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A kind of method for improving the survival rate of sugarcane seedling seedlings

A seedling and survival rate technology, applied in sugarcane cultivation, botanical equipment and methods, horticulture, etc., can solve the problems of pests and diseases, the impact of seed selection experiments, slow growth of seedlings in the seedling stage, etc., to prevent burning seedlings and improve seedling survival. rate effect

Inactive Publication Date: 2018-03-13
SUGARCANE RES INST OF YUNNAN ACADEMY OF AGRI SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the cultivation process, in the critical period of seedling seedling disease, if management methods and technical measures are used improperly, the death of seedling seedlings will be devastating, the selection test will be seriously affected, and the selection of new varieties will be affected. irreversible loss
Sugarcane seedlings grow slowly at the seedling stage, affected by soil moisture and air humidity in the seedling box, it is easy to cause various diseases and insect pests, causing the seedlings to die

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] The method for improving the survival rate of sugarcane seedling seedlings in the present invention must have a sugarcane seedling cultivation greenhouse (controllable temperature between 18-38° C.), sugarcane seedling culture substrate, shade net, gauze, and thickened plastic film for specific implementation. , drug sprayer, etc. The specific method is as follows:

[0011] 1. Seedling box preparation and seedling substrate configuration: The seedling box is a wooden box with a length of 53cm, a width of 40cm, and a height of 10cm; the substrate for growing seedlings is ground using mature sugarcane stems, leaves or shrubs as raw materials. Watering for composting and fermenting to obtain the decomposed main substrate, after the decomposed main substrate is mixed with fine soil in a mass ratio of 1:1-2 to obtain the seedling raising substrate, which is used after disinfection and sterilization;

[0012] 2. Sowing of seedlings: according to the number of seedlings per g...

Embodiment 2

[0019] The method that the present invention improves sugarcane seedling seedling survival rate is as follows:

[0020] 1. The preparation of the nursery box and the configuration method of the nursery substrate are the same as in Example 1;

[0021] 2, seedling sowing method is with embodiment 1;

[0022] 3. Disease prevention and control: Spray and sterilize with 50% carbendazim wettable powder after sowing, control the temperature of the substrate between 22-36°C, keep the substrate moist without water accumulation, and observe the growth of mold. Spray with 50% carbendazim wettable powder. When the germinated seedlings grow to about 10mm, start spraying fludioxonil with a volume concentration of 25g / L to prevent and control blight and root rot, spray once every 3-4 days, and spray 2-3 times continuously. At this time, strictly control the temperature and humidity according to the following operating requirements:

[0023] (1) In the morning, the film and gauze covered o...

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Abstract

The invention provides a method for improving the survival rate of young seedlings of sugarcane seedlings. The method comprises the steps that seeds are sowed in nursery boxes in a greenhouse, when the young seedlings of the sugarcane seedlings germinate and grow to 8 mm-12 mm in height, film and gauze are lifted up every morning, if the water content of the matrix volume is lower than 27%, watering is conducted, and the water content of the matrix volume is controlled to range from 25% to 30%; a shading net on the greenhouse is opened, the air humidity in the nursery boxes is controlled to be not more than 80% by utilizing sunlight illumination; the matrix humidity is observed every afternoon, and when the water content of the matrix volume is lower than 27%, the gauze and the shading net on the upper layer of the greenhouse are put on the nursery boxes and the greenhouse respectively; the temperature of the matrix is kept to range from 22 DEG C to 36 DEG C at night till rhizome bases of the young seedlings grow to be green from a transparent color. According to the method for improving the survival rate of the young seedlings of the sugarcane seedlings, when the young seedlings of the sugarcane seedlings grow to the phase prone to infringing of germs, by means of covering and opening of the gauze, the film and the shading net, water spray and illumination are combined, the temperature of the nursery boxes and the seedling matrix are strictly controlled, the occurrences of seedling burnt, dry seedling and diseases are prevented, and the survival rate of the young seedlings is improved.

Description

technical field [0001] The invention relates to the technical field of sugarcane seedling cultivation, in particular to a method for improving the survival rate of sugarcane seedlings before transplanting them into fields. Background technique [0002] At present, the breeding methods of new sugarcane varieties in the world are mainly obtained through the cultivation of hybrid seeds and the selection of seedlings. Sugarcane hybrid seeds are small, light in 1,000-grain weight, less nutritious, fluffy, and have a low germination rate, which adds difficulty to the cultivation of seedlings. Each seedling may be cultivated into an excellent variety. Therefore, each seedling that germinates is very precious, and it is necessary to carefully manage the germinated seedlings to reduce the occurrence of pests and diseases and improve their survival. rate to ensure the smooth progress of the variety selection process. [0003] The cultivation of sugarcane seedlings is an important li...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G22/55
CPCA01G22/00
Inventor 覃伟吴才文赵俊姚丽陈学宽杨昆应雄美武晋宇赵丽萍赵培方刘家勇昝逢刚夏红明刘振环
Owner SUGARCANE RES INST OF YUNNAN ACADEMY OF AGRI SCI
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