Medium prescription for production of fungus-treated tobacco rooted seedlings by floating nursery

A technology for floating seedlings and producing bacteria, which is applied in the field of crop cultivation and modern agricultural production, and achieves the effects of easy purchase, easy preparation, and less bacterial dosage

Inactive Publication Date: 2008-11-05
SOUTHWEST UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, there is no special matrix formula and corresponding inoculation technology suitable for cultivating mycorrhized tobacco seedlings under the condition of floating seedlings at home and abroad, and there are no related research reports

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Take 0.6m of peat through a 2mm sieve 3 , diameter 3 ~ 4mm perlite 0.2m 3 0.2m of vermiculite with a diameter of 3-4mm 3 , fully stirred and mixed, and prepared as a mycorrhized flue-cured tobacco seedling raising substrate; diluted with water to 5L with 250ml of 40% formaldehyde, and prepared a 2% formaldehyde solution; take 1m of the above substrate 3 , spray 5L of 2% formaldehyde evenly on the substrate, stir evenly, and place at 1m 3 In the cement pool, cover with plastic film, and strictly seal it, sterilize for 7 days, take it out and spread it into a thin layer of 3-4cm thick, dry it in the sun for 7 days, turn it repeatedly during the drying process; choose 90-120 holes The special seedling tray for flue-cured tobacco was filled with the sterilized matrix, and at a height of 10 mm from the top edge, a layer of 5 mm thick Glomuse mosseae Gerdemann inoculum (Glomuse mosseae Gerdemann & Co. Trappe, BEG Number167, be called for short BEG-167), then, sow 3 flue-cu...

Embodiment 2

[0025] Take 3m of peat through a 2mm sieve 3 , diameter 3 ~ 4mm perlite 1m 3 1 m of vermiculite with a diameter of 3-4 mm 3 , fully stirred and mixed, and prepared as a mycorrhizal flue-cured tobacco seedling raising substrate; diluted with 40% formaldehyde to 15L with 750ml of formaldehyde, and prepared a 2% formaldehyde solution; take the above substrate 3m 3 , spray 15L of 2% formaldehyde evenly on the substrate, stir evenly, and place it at 3m 3 In the cement pool, cover with plastic film, and strictly seal it, sterilize for 7 days, take it out and spread it into a thin layer of 3-4cm thick, dry it in the sun for 7 days, turn it repeatedly during the drying process; choose 90-120 holes The special seedling tray for flue-cured tobacco was filled with the sterilized matrix, and at a height of 10 mm from the top edge, a layer of 5 mm thick Glomuse mosseae Gerdemann inoculum (Glomuse mosseae Gerdemann & Co. Trappe, BEG Number 167, referred to as BEG-167 and Glomus intraradi...

Embodiment 3

[0027] Take 3m of peat through a 2mm sieve 3 , diameter 3 ~ 4mm perlite 1m 3 1m of vermiculite with a diameter of 3-4mm 3 , fully stirred and mixed, and prepared as a mycorrhizal flue-cured tobacco seedling raising substrate; diluted with 40% formaldehyde to 15L with 750ml of formaldehyde, and prepared a 2% formaldehyde solution; take the above substrate 3m 3 , spray 15L of 2% formaldehyde evenly on the substrate, stir evenly, and place it at 3m 3In the cement pool, covered with plastic film, and strictly sealed, sterilized for 7 days, spread out into a thin layer of 3-4cm thick after taking it out, and dried it in the sun for 7 days, repeatedly turning it over during the drying process; choose 90-120 holes The special seedling tray for flue-cured tobacco was filled with the sterilized matrix, and at a height of 10 mm from the top edge, a layer of 5 mm thick Glomuse mosseae Gerdemann inoculum (Glomuse mosseae Gerdemann & Co. Trappe, BEG Number 167, referred to as BEG-167; G...

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PUM

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Abstract

The invention relates to a special matrix formula suitable for culturing mycorrhizal tobacco seedling in the condition of flue-cured tobacco seedling by floating system; all the constituents and the volume thereof are as follows: 60 percent of peat, 20 percent of perlite and 20 percent of vermiculite. The formula can improve the comprehensive quality of the tobacco seedling, cultures sound seedlings and has the advantages of wide material sources, easy acquisition, easy matrix preparation, simple production, simple inoculating operation, little fungicide dosage and easy promotion, etc. The culture medium, the inoculating technique and the corresponding Glomus intraradices Smith and Schenck are combined together, infection rate of mycorrhiza is up to over 40 percent and the effect of the mycorrhiza is good.

Description

technical field [0001] The invention relates to the technical fields of modern agricultural production and crop cultivation, in particular to a matrix formula for producing mycorrhized tobacco seedlings under the condition of flue-cured tobacco floating seedling cultivation. Background technique [0002] Flue-cured tobacco is an important economic crop in our country and occupies an important position in our national economy. In 2007, the tobacco planting area was 1.05 million hectares, and the tax revenue reached 388 billion yuan, ranking first in the individual tax revenue of all industries in the country. In flue-cured tobacco production, cultivating strong seedlings is one of the important links in flue-cured tobacco cultivation, and it is also an important measure to improve the yield and quality of flue-cured tobacco. At present, floating seedling cultivation is the main method of flue-cured tobacco seedling cultivation, accounting for about 85% of tobacco seedling pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G31/00
Inventor 袁玲江龙黄建国
Owner SOUTHWEST UNIVERSITY
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