Sensitivity of the Nematophagous Fungus Arthrobotrys oligospora to Fungicides, Insecticides and Crop Supplements Used in the Commercial Cultivation of Agaricus bisporus | ||
| Journal of Agricultural Science and Technology | ||
| Article 10, Volume 10, Issue 4, 2008, Pages 383-389 PDF (98.44 K) | ||
| Authors | ||
| E. Mohammadi Goltapeh* 1; M. Shams-bakhsh1; B. S. Pakdaman2 | ||
| 1Department of Plant Pathology, College of Agriculture, Tarbiat Modares University, Tehran, Islamic Republic of Iran. | ||
| 2Department of Microorganisms, Bio-resources and Biosafety, Agricultural Biotechnology Research Institute of Iran, Karaj, Islamic Republic of Iran. | ||
| Abstract | ||
| The effect of various pesticides (diflubenzuro, malathion, mancozeb and carbendazim), disinfectants (calcium hypochlorite and formaldehyde) and oil cakes (sunflower and soy-bean oil cakes) commonly used as supplements in mushroom cultivation on the growth of the nematophagous fungus, Arthrobotrys oligospora, was studied under in vitro conditions. Carbenazim caused 99% inhibition of radial mycelial growth in Petri dishes at all concen-trations tested (10-40 µg a. i. ml-1) in comparison to non treated dishes. Mancozeb caused 43% and 23% inhibition at 250 and 500 µg a. i. ml-1 respectively and 99% inhibition at concentration of 1000 µg a. i. ml-1 and above. Diflubenzuro and malathion at 10-40 µg a. i. ml-1 caused 30-41% and 24-54% inhibition, respectively. Formalin (0.5-2.0% v/v) inhib-ited growth of A. oligospora completely. However, calcium hypochlorite, sunflower and soybean oil cake at concentrations of up to 2.0% w/v caused less than 3.5% inhibition. | ||
| Keywords | ||
| Agaricus bisporus; Arthrobotrys oligospora; Biocontrol; Disinfectant and Oil cakes | ||
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