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Barbadosnut sapling cleft grafting method

A technology of jatropha curcas and saplings, which is applied in the field of splitting to achieve the effect of shortening the vegetative growth period

Inactive Publication Date: 2014-04-16
云南神宇新能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, Jatropha curcas planting technology and management technology are still in the development stage, especially the cultivation and promotion of fine varieties are in the exploratory stage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Proceed as follows:

[0032] afforestation:

[0033] Site preparation method:

[0034] Strip land preparation is an important land preparation method in mountainous, hilly and grassland areas. Mountainous and hilly belt-shaped land preparation should be carried out along the contour line, and its forms include horizontal steps, horizontal troughs, reverse slope terraces, etc. The width of the belt-shaped land preparation is more than 60cm, and the length of the belt is determined according to the topography. It cannot be too long, and 0.6 of the natural vegetation should be reserved at every certain distance. The depth of site preparation for jatropha forest afforestation should be greater than 40cm, and the site preparation depth in flat areas can be determined according to the size of seedlings.

[0035] Land preparation time: Land preparation can be carried out throughout the year, and is generally carried out on a large scale during and after the rainy season. T...

Embodiment 2

[0054] Proceed as follows:

[0055] afforestation:

[0056] Land preparation method: Strip land preparation is an important land preparation method in mountainous, hilly and grassland areas. Mountainous and hilly belt-shaped land preparation should be carried out along the contour line, and its forms include horizontal steps, horizontal troughs, reverse slope terraces, etc. The width of the belt-shaped land preparation is more than 60cm, and the length of the belt is determined according to the terrain, and cannot be too long, and 0.8 of the natural vegetation should be reserved at a certain distance. The depth of site preparation for jatropha forest afforestation should be greater than 40cm, and the site preparation depth in flat areas can be determined according to the size of seedlings.

[0057] Land preparation time: Land preparation can be carried out throughout the year, and is generally carried out on a large scale during and after the rainy season. The row spacing o...

Embodiment 3

[0076] Proceed as follows:

[0077] afforestation:

[0078] Land preparation method: Strip land preparation is an important land preparation method in mountainous, hilly and grassland areas. Mountainous and hilly belt-shaped land preparation should be carried out along the contour line, and its forms include horizontal steps, horizontal troughs, reverse slope terraces, etc. The width of the belt-shaped land preparation is more than 60cm, and the length of the belt is determined according to the terrain, and cannot be too long, and 1.0m of natural vegetation should be reserved at a certain distance. The depth of site preparation for jatropha forest afforestation should be greater than 40cm, and the site preparation depth in flat areas can be determined according to the size of seedlings.

[0079] Land preparation time: Land preparation can be carried out throughout the year, and is generally carried out on a large scale during and after the rainy season. The row spacing of f...

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PUM

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Abstract

The invention discloses a barbadosnut sapling cleft grafting method, which comprises steps including field plantation, tree management and cleft grafting. Management of planting trees in field comprises the steps of sawing off stocks into 40cm sections while planting, selecting from produced buds in four directions sprouts that are full and free from plant diseases and insect pests to cultivate first-order branches 4-5 as stocks to be cleft grafted in the next spring. The survival rate of one-time cleft grafting is 96% and current-year flowering rate of current-year cleft grafting reaches 100%.

Description

technical field [0001] The invention relates to a split grafting technique, in particular to a split grafting technique for jatropha saplings to germinate rapidly and grow rapidly. Background technique [0002] Jatropha curcas is an evergreen or semi-deciduous shrub or small tree species in the Euphorbiaceae Jatropha genus in plant taxonomy. It is generally 1.5-4.0m high, up to 10m high. The root system is very developed, the trunk and branches are thick, and the diameter of the trunk can reach more than 20cm. The old trunk is gray-brown, the branchlets are gray-green to tender green, the branches are smooth, the pith is developed, and the trunk is soft to hollow. Single leaves alternate, ovoid, nearly equal in length and width, 3-5 lobed or not, heart-shaped at the base, with 2 points of yellow-green glands, 5-7 veins, palmately arranged, petiole more than 15cm long. Flowers are unisexual, monoecious, arranged in visceral or terminal clusters; corolla yellow-green, 5 mal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/06
Inventor 罗方书苟平施顺李赵世珉尹存波尹军赵锐钢杨方旭辛培尧
Owner 云南神宇新能源有限公司