Method for breeding high-quality new strain of oil-tea camellia
A new strain and high-quality technology, applied in botany equipment and methods, plant genetic improvement, climate change adaptation, etc., can solve the problems of unfavorable development of Camellia oleifera seed oil, lack of comprehensive quality and high-quality new strains, etc., to achieve steady, healthy and sustainable development Development, excellent quality, quick effect
Active Publication Date: 2013-07-17
GUANGXI FORESTRY RES INST
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Problems solved by technology
At present, the improved varieties popularized and applied in our country are mainly high-yield varieties, but because these improved varieties mainly highlight the yield, there is a lack of high-quality new strains with excellent overall quality, which is very unfavorable for the development of high-end markets for Camellia oleifera seed oil at home and abroad, and cannot better meet the targeted uses. Demand for the development of special-purpose products such as health care, medicine and high-end cosmetics series
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example
[0053] From 2006 to 2009, adopting the technical route of selection, measurement and elimination, through the stages of pre-selection, primary selection, re-selection and final selection, 63 excellent trees with excellent characteristics in terms of yield and fruit quality were finally selected. . Taking the content of unsaturated fatty acids and squalene as the main quality evaluation indicators, comprehensive yield, seed oil content, fresh fruit oil content and other main fruit quality trait indicators, the evaluation screened out 7 new lines of high-quality Camellia oleifera, with an unsaturated fatty acid content of 90.32%. ~94.46%, the content of squalene is 0.50%~0.62%, the three-year average oil yield per mu is more than 40kg, the highest oil content of seeds is 60.73%, and the highest oil content of fresh fruits is 10.10%.
[0054] In March 2010, the acidic red soil with a gentle slope of pH 5.0-6.0, loose soil, medium fertility, and good drainage was selected as the a...
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The invention discloses a method for breeding a high-quality new strain of oil-tea camellia. The method comprises the following operating steps of: selecting a superior tree; identifying the quality of oil-tea camellia seed oil of the superior tree; screening the high-quality new strain of oil-tea camellia; and breeding the high-quality new strain of oil-tea camellia, namely propagating the high-quality new strain of oil-tea camellia by grafting by taking an annual oil-tea camellia seedling as a stock, afforesting by using annual or biennial high-quality grafted seedlings to form a cutting orchard or grafting and changing seeds by adopting a top grafting technology, and collecting and applying the high-quality new strain of oil-tea camellia. By the method, a breeding period is short and is only 3-4 years generally, which is shortened by more than 2 years compared with that of the conventional method for breeding high-yield high-quality strain; and the bred high-quality strain has relative content of unsaturated fattyacid 0.9 percent higher than the average level to the maximum, and mostly contains a biological activity ingredient of squalene.
Description
technical field [0001] The invention relates to a method for breeding new strains of forest trees, in particular to a method for quality-oriented breeding of new strains of high-quality camellia oleifera. Background technique [0002] Camellia oleefera (Camellia oleifera Abel.) is a general term referring to species in the genus Camellia with high seed oil content and valuable cultivation and application. It is a unique woody edible oil tree species in my country. Making full use of my country's rich Camellia oleifera resources and giving full play to the potential and functions of Camellia oleifera is not only of great significance to promoting the development of the woody grain and oil industry, ensuring the supply of vegetable edible oil, improving the structure of edible oil, improving people's health, increasing the income of farmers in mountainous areas, and improving the ecological environment. , and has very important strategic significance for maintaining national fo...
Claims
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IPC IPC(8): A01H1/04
CPCY02A40/22Y02P60/40
Inventor 张乃燕陈国臣江泽鹏王东雪黄开顺叶航韦晓娟曾雯珺夏莹莹
Owner GUANGXI FORESTRY RES INST