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Breeding method for disease-resistant variety of dendranthema morifolium

A disease-resistant variety, the technology of white chrysanthemum, applied in horticultural methods, botanical equipment and methods, horticulture, etc., can solve the problems of polluting the ecological environment, toxins harming human health, increasing production costs, etc., reducing pests and diseases, reducing secondary The effect of pollution and easy operation

Inactive Publication Date: 2013-12-11
NANJING AGRICULTURAL UNIVERSITY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Extensive use of chemical agents to prevent pests and diseases not only greatly increases production costs, but also seriously pollutes the ecological environment, and residual toxins damage human health

Method used

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  • Breeding method for disease-resistant variety of dendranthema morifolium
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  • Breeding method for disease-resistant variety of dendranthema morifolium

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Embodiment Construction

[0019] (1) Breeding method

[0020] Sheyang County, Jiangsu Province is one of the main producing areas of white chrysanthemums in my country. It has been cultivated for nearly 50 years. Many years of planting have made chrysanthemum diseases worse every year, especially silkworm and wilt. The reason for this problem is It is mainly multi-year continuous cropping. Almost all the land in the town is chrysanthemum cropping land, and 10% to 20% of the land can no longer be planted with chrysanthemums, and other plots are also increasing year by year. Nanjing Agricultural University selected and bred medicinal chrysanthemum disease-resistant varieties. The petals of the local cultivar New White Chrysanthemum were used as explants, and the disease-resistant cell lines induced by chrysanthemum chrysanthemum and Fusarium wilt virus were used to cultivate test-tube plantlets, and then the Planted in Yanmar Town. Cultivated for two consecutive years to investigate the incidence of bact...

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Abstract

The invention discloses a breeding method for a southern blight-resistant and wilt of dendranthema morifolium. The breeding method comprises the steps of selecting the variety, cultivating the resistance, breeding cutting seedlings, breeding the stability and the consistency of a property, conducting a variety comparison test, a production test and disease statistics for continuous two years, and determining the disease-resistant variety NJK-1 of the dendranthema morifolium with the property. The breeding method has the advantages that a research is conducted by screening the disease-resistant variety as an object and integrating indexes such as a yield, the inherent quality and the property of the dendranthema morifolium, so that the disease-resistant variety of the dendranthema morifolium, which is stable in property and good in quality is cultivated; the disease resistance is improved and plant diseases and insect pests are reduced, so that the yield of the dendranthema morifolium is at least increased by 44%, the production costs of an agent for preventing and treating the diseases, manual work and the like are saved greatly, and very good economic and social benefits are generated; the application amount of a pesticide is reduced, so that secondary pollution to an environment is reduced, and a chronic injury to human health is reduced; and the breeding method is convenient to operate, simple, easy, and easy to achieve.

Description

technical field [0001] The invention relates to a method for breeding chrysanthemums, in particular to a method for breeding disease-resistant varieties of white chrysanthemums, and belongs to the field of variety breeding. Background technique [0002] White chrysanthemum (Dendranthema morifolium) belongs to the genus Chrysanthemum of the family Compositae. It is not only a commonly used traditional Chinese medicinal material in my country, but also one of the important export medicinal materials. It is used for wind-heat and cold, headache, dizziness, red eyes, swelling and pain, and dim eyesight. Chrysanthemum has a long history of being used as medicine in my country, and it is listed as top grade in my country's first monograph on pharmacology "Shen Nong's Herbal Classic". Li Shizhen greatly appreciated the efficacy of chrysanthemums, "chrysanthemums can be used as vegetables, leaves can be sipped, flowers can be baited, roots can be used as medicine, sacs can be pillow...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01H4/00
Inventor 王康才汤兴利李丹霞张朋
Owner NANJING AGRICULTURAL UNIVERSITY
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