Guangxi Sericulture Station: Guidance For Cold Prevention And Freezing Resistance Of Mulberry Trees In Guangxi

1. Preventive measures: available Mulberry garden In order to raise the temperature of mulberry field, straw and firewood should be used to raise the temperature. Under the condition, mulberry irrigation should be carried out to prevent the ground temperature from changing.

Two, to prevent mulberry garden water, especially new mulberry and mulberry seedlings, plants are small, easy to be affected by snow and freezing rain, so we need to eliminate the accumulated water in time, prevent the long-term immersion of frozen water, and damage the cortex.

Three, mulberry garden should be carried out for 5 days before and after the winter solstice (i.e. 17 to 27 December). Winter cutting is too early, mulberry germination is not neat, mulberry advance germination is beneficial to pests and diseases overwintering, will cause more spring pests and diseases; winter cutting too late, mulberry tree sprouting Late, affecting yield. The method of winter cutting with long branches can effectively control mulberry mosaic disease. Winter cutting practice: cut out half a year's branches to grow 30 to 50 centimeters, and cut off branches.

Four, we should apply winter manure again, and apply manure, compost, cake fertilizer, soil mixed fertilizer, pond mud and other organic manure, and apply 1000 kg to 3000 kg of organic fertilizer per mu.

Five, we must attach importance to the prevention and control of mulberry diseases and pests. Forecast and forecast pests and diseases in mulberry fields. science Guiding the prevention and control work.

Six, mulberry garden timely cleaning and disinfection. After cutting, the mulberry branches moved to a place far away from the mulberry fields and cleared up the dry branches and fallen leaves of the mulberry trees, and burned them in a concentrated way. After clearing the garden, they promptly unified 0.1% strong chlorine semen (that is, 80% strong chlorine essence 0.1 kg plus water 80 kg) to spray the mulberry ground and mulberry tree trunk to eliminate the residual pathogenic bacteria and effectively prevent the disease.