Soybean cultivation by distant grafing and vegetative hybridization

A technology of vegetative hybridization and new varieties, applied in the fields of botanical equipment and methods, applications, plant genetic improvement, etc.

Inactive Publication Date: 2006-03-15
商丘市国佳农业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The method of cultivating new soybean varieties through distant grafting and asexual hybridization using Dioscoreaceae yam or Euphorbiaceae plant castor as rootstock and soybean as scion has not been reported at home and abroad.

Method used

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Embodiment Construction

[0006] The technical method that the present invention adopts is: 1, the application of yam and soybean grafting. Cultivate and develop strong yam seedlings as rootstocks; cultivate new soybean buds as scions; graft soybean sprouts to the near-ground stems of yam seedlings. And cultivate its natural flowering and fruiting. The seeds produced by self-pollination were harvested and sown naturally, and the mutant soybean plants that were obviously different from the original scion soybean appeared in the offspring. The seeds of the mutant plants were harvested and sowed again until the selected traits were stably inherited. A new variety of yam soybean was bred by this method. 2. The application of castor and soybean grafting. Cultivate strong castor plants as rootstocks; cultivate new soybean buds as scions; graft soybean sprouts to the near-ground stems of castor plants. And cultivate its natural flowering and fruiting. The seeds produced by self-pollination were harvested...

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Abstract

A method for culturing the new variety of soybean by distant grafting and asexual hybridization includes such steps as providing strong yam stem (or castor stem) stock, providing soybean sprout as scion, grafting the scion onto said stock, culturing, natural blossoming and fruiting, collecting the seeds, natural sowing, choosing the plants with obvious character variation, collecting their seeds, sowing, and repeating the steps until the chosen characters have stable inheritance. Its advantages are high yield and high resistance to diseases.

Description

technical field [0001] The present invention relates to obtaining hybrids by asexual hybridization of Dioscoreaceae yam, Euphorbiaceae castor and leguminous common soybean, cultivating, selecting and creating new soybean varieties. Distant grafting variation is the resistance variation induced by grafting growth stress. Its main significance is that it can break the restriction of intraspecific genes and provide new materials for artificial selection. Every part of a plant organism has the ability to restore and transmit its parental heredity, and asexual hybridization is to change the heredity of its offspring in time through the interaction between living substances. Background technique [0002] Soybeans originated in my country. Its ancestor, the wild soybean Glycinesoja Sied.et Zucc, is widely distributed in my country and has a history of about 3000 years ago. Many ancient books in our country once called soybeans as bean. In the "Book of Songs", there is a record: "...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H1/02
Inventor 孟昭璜
Owner 商丘市国佳农业科技有限公司
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