Idesia polycarpa bud grafting method

A technology of sycamore and sub-buds, which is applied in the directions of botanical equipment and methods, grafting, bud removal agents, etc., to achieve the effects of maintaining high and stable yields, promoting early fruiting, and simple operation

Inactive Publication Date: 2016-03-23
SICHUAN ACAD OF FORESTRY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is aimed at the problem of existing jatropha grafting, to provide a kind of jatropha bud grafting method, improve the survival rate of bud grafting, the quality of grafted seedlings is good, and the 3rd year after grafting bears fruit

Method used

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Embodiment Construction

[0016] On December 10, 2011, 50 seeds of the excellent tree Jatropha were collected in Guangyuan, Sichuan, and stored in sand; on March 10, 2012, the seeds were taken out and the waxy layer on the seed epidermis was removed with plant ash water, and then seedlings were raised; 48 trees germinated .

[0017] On May 15, 2012, the seedlings were transplanted according to the row spacing of 20*30cm and used as rootstocks. When the leaves fell in autumn, 45 rootstock seedlings reached 52-120cm and the ground diameter reached 0.8-1.2cm.

[0018] On March 2, 2013, before the germination of Jatropha japonica, annual branches with a thickness of 0.8-1.2cm without pests and diseases were selected as scions, and they were sawn off on the day of grafting; at the same time, rootstocks in the nursery Carry out watering; Choose March 9th as the grafting date, the local rape blossoms open 5%-8%, and the average temperature of the three days on the 6th-8th has reached 15°C. In the nursery, sa...

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Abstract

The invention relates to an idesia polycarpa bud grafting method and belongs to the technical field of forestry. The idesia polycarpa bud grafting method comprises the following steps that firstly, a stock is cultured, wherein a sapling with the height being 50 cm or above and the ground diameter reaching 0.8-1.2 cm is selected as a stock sapling; secondly, a grafting period is selected, wherein the time when local rape flowers blossom at the proportion of 5%-8% serves as the grafting period; thirdly, a scion is collected, wherein an annual disease-and-pest-free branch with the thickness being 0.8-1.2 cm serves as a scion branch; fourthly, grafting is carried out, wherein the stock is cut off at the part away from the ground by 15-20 cm, a cut is formed in the part 8 cm below the stock cut-off section, a small wood part is reserved on a bud piece, the size of the bud piece is equal to that of the cut of the stock, the cut bud piece is quickly embedded into the cut of the stock, forming layers of the connectors of the cut bud piece and the cut of the stock are aligned, and the combined part is bound with a 0.03 mm plastic film strip. A waterproof kraft paper envelop of 20*10 cm can be further used for sleeving the upper end of the grafted sapling. The bud grafting method is easy to implement, and the average survival rate reaches 90%.

Description

technical field [0001] The invention relates to a method for grafting tree species, in particular to a method for bud grafting of jacaranda, belonging to the technical field of forestry. Background technique [0002] Jatropha is an important woody oil tree species in my country, and its wild communities are widely distributed in Chongqing, Sichuan, Shaanxi, Hunan, Hubei, Anhui and other regions. The tree shape is tall, and the fruit is in a cluster shape. After ripening in September, the color is red and bright, and the yield and oil content are extremely high. Its oil contains high unsaturated fatty acids such as linoleic acid and linolenic acid, which has a preventive effect on hyperlipidemia and cardiovascular diseases, and can be used as edible oil or biodiesel. One of the biomass energy tree species. [0003] In forestry production, the yield and fruit traits of different individual plants of Jatropha japonica are quite different, and the seedlings of Jatropha jatroph...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G1/06
CPCA01G17/005A01G2003/005A01G2/30
Inventor 罗建勋辜云杰刘芙蓉
Owner SICHUAN ACAD OF FORESTRY
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