Grafting breeding method for plukenetia volubilis

A technology of Astragalus and seeds, which is applied in the field of grafting and breeding of woody oil plant Astragalus, can solve problems such as long time and achieve the effects of simple operation, high survival rate and fast growth.

Inactive Publication Date: 2013-11-13
XISHUANGBANNA TROPICAL BOTANICAL GARDEN CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Cutting seedlings need a lot of branches, and it takes 40-60 days from cutting to transplanting in the field, which takes a long time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Rootstock cultivation: dry the newly harvested ripe and plump star oil vine seeds, soak them in warm water at 40°C and cool them naturally for 24 hours, sow the seeds in 8×10 cm nutrient cups filled with flower soil, Sow two seeds in a nutrient cup, put them into a cultivation room at 30° C. (8 hours of light) to grow seedlings. Rootstock preparation: After the seeds germinate, the hypocotyls grow to 5 cm and before the cotyledons are fully expanded, use 0.2% carbendazim wettable powder to sterilize the seedlings of Astragalus, and place them at a distance of about 5 cm from the soil surface of the nutrient cup. Cut off the hypocotyls of the star oil rattan seedlings at the position, cut longitudinally along the middle of the hypocotyls with a blade, and the depth is 7-10 mm, and use them as rootstocks for later use. Scion collection: Collect the twigs of star oil rattan to be grafted in the field. The diameter of the branches is about 5 mm. Cut the branches into 30 cm ...

Embodiment 2

[0023] Repeat embodiment 1, have following difference: each scion comprises 3~5 axillary buds.

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Abstract

The invention discloses a grafting breeding method for plukenetia volubilis. Mature plukenetia volubilis seeds are sown in a nutritious cup filled with flower soil to carry out seedling raising; after the seeds sprout and before hypocotyls grow to 5cm and seed leaves completely expand, seedlings are disinfected and the hypocotyls are cut off and are used as rootstocks for later use; plukenetia volubilis sprouts to be grafted are collected to be used as scions and are inserted into notches of the rootstocks and then the junctions of the scions and the rootstocks are wrapped tightly and bundled solidly by Parafilm sealing films; and grafted nursery stocks are moved into a greenhouse and after the wounds at the junctions of the scions and the rootstocks are healed, the seedlings are exercised for one week and then can be moved into the land to be planted. The grafting breeding method has the characteristics that the grafting breeding method is simple to operate, needs a small number of scion materials, has high survival rate, low cost and high growth speed and can be applied to rapid propagation of superior individual plants and fine varieties; a great amount of high-quality nursery stocks can be propagated in short time; and the grafting breeding method has good market application prospect.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation, and in particular relates to a method for grafting and breeding woody oil plant star oil vine (Plukenetia volubilis L.). Background technique [0002] Star oil vine, also known as South American oil vine and inchi fruit, is a perennial woody vine of Euphorbiaceae (Euphorbiaceae). It originally grew in the tropical rainforest of the Andes in South America and has been used by local residents for more than 3,000 years. Star oil vine has dioecious flowers and same inflorescence, and the fruit is a star-shaped capsule. The young fruit has a smooth and green surface, dark brown when mature, often has 4 to 6 corners, and each corner contains a seed. The weight of a single seed of star oil rattan is about 1.25 grams, the oil content of the seeds is about 40%, and it is rich in protein, vitamins and tocopherol; its oil is rich in polyunsaturated fatty acids, the content can reach more than 85%,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06
Inventor 徐增富牛龙见付乾堂
Owner XISHUANGBANNA TROPICAL BOTANICAL GARDEN CHINESE ACAD OF SCI
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