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Method for selecting and establishing Eucalyptus dunnii Maiden grafting seed orchards

A technology of seeds and grafted seedlings, applied in botany equipment and methods, horticulture, applications, etc., can solve the problems of high price and low quantity of imported Eucalyptus dunen seeds, and achieve remarkable results

Active Publication Date: 2014-10-29
GUANGXI FORESTRY RES INST
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the amount of imported Eucalyptus dunen seeds is small and the price is expensive, and to provide a method for selecting and establishing a grafted seed garden of Eucalyptus dunen, and to establish a grafted seed garden of Eucalyptus dunen in Guangxi, so that the grafted seeds of Eucalyptus dunnium can bloom normally. Developing Eucalyptus Dunn Plantation in my country and Providing Seedlings

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  • Method for selecting and establishing Eucalyptus dunnii Maiden grafting seed orchards

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Embodiment 1

[0013] A kind of selection method of the present invention establishes Eucalyptus durn grafted seed garden, comprises the steps:

[0014] According to the meteorological data, the climate types of different regions in Guangxi were analyzed, and the climate types similar to the original production area of ​​Eucalyptus Dunn were found. Through comparison and analysis, Huashan Forest Farm in Huanjiang County in the northwest of Guangxi was finally selected. At the same time, according to the experience of the introduction and cultivation of Eucalyptus dunen in Guilin and Liuzhou, the test stand of Eucalyptus dunen established at an altitude of 100-150m has a low flowering rate and cannot bear fruit. The forest land of Huashan Forest Farm in Huanjiang County is widely distributed, ranging from 100 to 900m above sea level, so a Dunn Eucalyptus seed orchard was built at an altitude of 200m and 800m respectively. The branches of Dunn's Eucalyptus trees are collected as scions, grafte...

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Abstract

A method for selecting and establishing Eucalyptus dunnii Maiden grafting seed orchards comprises the following steps that (1) acclimatization conditions of Eucalyptus dunnii Maiden are analyzed; (2) regional climate conditions are analyzed; (3) regions in Guangxi are selected to establish the Eucalyptus dunnii Maiden grafting seed orchards, Eucalyptus dunnii Maiden test trees are respectively established in Guilin and Liuzhou, Guangxi province, Eucalyptus dunnii Maiden grafting seed orchards are respectively established at the altitude of 200m and the altitude of 800m in Huashan forest farm in Huanjiang county, follow-up survey on flowering conditions of the seed orchards is continuously carried out, and the result shows that Eucalyptus dunnii Maiden in the Eucalyptus dunnii Maiden grafting seed orchard at the altitude of 800m blooms firmly, and effect is remarkable. The method for selecting and establishing the Eucalyptus dunnii Maiden grafting seed orchards solves the problems that imported Eucalyptus dunnii Maiden has few seeds and are expensive, and the foundation is laid for providing germchits to develop Eucalyptus dunnii Maiden man-made forests in China.

Description

technical field [0001] The invention relates to the technical field of forest tree breeding, in particular to a method for selecting and establishing Eucalyptus durn grafted seed orchards. technical background [0002] Eucalyptus has the characteristics of fast growth, short rotation period and high wood yield, and plays an important and prominent role in the development of forestry in southern my country. With the continuous expansion of eucalyptus cultivation area, the southern tropics and subtropical lands continue to decrease, and the northward movement of eucalyptus has become an inevitable trend, and low temperature is an important factor limiting the northward movement of eucalyptus. The introduction experiment of Dunn's Eucalyptus in my country shows that Dunn's Eucalyptus is a rare eucalyptus species with summer rain type, fast growth and high yield, and strong cold resistance. The preferred tree species for promotion and planting. [0003] Eucalyptus dunen grows r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/06
Inventor 陈健波李昌荣项东云郭东强任世奇周维刘媛卢翠香唐庆兰邓紫宇
Owner GUANGXI FORESTRY RES INST
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