Tea tree cross-breeding method

A cultivation method and tea tree technology, applied in the field of tea tree planting, can solve the problems of low seed-setting rate of hybrid technology, and achieve the effects of good light transmission, reducing damage and improving low seed-setting rate.

Pending Publication Date: 2019-01-04
TEA INST YUNNAN ACADEMY OF AGRI SCI
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  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to solve the technical problem of the low seed setting rate of the existing hybridization technology, and provide a tea tree hybridization cultivation method that improves the flowering quantity of the breeding material, improves the tea tree seed setting rate and reduces labor force

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Embodiment

[0042] The parents selected the tea tree varieties "Zijuan" and "Yuncha No. 1" that had been planted for 4 years, and built a greenhouse in August 2016. The greenhouse adopts a steel frame structure, with a height of 2.8 meters, a width of 6.5 meters, and a length of 16 meters; both ends use 100-mesh insect-proof nets, and the rest are built with PO (polyolefin) membranes. After the greenhouse is built, all the flowers and fruits of the tea trees in the greenhouse are removed; from September to November, the method of artificial cross-pollination is adopted, that is, "Zijuan" and "Yuncha No. 1" are picked respectively from 3 pm to 5 pm The budding flowers of the tea tree are collected separately in the morning of the next day; the petals and stamens at the top of the budding flowers are removed with scissors from 9:00 to 11:00 in the morning, and the pollen of the "Zijuan" tea tree is pollinated to the "cloud" with a brush. On the stigma of the pistil of the tea tree flower of...

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Abstract

The invention discloses a tea tree cross-breeding method. The tea tree cross-breeding method comprises a growth age and a bearing age and comprises the following steps of 1, parent selection, 2, planting, 3, pruning, 4, fertilizer applying, 5, greenhouse building, 6, pollination, 7, branch and leaf thinning, 8, seed harvesting, and 9, seeding. The tea tree cross-breeding method disclosed by the invention has the advantages that clear parental origins of hybrid seeds of offspring is guaranteed by using self-incompatibility of a parent, and the parental origins of the hybrid seeds of the offspring are also easy to distinguish. The tea tree cross-breeding method disclosed by the invention has the advantages that distances between plants is large; and problems such as close growing, crossing and overlapping of tree crown branches, poor ventilation and light transmission, breeding of pests and diseases, easily aged branches and less fruits can be effectively solved. The tea tree cross-breeding method disclosed by the invention can persistently obtain hybrid offspring with consistent properties, can provide a stable cultivation method for cultivation and screening works of tea tree plants and is very suitable for scientific researches and large-scale tea tree plant seedling breeding.

Description

technical field [0001] The invention relates to the field of tea tree planting, in particular to a tea tree hybrid cultivation method. Background technique [0002] Good tea tree germplasm resources are the guarantee for the healthy development of the tea industry, the material basis for production utilization, variety innovation and biotechnology research, and are of great significance to the development of the tea industry. The hybridization of tea trees is one of the main ways of planting innovation and current tea breeding. Yet, be used for the cultivation management method in the tea tree hybridization parent garden at present and all adopt the cultivation management method of production tea garden. The purpose of production tea garden management is to obtain the vegetative growth part (young young shoots), the planting density of tea trees is high, the branches of the crown are densely grown, intersected, overlapped, the ventilation and light transmission are poor, th...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01H1/04
CPCA01H1/02A01H1/04
Inventor 陈林波蒋会兵田易萍孙云南陈春林邓少春徐丕忠朱兴正
Owner TEA INST YUNNAN ACADEMY OF AGRI SCI
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