Careful Storage Because hickory seeds do not have a dormant period, they can germinate as long as the temperature is above 10°C and then sufficient water is available. Therefore, the seeds that have just been picked must be sown in the spring and the seeds must be stored.
2.1 After harvesting the fruit from the stem, remove the skin, go through the water selection, remove the floating seeds, select the sinking seeds, spread thinly in the indoor dry, in the early stage should always turn, to prevent mildew, put the seeds into the bag after drying, Place in a ventilated place and take it out in the next spring.
2.2 After the layered sands have been selected for water selection, the seeds are dried in the shade for 2-3 days, and then they are stored in sand (wet and not sticky and the moisture content is between 3-4%). ​​Generally, they do not exceed three layers. The height is 30-40 cm, and the sand is thick to cover the seeds.
The seeds harvested in the same period were stored using dry storage and sand storage. The seeds were sown in the following spring. The germination rate and the emergence rate of the sand could all exceed 80%, while the dry germination rate was less than 40%.
3. Destroying the shoots in time To ensure that the germination rate of spring hickory seedlings is high, the seedlings are neat and grow well, and the seed after storage must be destroyed before germination.
Peanut spring seeding technology
Pecan is a famous dried fruit and woody oil in China, with high yield and long life. It is loved by the masses because it is a treasure and has obvious benefits. In recent years, various regions have been introduced and cultivated, and the scale of production has been expanded, making Hickory seedlings increasingly scarce and prices rising. However, due to the unique ecological habits of hickory, not only does it have a very limited natural distribution, but also there are many problems such as poor seedling emergence, slow growth, and low preservation. Therefore, to master the spring seedling cultivation technology of hickory is conducive to improving the qualification rate and planting rate of hickory seedlings.