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Cleft grating method for jatropha curcas seedlings

A technique for Jatropha curcas, seedlings, applied in the direction of soil preparation methods, botany equipment and methods, climate change adaptation, etc.

Inactive Publication Date: 2013-01-02
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

[0051] Carry out by step in content of the present invention, seedling age is to be 8 months, and Jatropha curcas nursery stock ground diameter reaches 2.32cm on average, height reaches 58.3cm on average, without damage by disease and insect damage, seedling growing way is good, as rootstock, the unbinding of once splitting The survival rate is up to 100%. When splitting and transplanting in the same year, the rate of flowering and fruit setting is 80%.

Embodiment 2

[0053] Proceed as follows:

[0054] Transportation: The location of the nursery should be chosen in a place close to the afforestation site and with convenient transportation, so as to minimize transportation costs and seedling transportation losses;

[0055] Terrain: The nursery should be located in a place with dry terrain, good drainage, and a slope not exceeding 3-5°. Try to choose areas with sunny slopes, good sunlight and long sunshine;

[0056] Soil: It is the soil of the nursery. It is generally required that the soil layer should be deep (at least greater than 60cm), high in fertility, loose in structure, and well-ventilated loam or light loam or sandy loam. Do not choose dry, compacted heavy loam, paddy soil is used for seedling raising; the water source mentioned is that the nursery should be selected in a place with sufficient water, and the groundwater level is low. Generally, the sandy soil is 1-1.5 meters, and the sandy soil is below 2.5 meters. should. In sh...

Embodiment 3

[0093] Proceed as follows:

[0094] Transportation: The location of the nursery should be chosen in a place close to the afforestation site and with convenient transportation, so as to minimize transportation costs and seedling transportation losses;

[0095] Terrain: The nursery should be located in a place with dry terrain, good drainage, and a slope not exceeding 3-5°. Try to choose areas with sunny slopes, good sunlight and long sunshine;

[0096] Soil: It is the soil of the nursery. It is generally required that the soil layer should be deep (at least greater than 60cm), high in fertility, loose in structure, and well-ventilated loam or light loam or sandy loam. Do not choose dry, compacted heavy loam, paddy soil is used for seedling raising; the water source mentioned is that the nursery should be selected in a place with sufficient water, and the groundwater level is low. Generally, the sandy soil is 1-1.5 meters, and the sandy soil is below 2.5 meters. should. In sh...

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Abstract

The invention discloses a cleft grating method for jatropha curcas seedlings. The method includes the steps of soil preparation, sowing, nursery stock management, cleft grating time, a cleft grating method, cleft grating post-management and afforestation. The jatropha curcas seedlings cultivated as stock are fast and even in growing, good in a growing way and free of disease and insect pest infection. Germination rate and unbinding survival rate of once cleft grating are as high as 96.5%. When cleft grating is conducted 20 days before germinating of jatropha curcas in spring, blooming rate and yield can reach 80% at the end of June and can reach 100% next year. After the cleft grating technology is adopted for propagation, an initial period of flowering is 2 years earlier than common seedling planting. The method is a good propagation method for good varieties of the jatropha curcas at present.

Description

technical field [0001] The invention relates to a splitting technique of Jatropha curcas, in particular to a method for splitting Jatropha curcas seedlings. 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. Alternate single leaves, ovoid, nearly equal in length and width, 3-5 lobed or not divided, heart-shaped at the base, with 2 points of yellow-green glands, 5-7 veins, palmately arranged, petiole up to 15cm or more. Flowers are unisexual, monoecious, arranged in visceral or terminal clusters; corolla yellow-green, 5 male flowers, female...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06A01G1/00A01B79/02A01G13/00
CPCY02A40/22Y02P60/40
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
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