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Issue:
ru zhuang jun yu jin gui zi
Author(s):
ZHANG Shufang
,
FENG Xiangxing
,
LIU Yubin
Pages:
43
Year:
1975
Issue:
2
Journal:
Chinese Bulletin of Entomology
Keyword:
金龟子幼虫
;
病原微生物
;
铜绿丽金龟
;
苏芸金杆菌
;
日本丽金龟
;
口服感染
;
中国科学院
;
人工培养
;
防治效果
;
动物研究所
;
Abstract:
<正> 金龟子是为害农林等作物的重要害虫。过去应用化学药剂未能有效地控制蛴螬的为害,因而利用病原微生物进行防治是一个值得注意的途径。 病原微生物——乳状菌(Bacillus popilliae Dutky)用于防治害虫的效果仅次于苏芸金杆菌,是一种有效的微生物病原菌。乳状菌属于真细菌科、芽孢杆菌属。现在已知的有6个种及1个变种。用于害虫防治国外已做成商品供销。乳状茵对日本丽金龟(Popillia japonicaNewman)、大介壳虫等都有很好的防治效果。 乳状菌是一种兼性好气菌,但也能适应厌氧生长,在寄主昆虫体内能普遍形成孢子。在人工培养基上能够生长、繁殖,但孢子萌发率目前仅达20—30%。 据文献记载,乳状菌能寄生50多种金龟子幼虫。感染方式,大体上可分注射接种和口服感染两类。
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