Propagation method for healthy sugarcane seedlings in temporary planting nursery

A sugarcane and nursery technology, applied in the field of healthy sugarcane seedlings and artificial planting nursery expansion, can solve the problem of occupying large land resources

Inactive Publication Date: 2013-10-16
SOUTH ASIAN TROPICAL AGRI SCI RES INST OF GUANGXI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method of propagation requires a large amount of land resources, which is one of the main reasons why healthy sugarcane seedlings cannot be popularized at present.

Method used

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  • Propagation method for healthy sugarcane seedlings in temporary planting nursery

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Embodiment 1

[0020] The demand for healthy sugarcane seedlings in a certain market is 50 million, and the number of original seedlings in the false planting nursery for healthy sugarcane seedlings is 500,000. After being cultivated by artificial planting in the second-level nursery, it is planted in the seedling breeding field for propagation, and now it is changed to use the artificial planting nursery propagation method of the present invention for propagation, and the specific implementation process is as follows:

[0021] (1) Cultivation of sugarcane virus-free seed stems in a fake planting nursery (90 days)

[0022] The detoxified healthy sugarcane seedlings that should be transferred to the secondary nursery or expanded in the field continue to be kept on the seedbed for cultivation. The false planting density of the healthy sugarcane seedlings on the seedbed: the spacing between plants is 6 cm, and the row spacing is 12 cm; after 90 days of Cultivate, cultivate sugarcane virus-free ...

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Abstract

The invention discloses a propagation method for healthy sugarcane seedlings in a temporary planting nursery. The method comprises the following steps: (1) cultivating sugarcane virus-free seed stems in the temporary planting nursery; (2) performing successive multiplication culture on the sugarcane virus-free seed stems in the temporary planting nursery; (3) sprouting and raising seedlings in nutritious cups; (4) propagating or planting the seedlings in the nutritious cups; and the like. According to the method, a temporary planting nursery propagation technology is adopted in a healthy sugarcane seedling seed production and propagation process to achieve the purpose of saving the land resource; meanwhile, the reinfection rates of both ratoon stunting disease and mosaic disease of each stage of seedling field are lower than those of the conventional method. By applying the method, intensive and standardized management can be realized, and the propagation efficiency is improved; the method has a positive promotion effect on the generalization and promotion of the healthy sugarcane seedlings.

Description

technical field [0001] The invention belongs to the technical field of propagation of sugarcane seedlings, and in particular relates to a method for propagation of healthy sugarcane seedlings in a fake planting nursery. Background technique [0002] Sugarcane is a vegetatively propagated crop. After years of continuous vegetative planting, various pathogens have repeatedly infected and accumulated in the plants, especially sugarcane perennial root dwarf disease, mosaic disease and other diseases that cannot be controlled by chemical drugs. The quality and yield of sugarcane will degenerate continuously, which will cause great losses to production and seriously threaten the safety of sugarcane planting industry. More than 30% of the varieties used in production are infected with mosaic disease, and 100% are infected with perennial dwarf disease. The use of tissue culture technology to produce detoxified healthy seedlings can realize healthy and non-toxic sugarcane production...

Claims

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Application Information

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IPC IPC(8): A01G31/00
Inventor 唐利球唐君海何洪良秦昌鲜陆祖正赵静廖韦卫谢君锋李根俸青莫周美罗晟昇韦海球符策蒋亚琴闭德金
Owner SOUTH ASIAN TROPICAL AGRI SCI RES INST OF GUANGXI
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