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黑木耳袋料栽培极易受绿霉、青霉、黄曲霉等杂菌污染,根据我们两年来的实践,要控制杂菌污染应采取以下技术措施。 一、发菌栽培期避开高温季节 黑木耳袋料栽培以往安排在6月下旬至7月中旬发菌,此时正值梅雨高温季节,霉菌污染率往往超过30％,此期间又会遇到32～34℃以上高温,菌丝生长缓慢。根据试验,秋耳栽培袋可提早到4月底至5月初生产,待高温到来时,菌已发好。将发好菌的栽培袋置阴凉干燥黑暗处保藏,等秋后气温降至25℃以下时开袋喷水出耳。越夏的栽培袋要扎紧袋口,去掉颈圈棉塞。保藏期内要设法使室内温度不超过28℃,湿度控制在65％左右。需定时检查,防止生霉,遇到阴雨天,
Black fungus bag material cultivation vulnerable to mold, Penicillium, Aspergillus flavus and other bacteria pollution, according to our two years of practice, to control bacterial contamination should take the following technical measures. First, the fungus cultivation period to avoid the black fungus seasoning cultivation season Previously arranged in late June to mid July germs, at a time when the meiyu hot season, the mold contamination rate is often more than 30% during this period will encounter 32 ~ 34 ℃ above the high temperature, mycelial growth slow. According to the test, autumn ear cultivation bags can be early to the end of April to early May production, until the arrival of high temperatures, the bacteria have been made good. The germs will be sent to the bag cultivation cool and dry dark place, and so fall after the temperature dropped to below 25 ℃ open bag spout. Summer cultivation bags to tie tight bag, remove the collar tampons. During the collection period to try to make the room temperature does not exceed 28 ℃, humidity control at about 65%. Need to be regularly checked to prevent mold, rainy days,