Virus-free potato breeder's seed soilless culture substrate and preparation method thereof

Abstract

The invention relates to a virus-free potato breeder's seed soilless culture substrate. The virus-free potato breeder's seed soilless culture substrate is prepared from the following raw materials inparts by weight: 60 to 90 parts of cottonseed hull mushroom dreg, 10 to 40 parts of corncob mushroom dreg, 20 to 30 parts of vermiculite, 20 to 30 parts of dried pig manure, 0.3 to 0.7 part of ammonium sulfate, 0.1 to 0.2 part of a fermentation bacterium agent, 0.1 to 0.2 part of fungicide and 0.1 to 0.2 part of insecticide. A preparation method of the virus-free potato breeder's seed soilless culture substrate comprises the following steps: pre-treating the raw materials; mixing the raw materials; spraying water and uniformly blending; fermenting; airing and sieving; blending the fungicide and the insecticide; bagging for later use. According to the soilless culture substrate prepared by the preparation method, growth indexes including the survival rate, the growth period, the plant lushness, the stem thickness and the like, and the grain weight per particle, the yield per unit area and the like of produced virus-free potato breeder's seeds are remarkably improved; the virus-free potato breeder's seed soilless culture substrate has the advantages of less investment, simple technology, short treatment period and easiness for popularization and generalization.

Description

technical field [0001] The invention relates to the field of cultivation of the original seed of the virus-free potato, in particular to a soilless culture substrate of the original seed of the virus-free potato and a preparation method thereof. Background technique [0002] my country is the largest producer of edible fungi in the world, and its output accounts for more than 70% of the world's output. Every 1 kg of edible fungus produces about 3.25 kg of fungus residue. According to data, the amount of fungal residue produced in 2011 reached 130 million tons. With the continuous expansion of the production scale of edible fungi, the amount of fungi residues produced has reached an astonishing amount, so how to recycle resources is particularly important. At present, the comprehensive utilization rate of fungal residues in our country is still very low. A large amount of renewable resource fungal residues are discarded or incinerated as agricultural waste, which not only cau...

AI Technical Summary

Problems solved by technology

If the seed potatoes are not good, the yield and quality will be greatly reduced. Once the virus invades potato plants and tubers, it will cause serious degradation of potatoes and cause various diseases, resulting in a sharp drop in potato production

At present, vermiculite is generally used as the cultivation substrate for the original seed production of detoxified potatoes. Because vermiculite is expensive and the cultivation cost is high, and vermiculite is used as the cultivation substrate, the substrate waste generated cannot be reused, which increases the later treatment cost and restricts Large-scale Propagation of Virus-free Original Potato Seeds

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