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A technique for eucalyptus and tissue culture seedlings, applied in the directions of botanical equipment and methods, cultivation, horticulture, etc., can solve the problems of reducing afforestation costs, being unable to effectively resist diseases, insects, weeds, etc., achieving low cost, avoiding ecological impact, The effect of high survival rate of afforestation
Inactive Publication Date: 2010-02-03
云南省现代农林投资有限公司
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[0003] The purpose of the present invention is to aim at the shortcomings that the seedlings cultivated by the above-mentioned existing eucalyptus seedling cultivation technology cannot effectively resist diseases, insects, and weeds, analyze and study from the biological physiological angle and the biophysical angle, and provide a kind of eucalyptus that can effectively improve the survival rate of afforestation. Seedling cultivation method, using hole tray cutting seedlings (tissue culture seedling hole tray transplanting), the method of container transplanting to cultivate large seedlings, thereby greatly improving the survival rate and preservation rate of afforestation, and greatly reducing the cost of afforestation
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Embodiment 1
[0023] Embodiment 1 hole tray cutting seedlings are implemented according to the following steps:
[0024] 1. Selection of nursery land
[0025] Choose a gentle slope land with flat terrain, good drainage, and convenient irrigation to remove weeds. After cleaning, disinfect with formalin, and mix in appropriate amount of carbofuran to prevent and control ants, and make the bed level.
[0026] 2. Seedbed preparation for plug trays
[0027] Use bamboo slices to build a bamboo shelf about 15cm high from the ground, 1.1m wide, and 8-12m long. Place a 105-type seedling tray with a hole depth of 4-5cm and fill it with matrix soil. ‰ of potassium permanganate to disinfect the matrix soil.
[0028] 3. Preparation and disinfection of matrix soil
[0029] The base soil is prepared according to 40% of yellow heart soil + 30% of forest humus soil + 30% of pyrotechnic soil, with 70% thiophanate-methyl wettable powder 30g / m 3 , or use 25% carbendazim wettable powder 30g / m 3 , mix even...
Embodiment 2
[0044] Embodiment 2 tissue-cultured seedling hole tray transplanting cultivation, the selection of step 4 tissue-cultured seedling among the embodiment 1: tissue-cultured seedling selects seedling height 5cm-7cm, long 2cm-5cm of root system, through about a week of seedling hardening, wash medium .
[0045] Step 5 Transplanting the tissue-cultured seedlings into hole trays: transplant the tissue-cultured seedlings directly to the prepared hole-pan seedbeds.
[0046] Step 6 Water and fertilizer management for tissue cultured seedling transplanting: (1) watering and moisturizing: the tissue cultured seedlings have not returned to normal growth, and the humidity in the shed must be kept at 75-85%. Avoid direct watering during the water supply process. Water supply by spraying, preferably with dewdrops on the leaves; (2) heat preservation: take cold protection measures at night in winter to ensure that the seedlings are not damaged by cold; (3) fertilization: transplanted seedlings ...
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Abstract
The invention discloses a method for culturing large eucalyptus seedlings. The method comprises the following technical steps: 1. selection of seedling field; 2. preparation of a plug seedling bed; 3.preparation and sterilization of matrix soil; 4. selection and treatment of ear rods and tissue culture seedlings; 5. cutting and plug transplantation of the tissue culture seedlings, wherein, the cutting seedlings are vertically inserted in the midpoint of holes at depth of 1.5-2cm; and the tissue culture seedlings are directly transplanted to the prepared plug seedling bed; 6. water and fertilizer management; 7. transplantation in vessels: the seedlings are cultured in the plugs for about 50-70 days, and terminal buds are newly extracted to 2-3cm; when the root systems of most of nursery stocks are lumped, the seedlings in the plugs are transplanted to a black polyethylene plastic nursery cup with 8*8 (cm) for culturing the large seedlings; and 8. culture of the large seedlings: the transplanted young seedlings are placed in a shading arched cover for culture, and a shading net is gradually opened for hardening the seedlings at the later period; water and fertilizer management is strengthened; and then the seedlings are removed out of a seedling nursery and planted in a mountain for afforestation in the case of seedling height up to 35-50cm and ground stems up to more than 0.25cm, fertilization is stopped 10 days before afforestation, and the nursery stocks are applied with transferring fertilizer by 0.3% of complex fertilizer once 1-2 days before outplanting.
Description
technical field [0001] The invention belongs to the technical field of plant asexual rapid propagation and seedling cultivation, and in particular relates to a method for transplanting eucalyptus plugs and transplanting tissue cultured seedlings into large seedlings after the plugs are transplanted. Background technique [0002] Eucalyptus is one of the three famous fast-growing tree species in the world. It is a good raw material and an ideal industrial raw material tree species for papermaking, wood-based panels, and plywood. Eucalyptus planting is generally carried out directly from June to July every year with nutrient bag seedlings and hole planting tube seedlings. This planting method is due to the small size of the seedlings, low degree of lignification, poor resistance to harsh environments, and easy to be attacked by insects. Harm; especially for afforestation on barren hills, the survival rate and preservation rate of afforestation are extremely low. In order to i...
Claims
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Application Information
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