《江西农业科技》刊登了露天袋栽香菇技术后,江西、浙江等省1千多名读者来信询问怎样防止袋栽香菇杂菌污染。这关系到香菇栽培户盈利和亏本的关键。福建省古田县食田菌研究所同三明、福州等地科研部门合作采取了五要五防止的栽培技术,经2000户菇农栽培300万袋香菇,污染率只达2％,平均每户菇农盈利5000～7000元。 一、菌种要优质,防止老化。在选择香菇菌种时,首先要观察瓶、袋有没破损,菌丝应该密集洁白、健壮、上下分 More than 1,000 readers in Jiangxi, Zhejiang and other provinces wrote a letter asking how to prevent the contamination of bagged shiitake mushrooms after publication of open bagging mushroom technology in Jiangxi Agricultural Science and Technology. This is related to the key to profitability and loss of mushroom cultivation households. Fujian Province Gutian County Institute of Tribunal bacteria with Sanming, Fuzhou and other scientific research departments to take five to five to prevent cultivation techniques, the 2000 mushroom cultivation 3 million bags of mushrooms, the pollution rate of only 2%, the average per mushroom Farmers profit 5000 ~ 7000 yuan. First, bacteria to high-quality, to prevent aging. In the choice of mushroom species, we must first observe the bottle, the bag is not damaged, mycelium should be dense white, robust, up and down points