How to make vermiculite cutting seedling raising method

1. Select a plot with high terrain and good ventilation for seedbed production. Build a brick cutting bed with a height of 20cm, a width of 1 m and a length of 2-3m, and fill it with vermiculite with a thickness of1.5cm.. The tap water pipe is installed at the middle line above the seedbed, and a sprinkler is installed every1m. In early May, a shade shed was built to prevent scorching sun and heavy rain.

2. Cutting treatment: tender and vigorous 23-year-old branches are selected as cuttings, cut into 10 ~ 15cm long and quickly immersed in 1000ml NAA solution. All cuttings should remove the leaves inserted in vermiculite and keep the green leaves of the buds.

3. Cutting method The cuttings are directly inserted into vermiculite, with a row spacing of 8 cm and a cutting depth of 6 to 8 cm, neither too shallow nor too deep. Due to the high temperature in the upper layer and low temperature in the lower layer of vermiculite, from the rooting situation, most of the healing tissues and adventitious roots of cuttings are planted in 6-8 cm, so it is difficult to regenerate roots.

4. Management after insertion. Keeping the leaves moist after insertion is the key to survival, and it is necessary to spray frequently. When the weather is hot, spray more times, the interval should be short, and do not spray water in the morning and evening.

5. Transplanting seedlings should be transplanted in time when most roots of cuttings grow to 4 to 6 cm, because vermiculite can only promote rooting, and cuttings do not have enough nutrients to continue to grow and germinate. Transplanting should be sooner rather than later. The method is to choose loose, fertile, ventilated, permeable and humus-rich plots as seedbeds with a spacing of 20 ~ 30 cm. Dig the root seedling with a shovel, put it into the planting hole together with vermiculite around the root, fill the hole with soil and gently compact it. Water and irrigate immediately after planting, build a shade shed about 1.2 meters high, spray water every day during the slow seedling stage, keep the leaves moist, and pay attention to the water situation at any time, so that about 50% of transplanted seedlings can survive and grow normally.