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A method for dwarfing and pruning mother trees in Chinese fir seed orchard to increase yield

A technology of dwarf pruning and fir, which is applied in the field of dwarf pruning and high yield of mother trees in fir seed gardens, can solve the problems of tall trees, low seed yield, and difficulty in seed collection, so as to reduce the cost of seed collection, increase yield and quality, and alleviate the huge demand Effect

Active Publication Date: 2020-08-07
乐昌市龙山林场 +1
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Problems solved by technology

[0004] In order to overcome the problems of tall tree body, difficult seed collection and low seed yield in Chinese fir seed garden, the purpose of the present invention is to provide a method for dwarfing, pruning and high-yield mother tree in Chinese fir seed garden

Method used

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  • A method for dwarfing and pruning mother trees in Chinese fir seed orchard to increase yield
  • A method for dwarfing and pruning mother trees in Chinese fir seed orchard to increase yield
  • A method for dwarfing and pruning mother trees in Chinese fir seed orchard to increase yield

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Embodiment

[0071] A method for dwarfing, pruning and high-yielding of mother trees in Chinese fir seed garden, the test site is Lechang Forest Farm, Shaoguan City, Guangdong Province, comprising the following steps:

[0072] (1) Cultivation of Chinese fir seed stock:

[0073] Soak the Chinese fir seeds collected in the year with excellent characteristics in clear water at 25°C for 24 hours, take out the Chinese fir seeds and dry them, spread them evenly on the seedling bed, then cover them with 0.5cm thick yellow heart soil, and finally cover them with grass curtains to keep water and moisture , after two cotyledons are unearthed, open the grass curtain, loosen the soil and weed, thin out the over-dense seedlings, cultivate annual seedlings, and plant the annual seedlings in the seed garden as rootstocks, that is, set the rootstocks. The density of seedling stock is 3m*3m, timely fertilization, tending, and rootstock cultivation.

[0074] (2) Grafting:

[0075] Select a rootstock with ...

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Abstract

The invention discloses a pruning high-yield method for dwarfing of seed trees of a cedar seed garden. The method comprises the steps of cultivation of cedar seedling rootstocks, grafting, primary topcutting, primary short cutting for side branches, secondary top cutting, secondary short cutting for side branches, later shaping and pruning and tending and management. According to the method, seedtrees with several years old in the cedar seed garden are subjected to top cutting multiple times, main branches and first-level side branches are subjected to short cutting multiple times, the treevigor of the seed trees of the seed garden is effectively controlled, and sprouting of fruiting branches is greatly promoted; the yield of seeds of the cedar seed garden is obviously increased, the quality of the seeds of the cedar seed garden is obviously improved, quick popularization of good cedar seeds is promoted, and the problems of high and large trees, difficult seed collection, low seed yield and the like of the cedar seed garden are overcome.

Description

technical field [0001] The invention belongs to the technical field of cultivation of timber tree species, and in particular relates to a method for dwarfing, pruning and high-yielding mother trees in Chinese fir seed orchards. Background technique [0002] Chinese fir (Cunninghamia lanceolate (Lamb.) Hook) belongs to the genus Cunninghamia lanceolata, and is one of the main timber tree species in China. It has a long history of cultivation in my country. Chinese fir grows fast, is light in material, does not scratch or crack, is straight and smooth in dryness, resists decay and moth, and has high economic value. As of 2014, my country's fir forest area reached 10.96 million ha 2 , accumulating 726 million m 3 , accounting for 6.66% and 4.91% of the main dominant tree species area and stock in the country respectively. It plays an important role in the development of my country's forestry industry and is widely distributed in more than ten provinces and cities in southern ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G2/35A01G17/00A01G7/06A01C1/00A01C21/00
CPCA01C1/00A01C21/005A01G2/35A01G7/06A01G17/005
Inventor 林军欧斌李畅赖旭恩韩璐邹卫民欧述荣陈良柏朱江华
Owner 乐昌市龙山林场
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