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首页> 外文期刊>Nematologia Mediterranea >Relationship between initial water content of the substrate and mycelial growth and sporulation of the nematophagous fungi, Paecilomyces lilacinus and Pochonia chlamydosporia.
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Relationship between initial water content of the substrate and mycelial growth and sporulation of the nematophagous fungi, Paecilomyces lilacinus and Pochonia chlamydosporia.

机译：底物的初始含水量与线虫真菌，淡紫拟青霉和衣原体波分菌的菌丝生长和孢子形成之间的关系。

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摘要

Experiments were undertaken to relate the effects of three rates of initial water content (1.0:1.0; 1.5:1.0; and 2.0:1.0) in a solid substrate (wheat bran) with mycelial growth and conidia production of the nematophagous fungi Paecilomyces lilacinus PDBC PL55 and Pochonia chlamydosporia PDBC PC57, and to relate the effects to substrate characters. Increase in water content of the substrate resulted in increased moisture content and saturation in terms of water activity. A negative relationship was observed between the proportion of initial water content in wheat bran and spore yield of Paecilomyces lilacinus PDBC PL55 and Pochonia chlamydosporia PDBC PC57. The increase in water content of the substrate also increased the duration of mycelial growth, time to completion of sporulation and total time for one cycle of production. Increased moisture content of the wheat bran resulted in a higher final moisture level in the substrate (74-76%), which in turn resulted in a longer time (8-9 days) required to dry the substrate to 15-18%, compaction and bacterial contamination. The optimum proportion of water to be added initially to wheat bran for conidial production by Pochonia chlamydosporia and Paecilomyces lilacinus was 1:1 (v/w)..
机译：进行了实验，将固体基质（小麦麸皮）中三种初始含水率（1.0：1.0; 1.5：1.0;和2.0：1.0）的影响与食管真菌真菌淡紫拟青霉PDBC PL55的菌丝生长和分生孢子产生联系起来。和Pochonia chlamydosporia PDBC PC57，并将其效应与底物特性联系起来。基材中水分含量的增加导致水分含量和水分活度的增加。麦麸中初始含水量的比例与淡紫拟青霉PDBC PL55和衣原体波克菌PDBC PC57的孢子产量之间存在负相关关系。底物含水量的增加还增加了菌丝体生长的持续时间，完成孢子形成的时间以及一个生产周期的总时间。麦麸水分含量的增加导致基质的最终水分含量较高（74-76％），这又导致将基质干燥至15-18％所需的较长时间（8-9天）压实和细菌污染。最初被添加到麦麸中以用于产卵的衣原体和淡淡拟青霉的分生孢子的最佳比例为1：1（v / w）。

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