Preparatory work

Generally, the cuttings used for cutting evening primrose are usually combined with coring work, and the top tips of plants that are relatively strong, free of diseases and pests and in good condition are selected as cuttings, which are directly cut with the top tips

One of the following substrates can be selected: vegetable garden soil: slag = 3:1; Or garden soil: medium coarse river sand: sawdust (Ru residue) = 4:1:2; Or one of paddy soil, pond mud and rotten leaf soil

Or peat + perlite + ceramsite = 2 parts + 2 parts + 1 part; Vegetable garden soil + slag = 3 parts + 1 part; Peat + slag + ceramsite = 2 parts + 2 parts + 1 part; Sawdust + vermiculite + medium coarse river sand = 2 parts + 2 parts + 1 part

Specific method

The most suitable temperature for Cutting Rooting is 18 ℃ - 25 ℃. If it is lower than 18 ℃, it will be very difficult for Cutting Rooting. If it is higher than 25 ℃, the cutting edge of cutting is easy to be infected by bacteria and rot, so it is necessary to maintain a certain temperature

The cuttings were obliquely inserted into the matrix, and then watered once

Management after cutting

In case of low temperature after cutting, the main thermal insulation measure is to wrap the flowerpot or container used for cutting with film; When the temperature is too high after cutting, the main cooling measure is to shade the cuttings, covering 50% - 80% of the sunlight

after cutting air relative humidity should be maintained at 75% to 85%, can increase moisture by cutting spray, 1 to 3 times a day, when the temperature is high, you can increase the number of times, rainy days will be reduced, but we must pay attention to not over spray, will cause plants infected by pathogens, and then rot. p>

Cutting propagation is inseparable from sunlight. However, the stronger the light, the higher the temperature in the cuttings, the stronger the transpiration of cuttings and the more water consumed, which is not conducive to the survival of cuttings. Therefore, 50% - 80% of the sunlight must be covered after cutting. After the roots grow, the shading net shall be gradually removed. In sunny days, the shading net shall be removed at 4:00 p.m. every day and covered before 9:00 a.m. the next day