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Method for controlling and promoting cutting seedling raising of Chinese white poplar

A technique for growing seedlings by cuttings and Populus tomentosa, applied in horticultural methods, botany equipment and methods, horticulture, etc., can solve the problems of waste of seedlings and land, difficult operation, and high cost of seedling cultivation, and achieve the goal of increasing ground temperature, increasing survival rate, The effect of strong growth of seedlings

Inactive Publication Date: 2010-06-02
濮阳市林业科学院
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AI Technical Summary

Problems solved by technology

Burying seedlings means burying the whole root seedlings in the ditch and managing them to make the buds produce roots. This method is not easy to manage, wastes seedlings and land, and has a low emergence rate; grafting and covering seedlings with black poplar is used as rootstock. Populus tomentosa is used as a scion, grafted, and the callus produced by sand storage is planted to the seedling field and covered with plastic film. This method is difficult to operate, labor-intensive and time-consuming, and the cost of seedling cultivation is extremely high

Method used

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Examples

Experimental program
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Embodiment

[0021] Example: Populus tomentosa promotes and controls cutting seedlings

[0022] 1. High ridge bed

[0023] The nursery ground should be plowed deep before the soil freezes to facilitate the elimination of underground pests and promote the weathering of the soil. Before cutting, apply 2500kg of farmyard manure, 15kg of ferrous sulfate, and 25kg of phosphate fertilizer per 667m2, and shallow plow to make a seedbed. The height of the ridge bed is 20-25cm, the distance between the center of the ridge is 0.8m, the width of the top of the ridge is 30-40cm, the width of the bottom is 50-60cm, and the slope on both sides is 30-40°. Hold the top of the ridge to keep the seedbed level.

[0024] 2. Collection of seed strips

[0025] Select annual seedlings that grow robustly, develop well, have full bud eyes, and are free from diseases and insect pests as seed strips.

[0026] 3. Cuttings cutting and processing

[0027] Take out the seed strips in early April and cut the cuttings...

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Abstract

The invention discloses a novel forestry seedling raising technology, in particular to a method for controlling and promoting cutting seedling raising of Chinese white poplar. The method mainly comprises the following steps of: heightening a ridge planting seedbed, gathering seed branches, cutting the selected cutting, soaking the selected cutting with 200 ppm naphthylacetic acid aqueous solution, immersing in water for cuttage, physically controlling and promoting management, spraying and applying a 40 ppm naphthylacetic acid aqueous solution, spraying a 300 ppm paclobutrazol aqueous solution, spraying a 20 ppm giberellin aqueous solution, enhancing nursery stock management, and obtaining nursery stock. The method solves the technical problem that Chinese white poplar is not easy to take root and survive through cutting seedling raising, and has simple operation, investment saving, labor saving and time saving; the survival rate of the nursery stock reaches up to more than 93 percent and is improved by 50 to 60 percent higher than that common nursery stock adopting raising seedlings by cutting, the nursery stock regularly and rapidly grows, the percentage of seedling-selling reaches more than 85 percent, and the economic benefit and the social benefit are remarkable.

Description

technical field [0001] The invention relates to a new technology for growing seedlings by cuttings - a method for promoting and controlling cutting seedlings of poplar tomentosa. Background technique [0002] Populus tomentosa is a unique native tree species in my country. It has a long history of cultivation and is widely distributed. Poplar tomentosa has a straight and round trunk, excellent material, straight texture, long and tough fibers, and is easy to process. It can be used in construction, civil, furniture, and papermaking. It has a wide range of uses in the national economy and is a good tree with great development prospects. species. For a long time, the technology of cutting seedlings that restricts the breeding of poplar tomentosa seedlings has not yet been broken, because the cuttings are difficult to take root, and after the cuttings germinate, the seedlings grow back to about 30cm and die, resulting in a low survival rate of cutting seedlings and loss of pe...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G7/06
Inventor 张怀龙张兆欣耿洪亮武宏图张杜娟
Owner 濮阳市林业科学院
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