Morphological and physiological characteristics of different isolates of pestalotiopsis spp.

Siti Khuzaimah, Bt Ahmad. (2015) Morphological and physiological characteristics of different isolates of pestalotiopsis spp. [E-LPTA] (Unpublished)

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Abstract

Morphological and physiological characteristics of Pesfa lo(iopsis spp. were studied. Six isolates of Pesfa/oriopsis isolated from Shorea macrophy/la, ornamental and Rhododenron leaves and also from guava fruil. The identification of this fungus was done based on the morphological and physiological characteristics. The growth of Pesta/oliopsis was tested on potato dextrose agar (PDA), potato carrot agar (PCA) and IUalt extract agar (MEA). The growth of this fungus at different temperature, pH, light eonditions and macro elements were also examined. There was significanl difference at P<O.OS of effect of media on the growth of fungi. The rapid growth was recorded on PDA for isolates 1077 and 109 1. The media showed no significant effect on colony growth of isolates 1214, 1213 and 1080. Isolate 1202 grew significantly faster on PDA and PCA compared on MEA. There was significant difference at P<O.OS of effect of temperature on the growth of fungi. The optimum temperature of growth for isolates 12}4) 1202 and 1213 was at 25°C. However, the optimum temperature for growth of isolate 1077, isolate 1080 and isolate 1091 was in a range of lSoC to 20°C, 20°C to 30°C and ISoC to 30°C respectively. Different isolate of Pestalotiopsis able to grow at the different pH, however, the optimum pH for growth varied depending on the isolate. Macro element significantly affected the growth of Pesta/oticpsis isolates. Pesraloliopsis grew faster in dark condition compared to under light condition.

Item Type: E-LPTA
Additional Information: Project report (BSc.) - Universiti Malaysia Sarawak, 2005.
Uncontrolled Keywords: Pestalotiopsis, morphologicy, physiology, growth test and colony growth, unimas, university, universiti, Borneo, Malaysia, Sarawak, Kuching, Samarahan, ipta, education, undergraduate, research, Universiti Malaysia Sarawak
Subjects: Q Science > QD Chemistry
Divisions: Academic Faculties, Institutes and Centres > Faculty of Resource Science and Technology
Depositing User: Saman
Date Deposited: 20 Mar 2018 03:00
Last Modified: 20 Mar 2018 03:01
URI: http://ir.unimas.my/id/eprint/19877

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