Eucalyptus urophylla*grandis clone DH32-26 variety breeding method

A technology of clonal and giant eucalyptus, applied in the direction of botany equipment and methods, application, plant gene improvement, etc., can solve the problems of insufficient greening in eucalyptus planting areas, short felling cycle, water and soil erosion, etc., to achieve orderly forests and obvious economic benefits , the effect of small branches

Inactive Publication Date: 2015-03-11
广西壮族自治区国有东门林场
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Problems solved by technology

[0003] At present, there are many eucalyptus species in my country, such as Eucalyptus urophylla, Eucalyptus grandis, Eucalyptus blue, Eucalyptus durnen, Eucalyptus durn, etc., which can produce a variety of industrial woods; China has entered an ecological society, and the sustainable development strategy has become more and more popular in the world. The more countries and the public pay attention to and recognize it, the sustainable development strateg...

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  • Eucalyptus urophylla*grandis clone DH32-26 variety breeding method
  • Eucalyptus urophylla*grandis clone DH32-26 variety breeding method
  • Eucalyptus urophylla*grandis clone DH32-26 variety breeding method

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Embodiment Construction

[0023] The inventor carried out the practice and promotion of the selection and breeding of new eucalyptus varieties in five areas of Guangxi Dongmen Forest Farm, Guangxi Bobai Forest Farm, Guangxi State-owned Gaofeng Forest Farm, Guangxi State-owned Paiyangshan Forest Farm, and Guangxi State-owned Qipo Forest Farm. The detailed process is as follows:

[0024] (1) Female parent: Introduce a batch of 8 provenances from Indonesia, afforest 67 mu in the rainy season from March to April of that year, establish the test E24 urophylla provenance test, investigate the survival rate and complete replanting within one week after afforestation;

[0025] Male parent: A batch of 20 Australian provenances was introduced, 55 mu of afforestation in the rainy season from March to April of that year, the establishment of the experimental E9 tree species and fertilization test, the survival rate was investigated within one week after afforestation and replanting was completed.

[0026] In the establis...

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Abstract

The invention discloses a eucalyptus urophylla*grandis clone DH32-26 variety breeding method. First, a female parent eucalyptus urophylla U16 and a male parent eucalyptus grandis G46 are adopted as parents; and through the steps of emasculation bagging, pollen collection, artificial pollination, bag removing, seed collection and sowing, and breeding, the eucalyptus urophylla*grandis clone DH32-26 with consistent traits and stable genetic stability, and without trait separation is obtained. The variety has the characteristics of straight trunk, neat forest, small branches, no pest or disease, high average annual accumulation amount, and significant economic benefit. The variety is suitable for large-scale popularization.

Description

Technical field [0001] The present invention relates to the field of plant breeding, in particular to a breeding method for the clone DH32-26 of Eucalyptus urophylla. Background technique [0002] eucalyptus( Eucalyptus ), also known as Eucalyptus, is native to Australia. It was introduced to my country in 1890. Guangxi has developed eucalyptus planting for more than 100 years. Since the 1980s, a large number of eucalyptus species and provenance have been introduced, and nearly A large number of scientific and technological achievements have been obtained through hundreds of researches. At the same time, eucalyptus has brought abundant economic benefits. According to statistics, 15 achievements including the introduction and improvement of Dongmen eucalyptus and research on high-yielding cultivation techniques have won the National Forestry Department and the autonomous region's Progress Award, and achieved direct The economic benefit amounts to more than 10 billion yuan. The plan...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01H1/04
Inventor 项东云韦炬莫启平王国祥张寿德梁郁端韦善华杨建林郑白李琼初李海佳何贵整兰宝国周维何三中黄芳梅陈东林唐再生刘德杰周国福申文辉沈云吴永富张丽君欧长秀
Owner 广西壮族自治区国有东门林场
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