The use of vegetable leaves for asexual reproduction, used for cabbage, cabbage, broccoli, mustard, radish and rape, etc., seedling rate of up to 80% to 90%. The plants that survived the cuttings were lightly diseased and the amount of seeds was high, and the genetic traits of the offspring were stable. Blade cutting cultivation techniques are as follows:

The production of nursery seedbeds requires a high topography, smooth drainage, good ventilation, smooth bed surfaces, loose and fertile bed soil, and a layer of 1-2 cm thick yellow sand on top to become a sand and mud double seedbed.

The selected parent strain is selected as a parent strain retaining the superior pest-free plant with the characteristics of this variety. The leaf of the middle part of the leaf bulb is used for cutting. The base of the petiole needs to be accompanied by axillary buds and some sub-basal tissues. When the bud is not germinated, the incision needs to leave the petiole. The center of the base.

Hormonal treatment will cut the incision in the lower part of the stem and immersed in a concentration of 2000ppm of indole acetic acid solution 2-3 seconds immediately after the removal, pay attention to axillary buds can not be immersed in the liquid, so as not to inhibit germination.

After the leaves of the cuttings are soaked in the hormone solution, the cuttings can be placed on the seedbed, and the bed temperature is maintained at 15°C to 25°C. Humidity is kept between 70% and 80%, avoid direct sunlight, and germinate 7-8 days after sowing.

The transplanted colonized leaves were rooted and germinated and transplanted into the nutritional bowl. To the middle and late February of the following year, the value will be set in isolation in Datian. The spacing between the rows is 5460 cm. The field management is the same as that of ordinary reserved seeds.

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