NDLI: Universiti Putra Malaysia Effect of Temperature on Sporophore Development and Extracellular Enzyme Production in Agaricus Bitorquis (quel.) Saccardo Lee Su Wee

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Universiti Putra Malaysia Effect of Temperature on Sporophore Development and Extracellular Enzyme Production in Agaricus Bitorquis (quel.) Saccardo Lee Su Wee

Content Provider	Semantic Scholar
Copyright Year	2010
Abstract	of thesis presented to the Senate ofUniversiti Putra Malaysia in fulfilment of the requirement for the degree of Master ofScience. DEVELOPMENT AND EXTRACELLULAR ENZYME PRODUCTION IN AGARICUS BITORQUIS (QUEL.) SACCARDO By LEESUWEE April 2001 Chairman: Dr. Misri Knsnan Facnlty: Science and Environmental Stndies This study was carried out to determine the optimum temperature of different stages of Agaricus bitorquis fruit body development from 2 mm to cup stage. Changes in extracellular CM-cellulase and laccase in compost during growth and fruiting were monitored in order to understand the underlying biochemical changes. Fruit bodies were produced at all sets of temperature conditions in rhythmic cycle. Effect of temperature on sporophore development and enzyme production could only be truly tested in the first flush as non-uniform condition of substrate occurred in the later flushes. Incubation of 2 to 10 mm stage at 23°C (Sets II, III) gave an increase of 58.9"10 in percentage of primordia survival when compared to that at 30°C (Set I). Exposure of 10 mm stage sporophores to 30°C did not affect them from growing satisfuctorily. Maximum yield (g of fresh mushroom weight) was attained by Set III cultures, followed by Set II cultures and Set I cultures. The highest average weight of harvested mushroom was attained by cultures kept at 30°C throughout 2 mm to cup stage (Set I). The time taken for sporophores maturation was shortest in Set I, Set II, and Set III temperature condition, in descending order. A rise in temperature from 23°C to 30°C during 10 mm to cup stage
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://psasir.upm.edu.my/id/eprint/9467/1/FSAS_2001_33_A.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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