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Cultivation method of sugarcane seedlings

A cultivation method and seedling technology, applied in the field of crop cultivation, can solve problems such as inaccurate control of ambient temperature and humidity, seed mildew and non-germination, seedling lodging disease, etc., and achieve good economic benefits, neat and fast emergence of seedlings

Active Publication Date: 2019-07-23
SUGARCANE RES INST OF YUNNAN ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional seedling raising methods rely too much on experience, and the control of environmental temperature and humidity is inaccurate. For example, in the early stage of sowing, spraying and watering are used to cool down and increase humidity when the daytime is high and dry, but it is easy to cause rotten seeds; If the film is not removed in time, it is easy to cause the occurrence of seedling lodging disease; if the low temperature lasts too long, it is easy to cause the seeds to become moldy and not germinate

Method used

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  • Cultivation method of sugarcane seedlings

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Experimental program
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Effect test

Embodiment 1

[0055] A kind of fast cultivation sugarcane seedling method:

[0056] 1. Preparation of metal tray and selection of seeding paper: use stainless steel to make a metal tray with a length, width, and height of 43cm*33cm*3cm, and put the seeding paper (5 straw papers stacked) with a thickness of about 1mm into the metal tray;

[0057] 2. Preparation of seedling box and seedling substrate: the seeding box is a wooden incubator, and the bottom of the seeding box is a mixed sample of sterilized laterite and substrate (mass ratio 2:1), and the laying thickness is 5cm. The upper layer is river sand with a laying thickness of 1cm;

[0058] 3. Seedling metal tray sowing: 200 seedlings / box, sow 5-18g per square meter, evenly disperse the seeds on the sowing paper, then add pure water to soak for 3 minutes, wait until the seeds are fully absorbed and the sowing paper is completely soaked , slowly pour out excess pure water until the metal tray does not drip in a vertical state, lightly p...

Embodiment 2

[0065] 1. Preparation of metal tray and selection of sowing paper: use stainless steel to make a metal tray with a length, width and height of 43cm*33cm*3cm, and put the sowing paper (7 pieces of grass paper stacked) with a thickness of 1.5mm into the metal tray;

[0066] 2. Preparation of seedling box and seedling substrate: the seeding box is a wooden incubator, the bottom of the seeding box is a mixed sample of sterilized red soil and substrate (mass ratio 2:1), and the laying thickness is 7cm. The upper layer is river sand with a laying thickness of 1.5cm;

[0067] 3. Seedling metal tray sowing: 300 seedlings / box, sow 7-25g per square meter, evenly disperse the seeds on the sowing paper, then add pure water to soak for 5 minutes, wait for the seeds to fully absorb water and the sowing paper is completely soaked , slowly pour out excess pure water until the metal tray does not drip in a vertical state, lightly press the seeds with your hands to make them completely attached...

Embodiment 3

[0074] 1. Preparation of metal tray and selection of seeding paper: Use stainless steel to make a metal tray with a length, width, and height of 43cm*33cm*3cm, and put the seeding paper (6 straw papers stacked) with a thickness of 1.2mm into the metal tray;

[0075] 2. Preparation of seedling box and seedling substrate: the seeding box is a wooden incubator, the bottom of the seeding box is a mixed sample of sterilized red soil and substrate (mass ratio 2:1), and the laying thickness is 6cm. The upper layer is river sand with a laying thickness of 1.2cm;

[0076] 3. Seedling metal tray sowing: 250 seedlings / box, sow 6-22g per square meter, evenly disperse the seeds on the sowing paper, then add pure water to soak for 4 minutes, wait until the seeds fully absorb water and the sowing paper is completely soaked , slowly pour out excess pure water until the metal tray does not drip in a vertical state, lightly press the seeds with your hands to make them completely attached to the...

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Abstract

The invention provides a cultivation method of sugarcane seedlings and belongs to the technical field of crop cultivation. The cultivation method includes: broadcasting sugarcane seeds on sowing paper, using water for soaking, discarding unabsorbed water, enabling the seeds after absorbing water to be attached on the sowing paper after absorbing water, and accelerating germination of an obtained pre-culture to obtain the sugarcane seedlings, wherein germination accelerating includes illumination culture at temperature of 31-33 DEG C and dark culture at 29-31 DEG C. By the cultivation method, seedling emerging speed after sowing is high, about 10d is advanced to reach 2-leaf age when compared with a control group, and seedling emerging rate is high. Seed germination rate exceeds 90%, whichis an increase of more than 10% when compared with conventional cultivation methods. The sugarcane seedlings obtained by the cultivation method is quick in seedling emerging, high in seedling emergingrate and orderly in seedling emerging.

Description

technical field [0001] The invention belongs to the technical field of crop cultivation, in particular to a method for cultivating sugarcane seedlings. Background technique [0002] At present, the breeding of new sugarcane varieties is mainly carried out through traditional conventional hybridization methods, that is, hybrid seeds are obtained through artificial hybridization, and seedlings are cultivated and systematically screened. The cultivation of sugarcane seedlings is a refined technical work, and the quantity and quality of the obtained seedlings directly affect the subsequent screening. The germination process of sugarcane seeds has extremely strict requirements on water and temperature. Too high or too low temperature and water will seriously affect the germination of seeds and the growth of seedlings. Normally, sugarcane artificial hybridization is carried out from September to December every year, and hybrid seeds can be obtained and seedlings cultivated from F...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/55
CPCA01G22/55
Inventor 徐超华陆鑫毛钧刘新龙李旭娟林秀琴刘洪博李纯佳字秋艳
Owner SUGARCANE RES INST OF YUNNAN ACADEMY OF AGRI SCI