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Method for promoting torreya grandis to be naturally pollinated

A kind of Torreya torreya, a natural technology, applied in the field of plant cultivation, can solve the problems of poor pollination, etc., and achieve the effect of benefiting pollen concentration, saving manpower and labor, and uniform pollen concentration

Inactive Publication Date: 2015-05-06
方乐金
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the invention is to solve the problem of poor pollination caused by dioecious plants in Torreya orchard

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1, a kind of method that artificially promotes Torreya torreya " monoecious plant ", realizes sufficient natural pollination

[0018] Location: Zhentou Forest Farm, Jixi County

Embodiment approach

[0020] Grafting material: The scion is an excellent strain of three male trees with high pollen amount in early flowering stage, middle flowering stage and late flowering stage. The branches of the female tree are large seedlings grafted with excellent clones of Torreya torreya 5 years old, and they have begun to bloom and bear fruit. According to the opening time of female flowers, they are divided into three flowering periods: early flowering period, middle flowering period and late flowering period, corresponding to the early flowering period, middle flowering period, late flowering period of grafted male trees. 3 excellent lines of male trees in the flowering period, so as to completely cover the whole flowering period of the mother plant of the female tree.

[0021] Grafting method: pith cambium butt jointing method (cutting of spikes to the pith, and cutting of female branches to cambium).

[0022] The grafting operation steps are:

[0023] 1) Production of male tree sc...

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Abstract

The invention discloses a method for promoting torreya grandis to be naturally pollinated. The method comprises the following steps: selecting scions of male torreya grandis in different flowering stages, and respectively adaptively grafting onto the lower branches of female stock plant, thus meeting the demand of female torreya grandis at different flowering stages. Through the reasonable flowering stage arrangement of the female torreya grandis and the male torreya grandis, the monoecism of torreya grandis can be artificially promoted by adopting a method for grafting the scions of the male torreya grandis below the lateral branches of the female plant, so that the natural pollination can be realized, and the problems that the current torreya grandis orchard is bad for natural pollination, the cost for artificially assisted polliination is overhigh, and the pollination is untimely due to short flowering stage can be solved. The purposes of completely realizing natural pollination in the torreya grandis orchard, saving labor force, increasing the number of fructified plants in the torreya grandis orchard and improving the yield can be achieved.

Description

technical field [0001] This patent relates to plant cultivation technology, in particular to a method for promoting natural pollination of Chinese torreya. Background technique [0002] Due to the dioecious species of Torreya torreya, domestic Torreya torreya gardens all adopt a certain proportion of male trees (2%~3%) specially configured in Torreya torreya garden at present, for the pollination needs of female trees. These male trees occupy a certain forest area and cannot produce fruit. At the same time, the position of the male tree is affected by the wind direction, and the concentration of pollen in different woodland parts is different, so it is difficult to distribute evenly in the garden. The flowering period of different female trees and male trees differs by more than 20 days, and it is difficult to fully meet the flowering periods between female trees and male trees. The above reasons all lead to poor pollination of female trees and affect yield. However, incr...

Claims

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Application Information

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IPC IPC(8): A01H1/02A01G1/06
Inventor 方乐金吴汝章方莹方家兴
Owner 方乐金
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