High-altitude layering propagation method for sympodial bamboo
A high-altitude pressing and secondary technology, applied in the field of plant reproduction, can solve the problems of low seedling raising efficiency, slow afforestation speed and high afforestation cost, and achieve the effects of improving the reproduction coefficient, improving the quality of seedlings and good lignification.
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Embodiment 1
[0020] Example 1 Propagation of clustered bamboo main culms in high-altitude layering in spring
[0021] 1) Seedling season: The seedling season is selected from February to April every year;
[0022] 2) Select mother bamboo: choose 1-3 year-old healthy mother bamboo without diseases and insect pests;
[0023] 3) Select the material part: choose the middle and lower part of the main stalk;
[0024] 4) Material treatment: For the broken shoots of the main culm that have germinated and branched, keep the middle and lower part of the main stalk, with a height of 2 meters, cut off the bamboo branches 1 cm away from the main stalk, and keep the bamboo pocket; The middle and lower part of the main stalk, the height is 2m;
[0025] 5) High-pressure method: choose a plastic bottomless tube bag suitable for the diameter of the main stalk (thickness 1.5 silk, diameter greater than the diameter of the main stalk 6cm, length 30cm), bagging from the top of the main stalk to the bottom, f...
Embodiment 2
[0030] Example 2 Propagation of clustered bamboos in high altitude layering in summer and autumn
[0031] Basically with embodiment 1, difference is as follows:
[0032] 1) Seedling season: The seedling season is from May to October every year;
[0033] 2) select female bamboo: select the healthy mother bamboo of 2-year-old young bamboos for use in that year, wherein the young bamboos of the current year are selected 2-month-old young bamboos that have been lignified;
[0034] 3) Spraying the leaves and watering the rooting agent in the sleeve, the rooting agent is an aqueous solution containing 0.3wt% potassium dihydrogen phosphate and 0.03wt% naphthaleneacetic acid.
[0035] The bamboo seedlings propagated by the above method take root after 1-2 months of branching and leaf expansion, and the root system is semi-lignified in 1 month after rooting, and can be separated and transplanted in the ground. The rooting rate of different bamboo species can reach more than 80%, and ...
Embodiment 3
[0036] Embodiment 3 Congregation bamboo main branch, secondary branch spring and summer high-altitude layering propagation
[0037] see figure 2 , basically with embodiment 1, difference is as follows:
[0038] 1) Select the strong main branch or secondary branch of mother bamboo to carry out high-altitude layering;
[0039] 2) The rooting agent is an aqueous solution containing 0.1 wt% potassium dihydrogen phosphate and 0.06 wt% naphthaleneacetic acid.
[0040] The clump bamboo (bamboo kind is the same as embodiment 1) propagated with the above method, the rooting rate of main branch or secondary branch high-altitude layering all can reach more than 80%, the rooting rate of main branch is slightly higher than the rooting rate of secondary branch, both propagation The survival rate of transplanted seedlings has reached more than 90%.
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