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首页> 外文期刊>Journal of Stored Products Research >Fungal isolates involved in biodeterioration of book-paper and their effects on substrate selection by Liposcelis bostrychophila (Badonnel) (Psocoptera: Liposcelididae)
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Fungal isolates involved in biodeterioration of book-paper and their effects on substrate selection by Liposcelis bostrychophila (Badonnel) (Psocoptera: Liposcelididae)

机译：参与书纸生物降解的真菌分离物及其对Bostrychophila（Badonnel）（Psocoptera：Liposcelididae）的底物选择的影响

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摘要

The effects of fungi on the distribution of groups of Liposcelis bostrychophila were investigated. Two strains of Ulocladium botrytis were obtained from biodeteriorated book-paper and Eurotium amstelodami was isolated from the food used to culture L. bostrychophila. Isolated fungi were cultured on either paper sterilised with ethanol (paper) or on a malt-agar medium (medium). One strain or species was presented to groups of L. bostrychophila on a glass-fibre disc, with a blank disc as the other choice, and the number of insects on each disc and those free in the Petri dish was recorded after 12 h. In general a lower proportion of insects selected when one of the choices was either a 10,000 ppm extract of extract of U. botrytis cultured on malt-agar or one of the more dilute extracts of U. botrytis cultured on either medium. In contrast, extracts of both strains of U. botrytis (paper, 10,000 ppm) and E. amstelodami (malt-agar medium; 10,000; 1000 and 100 ppm) did not affect the proportion of insects that selected. With the exception of an extract of one of the strains of U. botrytis (paper; 10,000 ppm) significantly more selecting insects were found on the blank disc. A second set of experiments, in which extracts were applied to both discs, showed that L. bostrychophila did differentiate between the same fungus grown on paper or malt-agar medium and also between extracts of U. botrytis and E. amstelodami. It would appear that fungi grown on malt-agar medium are more repellent than fungi grown on paper and that E. amstelodami is preferred to U. botrytis. However, the selection of a substrate by L. bostrychophila very much depends on the context in which it is provided, i.e. the other choice.
机译：研究了真菌对博氏疏脂疏脂菌各组分布的影响。从生物恶化的书本纸中获得了两株葡萄孢菌，并从用于培养嗜酸乳杆菌的食物中分离出am。分离的真菌在用乙醇灭菌的纸上（纸）或在麦芽琼脂培养基（中）上培养。在玻璃纤维圆盘上将一种菌株或物种呈现给了嗜酸乳杆菌组，另一种选择是空白盘，并在12 h后记录了每个圆盘上和在培养皿中游离的昆虫的数量。通常，当选择之一是在麦芽琼脂上培养的葡萄球菌提取物的10,000 ppm提取物或在任何一种培养基中培养的葡萄球菌的稀提取物之一时，选择的昆虫比例较低。相比之下，葡萄孢杆菌（纸葡萄，10,000 ppm）和阿姆斯洛达米大肠杆菌（麦芽琼脂培养基; 10,000; 1000和100 ppm）的两种菌株的提取物均不影响所选昆虫的比例。除了一种葡萄球菌菌株的提取物（纸; 10,000 ppm）外，在空白光盘上发现了更多的选择昆虫。第二组实验将提取物应用于两个圆盘，结果表明，嗜果乳杆菌确实区分了在纸质或麦芽琼脂培养基上生长的相同真菌，也区分了葡萄孢菌和amstelodami的提取物。看来，在麦芽琼脂培养基上生长的真菌比在纸上生长的真菌具有更好的驱避性，​​而Amstelodami大肠杆菌要比U. botrytis更好。但是，嗜麦芽孢杆菌对底物的选择在很大程度上取决于提供底物的环境，即另一种选择。

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