灰树花母种用培养基工艺时需要注意什么?

2025-03-16 18:02:59
推荐回答(1个)
回答1:

灰树花的母种培养基所用棉籽壳和麸皮不能发霉,木屑最好用新粉碎的或新修剪枝条粉碎,新修剪枝条含水量较高,粉碎后木屑及时摊晾或立即拌料使用并注意拌料时减少20%~30%加水量。此外,粉碎木屑不宜选用超过0.5厘米颗粒料,灰树花栽培品种菌丝浸透木料能力较弱,颗粒料太大不利于丰产。按干料重量加110%~115%水拌料,使含水量达57%~60%。湿度过大,子实体形成时渗出棕色液体太多,易导致子实体腐烂;湿度过小,菌丝生长疏松,难于形成子实体。每天拌好的料必须及时装袋,不能过夜。配料中加入的驱菌净为吸附剂,是一种富含海泡石的矿物质,具有层状密集微小蜂窝状结构,它在pH6.5以上条件下基本没有作用,但在霉菌发生条件下,培养基酸化,pH降低,吸附能力可以增强300~400倍,可以吸附霉菌孢子,减少霉菌扩散能力,从而达到控制污染效果。驱菌净对生长菌丝吸附的作用在于加强菌丝与培养料的密切程度,有利于营养物质吸收,从而有增产效果。

配料一般不用化学药剂,尤其不能使用高毒农药。按照《中华人民共和国农药管理条例》,剧毒和高毒农药不得在蔬菜生产中使用,食用菌作为蔬菜的一类也应完全参照执行,不得在培养基质中加入。如高毒农药有甲拌磷(3911)、治螟磷(苏化203)、对硫磷(1605)、甲基对硫磷(甲基1605)、杀螟威、久效磷、磷胺、甲胺磷、异丙磷、三硫磷、氧化乐果、磷化锌、磷化铝、氰化物、呋喃丹、氟乙酰胺、杀虫脒、西力生、赛力散、溃疡净、氯化苦、五氯酚钠、二氯溴丙烷等不得使用。

混合型基质添加剂和植物生长调节剂:含有植物生长调节剂或成分不清的混合型基质添加剂,不得使用。按照配方的比例要求,把各种生产原材料(有的要通过部分加工)按顺序放入拌料机中进行充分搅拌,然后及时进行装袋。木屑→棉籽壳→麦麸→石膏先搅拌半分钟→把糖和生长素在温水中溶化后同所需水量一同倒入拌料机中,搅拌均匀即可。

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