Method for effectively preventing and controlling mulberry sclerotiniose

Abstract

The invention discloses a method for effectively preventing and controlling mulberry sclerotiniose. The method includes the steps of firstly, deeply plowing soil of a greenhouse mulberry garden in the period from sclerotium initial germination to sporocarp non-opening of mulberry sclerotiniose pathogenic bacteria by observing the potted pathogenic bacteria development process under a greenhouse mulberry garden tree, comprehensively and uniformly spraying methyl sulfur bacteria liquid on the ground of the mulberry garden, covering the ground with black fluffy ground cloth after liquid spraying ends, fixing joints through stainless steel rivets, and preventing ascospores from being spread; secondly, spraying methyl sulfur bacteria liquid again on the ground of the mulberry garden 5-7 days after liquid spraying especially in gaps of the ground cloth. The method has the advantages that the sclerotium base number in soil can be effectively reduced, apothecium is prevented from germinating from sclerotium, sclerotium initially germinating on the soil surface layer and non-opening sporocarp can be killed through ground disinfecting, ascospore is prevented from being spread after the ground is covered with the ground cloth, external pathogenic bacteria invasion is avoided through a steel-frame greenhouse, and infection sources are effectively controlled.

Description

technical field [0001] The invention relates to the field of agricultural technology, in particular to a method for effectively preventing and controlling sclerotinia sclerotiorum. Background technique [0002] As early as more than 2,000 years ago, mulberry was a tonic used by Chinese emperors, and was also known as the "folk holy fruit", and was praised as "the best health fruit in the 21st century" by the medical community. The disease of mulberry fruit (The disease of mulberry fruit) is a destructive fungal disease that harms fruit mulberries, commonly known as "white fruit disease". There are different degrees of occurrence in silkworm areas. When the disease occurs seriously, it will lead to extinction, seriously affect the yield and quality of mulberry, and then affect the development of fruit mulberry industry. [0003] With the continuous expansion of the mulberry planting area in my country, the occurrence of mulberry sclerotinia showed a significant upward trend....

AI Technical Summary

Problems solved by technology

Although the chemical control method has a better control effect in the early stage, it is difficult to judge the appropriate period of control, and it is easy to cause resistance to Sclerotinia sclerotiorum. Although the pesticides currently used are of low toxicity, there are still problems of excessive pesticide residues if used improperly.

However, the biological control method is not yet mature enough, and the control effect is not high.