Method applicable to Samut Polygonum cutting seedling
A technique for growing seedlings by cuttings and Polygonum sandum, which is applied in climate change adaptation, botany equipment and methods, applications, etc., and can solve problems such as low germination rate, limited development and utilization, and high production costs
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example 1
[0020] Select 1-2 year-old branches with good growth, cut them into cuttings with a length of 15cm, leave 2-3 buds below the upper incision, cut them horizontally, and cut obliquely at the lower incision, forming a horseshoe shape. The cuttings were collected on March 5th. Cuttings are stored in three storage methods, i.e. cellar storage, sandy loam sand burial storage and aeolian sand burial storage. Grab a handful of wet sand, the sand will not drip when you hold it hard, and the sand will not scatter when you loosen it), spread the cuttings on the sand, and then cover a layer of wet sand on it, with a thickness of 20cm, cover all the cuttings, and put them on top Spread a straw curtain to keep the humidity in. ②Sand storage treatment in sandy loam soil: Choose a sunny place with flat terrain and sandy soil filled with winter water, dig a pit with a depth of 40cm for sand storage treatment, the length and width of the pit are determined according to the number of cuttings, p...
example 2
[0023] Select 1-year-old branches, 2-year-old branches and 3-year-old branches with good growth respectively as cutting materials, and the cutting method and specifications of the cuttings are the same as in Example 1. Cuttings were collected on April 5th. Put the collected cuttings in moist sandy loam, and after the temperature rises, choose sandy loam for deep plowing, disinfect the soil with 800 times aqueous solution of 25% carbendazim wettable powder, lay black plastic film, and the distance between the plastic films 20cm, sterilize the cuttings of each treatment, and then cut the cuttings, use the cutting cone to open holes, the hole is at an angle of 45° to the ground, insert the cuttings into the hole, the depth is about 12cm, the distance between the cuttings is 10×15cm, and then use sandy soil Fill in the blanks and fill them in with your feet. Irrigate immediately after cuttings, once every 8 to 10 days after irrigation, and gradually reduce the number of irrigatio...
example 3
[0025]Choose well-growing 1-2 year-old branches. The cutting method and specifications are the same as in Example 1. The cuttings are collected on April 5, and the cut cuttings are buried in moist sandy loam for later use. Cuttings are carried out after the temperature rises until mid-April. The test soil is common sandy loam and aeolian sandy soil in arid desert areas. The design method of cutting matrix in aeolian soil is to remove the soil on the sandy soil, the depth is 30cm, the width is consistent with the plastic film, and the length is determined according to the number of cutting seedlings, and then the aeolian soil on the dunes is filled into the pre-dug pits, and the It can also be directly selected for cutting on the sandy soil. On April 20, cuttings were carried out on two types of soils, and the specific cutting and management methods were the same as in Example 2. After two months of cutting, the survival rate of cuttings was investigated. The survival rate of...
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