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Cutting propagation method for Coffea arabica

A technology for raising seedlings by small seeds and cuttings, which can be applied in the fields of botanical equipment and methods, horticulture, and application, and can solve the problems of difficult rooting and survival, etc.

Inactive Publication Date: 2016-01-06
YUNNAN DEHONG TROPICAL AGRI RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the domestic reports on coffee cutting seedlings are only about the method of cutting seedlings of coffee agaricus. According to the method reported in the literature, the cutting seedlings of coffee agaricus are not easy to take root and difficult to survive. The traits are fixed and utilized, which can put the existing excellent genetic materials into production and use, and promote the process of improving the varieties of arabica coffee

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] (1) Cultivate straight shoots of Coffea arabica: In October, the mother plant of Coffea arabica is selected for pruning, and after pruning, it is fixed horizontally, and elongated branches grow vertically from dormant buds at each node, which are straight shoots of Coffea arabica.

[0018] (2) Preparation of cutting substrate and container: choose a flower pot with a diameter larger than 40cm for the cutting container, and use river sand and sawdust with a volume ratio of 2:1 as the cutting substrate in the flowerpot. The substrate should be sterilized by high temperature and humidity 2 days before cutting For processing, the matrix is ​​about 30 cm thick.

[0019] (3) Preparation of cuttings: At the end of March next year, select green, uncorked, straight branches with mature leaves, cut them into branches with 3 nodes, cut the leaves so that each cutting retains 2 pairs of leaves, and each leaf leaves 1 / 2 3. Then soak the cuttings in 1000 times carbendazim solution fo...

Embodiment 2

[0025] (1) Cultivate straight branches of Coffea arabica: Select the mother plant of Coffea arabica in February, cut off the top of the plant, and two straight branches grow from the highest node of the branch, which is the straight shoot of Coffea arabica.

[0026] (2) Preparation of cutting substrate and container: choose a flower pot with a diameter larger than 40cm for the cutting container, and use river sand and sawdust with a volume ratio of 2:1 as the cutting substrate in the flowerpot. The substrate should be sterilized by high temperature and humidity 2 days before cutting For processing, the matrix is ​​about 30 cm thick.

[0027] (3) Preparation of cuttings: From the end of May to the middle of June of the following year, select green, uncorked, straight branches with mature leaves, cut them into branches with 5 nodes, and cut the leaves so that each cutting retains 2 to 3 pairs of leaves. Leave 1 / 3 of each leaf, then soak the cuttings in 1000 times carbendazim sol...

Embodiment 3

[0033] (1) Cultivate straight branches of Coffea arabica: Select the mother plant of Coffea arabica in June, cut off the top of the plant, and two straight branches will grow from the highest node of the branch, which is the straight shoot of Coffea arabica.

[0034] (2) Preparation of cutting substrate and container: choose a flower pot with a diameter larger than 40cm for the cutting container, and use river sand and sawdust with a volume ratio of 2:1 as the cutting substrate in the flowerpot. The substrate should be sterilized by high temperature and humidity 2 days before cutting For processing, the matrix is ​​about 30 cm thick.

[0035] (3) Preparation of cuttings: from the end of September to mid-October of the following year, select straight branches that are green, not suberized, and have mature leaves, cut into branches with 3 to 5 nodes, and cut the leaves so that each cutting retains 2 to 3 pairs Leaves, leave 1 / 3 of each leaf, then soak the cuttings in 1000 times ...

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Abstract

The invention relates to the technical field of vegetative propagation of plants, and discloses a cutting propagation method for Coffea arabica. The method comprises the following steps: cultivating cuttings by adopting the method provided by the invention; subjecting the cuttings to dipping in an NAA solution with a concentration of 3000 mg / L for 3 to 6 s; and inserting the treated cuttings into a substrate composed of river sand and sawdust and carrying out moisturizing cultivation for 3 to 4 months, then carrying out transfer to a seedling-breeding basin, and carrying out later-stage seedling hardening so as to obtain Coffea arabica cutting seedlings. According to the invention, the survival rate of the Coffea arabica cultivated by cutting propagation surpasses 80%, so the disadvantage of extremely-low rooting rate in the prior art is offset; and far-reaching significances are obtained for preservation of Coffea arabica seed sources and direct utilization of low-generation elite hybrid seeds.

Description

technical field [0001] The invention relates to the technical field of plant asexual propagation, in particular to a method for cutting propagation of coffee agaricus. Background technique [0002] Coffea arabica (Coffea arabica L.) is a perennial evergreen shrub or small tree of the Rubiaceae (Rubiaceae) genus Coffea. It is also an important tropical economic crop. Plants, although the variability of hereditary traits in seeded progenies is small, there are also about 5% to 10% of the natural variation rate introduced by alienation pollination. Therefore, using the seed breeding method, the conservation of genetic characteristics of germplasm resources and the fixation and There are certain flaws in use. [0003] Cutting is one of the vegetative propagation techniques and is a common method for propagating plants. Cutting propagation can better maintain the genetic characteristics of tree species or varieties, and has the advantages of rapid, high-quality, and efficient pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00
Inventor 白学慧张洪波李锦红周华夏红云郭铁英杨积忠萧自位李守岭
Owner YUNNAN DEHONG TROPICAL AGRI RES INST
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