子实体初为肉质后变硬，除基部外，均布以肉质针状的长刺，（以猴头菌为例，刺长1-3cm,直径1-2mm）,此刺状物为菌刺
害虫生防真菌绿僵菌的不同种及变种被广泛应用于害虫微生物防治，但罕见以蚜虫等同翅目刺吸式害虫作为靶标。
The fungal biocontrol agents Metarhizium species and varieties have been widely applied for insect control but their targets rarely aim at sucking-type homopteran insects such as aphids.
放线菌中的链霉菌和刺糖多孢菌是产生抗生素的重要来源。
Streptomyces and Saccharopolyspora, two actinomycetes, are important sources for producing antibiotics.
本论文根据多杀菌素的生物合成途径和代谢调节机理，对刺糖多孢菌进行理性化选育。
A rational selection procedure was developed based on the biosynthetic pathway and metabolic regulation of spinosad.
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