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Growth promoting substrate for raising watermelon seedlings and preparation method of growth promoting substrate

A substrate and watermelon technology, applied in the field of microorganisms, can solve the problems of no related microorganisms

Inactive Publication Date: 2018-11-30
南京军辉生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Studies have found that exogenous biological factors, chemical substances, and environmental factors can all improve plant stress resistance; chemical substances such as salicylic acid, jasmonic acid, potassium silicate, sodium silicate, and spermidine can improve plant systemic resistance Bacillus spp., Trichoderma spp., Pseudomonas putida, Mycorrhiza spp. and other microbial strains can also improve plant resistance , but no relevant microorganisms have been applied to the substrate to improve the survival rate of transplanted seedlings of watermelon and other crops, as well as the growth rate, stress resistance, and yield after transplanting.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The preparation method of the growth-promoting substrate for watermelon seedling cultivation: Trichoderma harzianum fermented liquid is inoculated into a special solid medium that has been sterilized at high temperature according to a ratio of 5%, and fermented for 15 days. The formula of the solid medium is: according to the weight ratio, 10 parts of rubbed wheat straw, 2 parts of corn straw powder, and 0.5 part of broad bean powder are mixed evenly and sprayed with 2% molasses waste residue solution. The total water content of the raw materials is 50%. Sterilize at 100°C for 120 minutes and cool to room temperature.

[0032] The solid fermented product of Trichoderma harzianum was inoculated into the compost fermented by fully decomposed Flammulina velutipes mushroom residue, rice husk and pig manure according to the volume ratio of 30%, and post-ripened for 8 days, and the pile was turned 5 times during the post-ripening process. The water content is naturally evapor...

Embodiment 2

[0034] The preparation method of the watermelon seedling growth-promoting substrate is different from Example 1 in that the solid medium formula is: according to the weight ratio, 12 parts of wheat stalks rubbed, 2 parts of corn stalk powder, 0.2 part of broad bean powder, mixed evenly, Spray 2% molasses waste residue solution, the total water content of the raw material is 52%, sterilize at 100°C for 120min, and cool to room temperature.

[0035] The solid fermented product of Trichoderma harzianum was inoculated into the compost fermented by fully decomposed Flammulina velutipes mushroom residue, rice husk and pig manure according to the volume ratio of 20%, and post-ripened for 8 days, and the pile was turned 5 times during the post-ripening process. The water content is naturally evaporated to less than 45%, and 10% vermiculite and 5% peat are added, mixed thoroughly, and packaged as a growth-promoting substrate for watermelon seedlings.

Embodiment 3

[0037] The preparation method of the watermelon seedling growth-promoting substrate is different from Example 1 in that the solid medium formula is: according to the weight ratio, 15 parts of wheat stalks rubbed, 3 parts of corn stalk powder, 0.5 part of broad bean powder, mixed evenly, Spray 2% molasses waste residue solution, the total water content of raw materials is 55%, sterilize at 100°C for 120min, and cool to room temperature.

[0038] The solid fermented product of Trichoderma harzianum was inoculated into the compost fermented by fully decomposed Flammulina velutipes mushroom residue, rice husk and pig manure according to the volume ratio of 26%, and post-ripened for 8 days, and the pile was turned 5 times during the post-ripening process. The water content is naturally evaporated to less than 45%, and 10% vermiculite and 5% peat are added, mixed thoroughly, and packaged as a growth-promoting substrate for watermelon seedlings.

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Abstract

The invention discloses a growth promoting substrate for raising watermelon seedlings. The substrate is prepared by using Trichoderma harzianum T83 as a functional microorganism. When the obtained watermelon seedlings which treated by using the growth promoting substrate is compared with control treated seedlings, the plant height, fresh weight of the overground part, the fresh weight of the underground part, dry weight of the overground part, dry weight of the underground part, stem diameter, root vigor, the content of chlorophyll and the number of fungi, bacteria and actinomycetes of roots are increased by 66.76%, 38.12%, 70.24%, 66.03%, 74.07%, 34.23%, 43.13%, 54.93%, 111.19 times, 1.63 times and 4.38 times separately. Through the high-efficiency growth promoting substrate, final planting of microorganisms can be conducted at the roots of the watermelon seedlings during watermelon seedling cultivation, not only can the survival rate of the transplanted seedlings and the growth speedof the transplanted seedlings be improved, but also the resistance of the watermelon seedlings to stress can be improved; therefore, the substrate has a good application prospect.

Description

technical field [0001] The invention belongs to the technical field of microbes, and in particular relates to a growth-promoting substrate for watermelon seedling cultivation and a preparation method thereof. Background technique [0002] Crop industrial seedlings have the advantages of saving energy and resources, improving seedling production efficiency, improving seedling quality, suitable for long-distance transportation and mechanized transplanting, etc., and are the development trend of modern agriculture. However, industrial seedlings have higher requirements on the quality of seeds, and the environment of seedlings is very different from the field environment, especially in low temperature, saline soil, saline-alkali soil, soil with continuous cropping diseases, etc. The transplanted new seedlings face adversity stress. Therefore, increasing the stress resistance of seedlings during the seedling raising process is of great help in improving the survival rate of trans...

Claims

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Application Information

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IPC IPC(8): A01G24/28A01G24/20A01G24/15A01G24/22A01G24/30
CPCA01G24/15A01G24/20A01G24/22A01G24/28A01G24/30
Inventor 韩瑞李淑瑶常义军陈立华
Owner 南京军辉生物科技有限公司
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