Hanseniaspora vineae capable of effectively preventing and controlling postharvest diseases of fruits and vegetables and preparation and use method thereof

Abstract

The invention discloses a hanseniaspora vineae BY19 for preventing and controlling postharvest diseases of fruits and vegetables and with wide antibacterial spectrum and stable effect and a use methodthereof. The collection number of the strain in China General Microbiological Culture Collection Center is CGMCC No. 14903. The use method of the hanseniaspora vineae comprises the following steps of: activating the strain, carrying out fermentation culture by using YPD, centrifuging, and preparing thalli into 1*108 cell / mL of bacterial suspension by using sterile water; putting fruits and vegetables such as apples, pears, grapes, strawberries, citruses or cherry tomatoes and the like into the bacterial suspension, soaking for 30 seconds, then taking out, and carrying out air drying; puttinginto a fresh-keeping box, and storing at normal temperature. The hanseniaspora vineae strain disclosed by the invention has the beneficial effects that penicilliosis and botrytis cinerea of the apples, the penicilliosis and the botrytis cinerea of the pears, botrytis, aspergillosis, black spot, fusaridiosis and anthracnose of the grapes, the botrytis of the strawberries and the botrytis and the aspergillosis of the cherry tomatoes can be controlled simultaneously, so that the loss caused by the postharvest diseases is reduced and the application prospect is good.

Description

technical field [0001] The invention relates to the field of biological control of post-harvest diseases of fruits and vegetables, in particular to a strain of Hanseniaspora vineae used for biological control of post-harvest diseases of fruits and vegetables. The main postharvest diseases of the female fruit have significant control effects. Background technique [0002] The quality deterioration of fresh fruit and vegetable products is affected by many factors, but the rot and deterioration caused by diseases, especially fungal diseases, is the most serious factor in the postharvest loss of fruits. Although postharvest diseases of fruits and vegetables can be controlled through many methods such as agricultural control, physical control, chemical control and biological control, the main measure to control postharvest diseases of fruits and vegetables is chemical control (Eckert & Ogawa, 1985, 1988). However, the long-term use of chemical pesticides not only leads to the de...

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Problems solved by technology

[0004] However, although there are nearly a hundred species of antagonistic yeasts reported at home and abroad, the biocontrol effects of most antagonistic yeasts have only been verified on a few fruits.

However, since the biocontrol effects of different strains of the same yeast are very different (Filonow et al., 1996), most of the antagonistic yeasts lack strains with broad antibacterial spectrum and stable effect.

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