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Yield and size of oyster mushroom grown on rice/wheat straw basal substrate supplemented with cotton seed hull

文献类型： 外文期刊

作者： Yang, WenJie 1 ; Guo, FengLing 2 ; Wan, ZhengJie 1 ;

作者机构： 1.Huazhong Agr Univ, Coll Hort & Forestry Sci, Minist Educ, Key Lab Hort Plant Biol, Wuhan 430070, Hubei, Peoples R China

2.Hubei Acad Agr Sci, Inst Cash Crops, Wuhan 430064, Peoples R China

关键词： Cotton seed hull;Non-sterilized substrate;Pleurotus ostreatus;Rice straw;Sterilized substrate;Wheat straw

期刊名称：SAUDI JOURNAL OF BIOLOGICAL SCIENCES （ 影响因子：4.219； 五年影响因子：4.432 ）

ISSN： 1319-562X

年卷期： 2013 年 20 卷 4 期

页码：

收录情况： SCI

摘要： Oyster mushroom (Pleurotus ostreatus) was cultivated on rice straw basal substrate, wheat straw basal substrate, cotton seed hull basal substrate, and wheat straw or rice straw supplemented with different proportions (15%, 30%, and 45% in rice straw substrate, 20%, 30%, and 40% in wheat straw substrate) of cotton seed hull to find a cost effective substrate. The effect of autoclaved sterilized and non-sterilized substrate on growth and yield of oyster mushroom was also examined. Results indicated that for both sterilized substrate and non-sterilized substrate, oyster mushroom on rice straw and wheat basal substrate have faster mycelial growth rate, comparatively poor surface mycelial density, shorter total colonization period and days from bag opening to primordia formation, lower yield and biological efficiency, lower mushroom weight, longer stipe length and smaller cap diameter than that on cotton seed hull basal substrate. The addition of cotton seed hull to rice straw and wheat straw substrate slowed spawn running, primordial development and fruit body formation. However, increasing the amount of cotton seed hull can increase the uniformity and white of mycelium, yield and biological efficiency, and increase mushroom weight, enlarge cap diameter and shorten stipe length. Compared to the sterilized substrate, the non-sterilized substrate had comparatively higher mycelial growth rate, shorter total colonization period and days from bag opening to primordia formation. However, the non-sterilized substrate did not gave significantly higher mushroom yield and biological efficiency than the sterilized substrate, but some undesirable characteristics, i.e. smaller mushroom cap diameter and relatively long stipe length. (c) 2013 King Saud University. Production and hosting by Elsevier B.V. All rights reserved.

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