Breeding method for Eucalyptus urophylla*E.grandis clone DH32-43 variety

A clonal, Eucalyptus grandis technology, applied in the directions of botanical equipment and methods, applications, and plant genetic improvement, can solve the problems of soil erosion, insufficient greening in eucalyptus planting areas, and short cutting cycles, and achieve small branches and extremely high efficiency. Ecological benefits, social benefits, and economic benefits have obvious effects

Inactive Publication Date: 2015-01-14
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 strategy o

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  • Breeding method for Eucalyptus urophylla*E.grandis clone DH32-43 variety
  • Breeding method for Eucalyptus urophylla*E.grandis clone DH32-43 variety
  • Breeding method for Eucalyptus urophylla*E.grandis clone DH32-43 variety

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Embodiment Construction

[0024] The inventor has carried out the practice and popularization work of the selection and breeding of new eucalyptus varieties in Guangxi Dongmen Eucalyptus Forest Farm. The detailed process is as follows:

[0025] (1) Female parent: Introduce a batch of 8 Indonesian provenances, afforestation of 15 mu in the rainy season from March to April of that year, establish the experimental E24 Eucalyptus urophylla provenance test, investigate the survival rate and complete the replanting within one week after the afforestation;

[0026] Male parents: A batch of 20 Australian provenances were introduced, and 15 mu of forests were planted in the rainy season from March to April of that year. Experimental E9 tree species and fertilization tests were established. The survival rate was investigated and replanted within one week after planting.

[0027]Select tree species and their individuals in the established E24 provenance test, select the female parent U16, and select the male pare...

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Abstract

The invention discloses a breeding method for a Eucalyptus urophylla*E.grandis clone DH32-43 variety. Firstly, a female parent U16(Eucalyptusurophylla) and a male parent G46(Eucalyptusgrandis) are taken as parents; and the Eucalyptus urophylla*E.grandis clone DH32-43 variety which is consistent in phenotypic expression, stable in inheritance and does not have segregation of character is obtained after castration and bagging, pollen collection, artificial pollination, removal and bagging, seed collection and sowing, and breeding. The variety is characterized in that the leaf base of nursery stock is slightly wide in a seedling stage, blades are sharp and long, edges are in the shape of microwaves, terminal buds are dark red, veins are clear and do not protrude, and stems of seedlings are longer than other products in a young seedling stage; and the Eucalyptus urophylla*E.grandis clone DH32-43 variety has the characteristics of straight trunk shape, uniform forest form, small branches, no diseases and insect pests, large annual average amount of growing stock and obvious economic benefit, and is suitable for large-area and wide-range promotion and planting.

Description

technical field [0001] The invention relates to the field of plant breeding, in particular to a breeding method for the clone DH32-43 variety of Eucalyptus urophylla. Background technique [0002] eucalyptus( Eucalyptus ), also known as eucalyptus, originated in Australia and was introduced into my country in 1890. Guangxi has developed eucalyptus planting for more than 100 years. After the 1980s, a large number of eucalyptus species and provenances were 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 rich economic benefits. According to statistics, 15 achievements such as the introduction and improvement of eucalyptus in Dongmen and the research on high-yield cultivation technology have won the State Forestry Department and the Autonomous Region Progress Award. The economic benefits amounted to more than 10 billion yuan. The planting area of ​​eucaly...

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Application Information

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IPC IPC(8): A01H1/04
Inventor 吴永富兰俊吴兵石前沈云黎怀玲黄光银卢祖俊项东云李炳寿莫继有陈德文张远华覃贵才蒋钰渝朱兵欧健南陈东林唐再生黄全东付淼庞贞武俸荣娣周国福吴满芬梁秀莉梁炳新李丽芳
Owner 广西壮族自治区国有东门林场
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