Results 171 to 180 of about 6,982 (224)
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Mycoparasitism of Sclerotia of Sclerotium Cepivorum.
Australasian Plant Pathology, 1989Four fungal species were recorded in vitro as potential mycoparasites of sclerotia of Sclerotium cepivorum, the causal agent of onion white rot. Parasitised sclerotia appeared shrunken and decayed and failed to germinate. Light and scanning electron microscopy revealed colonisation of the internal structure of the sclerotium by the mycoparasites.
A Stewart, YA Harrison
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Germination of sclerotia of Stromatinia gladioli
Transactions of the British Mycological Society, 1980Undamaged sclerotia of Stromatinia gladioli (Drayt.) Whetz. remained dormant in the absence of host plants. In tests with seedlings and plant tissue extracts, sclerotia germinated only in response to host species. The sclerotial germination stimulant was present in Gladiolus root exudate. Under aseptic conditions sclerotia germinated freely without
T.M. Jeves, J.R. Coley-Smith
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Soil Biology and Biochemistry, 1971
Abstract Pure culture sclerotia of Sclerotium cepivorum stimulated development of a number of bacteria on agar media. Using Bacillus subtilis and a chemically defined medium it was found that sclerotia could compensate for the absence of a carbon source but not of other constituents.
J.R. Coley-Smith, D.J. Dickinson
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Abstract Pure culture sclerotia of Sclerotium cepivorum stimulated development of a number of bacteria on agar media. Using Bacillus subtilis and a chemically defined medium it was found that sclerotia could compensate for the absence of a carbon source but not of other constituents.
J.R. Coley-Smith, D.J. Dickinson
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Sclerotia of the Gasteromycete Pisolithus tinctorius
Canadian Journal of Microbiology, 1980Hyphal masses, morphologically identified as the sclerotia of Pisolithus tinctorius, were found associated with root systems of containerized pine seedlings inoculated with this mycorrhizal fungus. The sclerotia are described and the results and method used for isolation are reported.
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Large sclerotia of Sclerotium cepivorum
Transactions of the British Mycological Society, 1988Sclerotia of Sclerotium cepivorum much larger than typical infective sclerotia were common on naturally infected onions at Pukekohe, New Zealand, during one season but were rare in the next. They could not be recovered from soil one year after their most common occurrence. Similar large sclerotia were formed in culture on autoclaved wheat grains.
D. Backhouse, A. Stewart
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The development of sclerotia of certain fungi
Transactions of the British Mycological Society, 1954The development of sclerotia of six species of fungi was studied and three different methods of formation were distinguished. Sclerotial initials of Rhizoctonia solani develop by the increased branching and septation of the ordinary hyphae. The mature sclerotia are rather loosely constructed of brown barrel-shaped cells with dense contents ...
Brenda B. Townsend, H.J. Willetts
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The respiration of sclerotia of Sclerotium rolfsii
Mycopathologia et Mycologia Applicata, 1967The respiration of sclerotia ofS. rolfsii was investigated using the Warburg constant-volume respirometer to measure oxygen uptake. The effects of age of sclerotia, pH, and temperature were studied. Sclerotia produced on prune agar were ideal for respirometric studies, being uniformly round and of approximately equal size.
Martha D. Bard, Charles L. Fergus
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Testing the viability of fungal sclerotia
Annals of Applied Biology, 1970SUMMARYSimple methods for producing, handling and testing the viability of sclerotia were used on five fungi, three of which produced sclerotia freely in sand‐maizemeal cultures; the other two did not, and were grown on agar. After air drying, which did not affect viability, sclerotia were buried in the field in bags of nylon fabric.
J. R. COLEY‐SMITH, Z. U. R. JAVED
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Soil Biology and Biochemistry, 1983
Abstract The proportion of viable sclerotia of Sclerotium cepivorum placed in field plots in Burnaby, British Columbia, decreased with time ( P = 0.05). Sclerotia that had been air-dried for 48–72 hr had a lower percentage survival than those that had not been dried. Sclerotia placed on the soil surface decayed more rapidly than those buried at 15
Mary E. Leggett, J.E. Rahe, R.S. Utkhede
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Abstract The proportion of viable sclerotia of Sclerotium cepivorum placed in field plots in Burnaby, British Columbia, decreased with time ( P = 0.05). Sclerotia that had been air-dried for 48–72 hr had a lower percentage survival than those that had not been dried. Sclerotia placed on the soil surface decayed more rapidly than those buried at 15
Mary E. Leggett, J.E. Rahe, R.S. Utkhede
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The structure and histochemistry of sclerotia ofOphiocordyceps sinensis
Mycologia, 2008The structure and histochemistry of sclerotia of Ophiocordyceps sinensis (synonym: Cordyceps sinensis) are described. The remains of the caterpillar epidermis and sometimes setae of the caterpillar were attached to the pigmented layer that is external to the rind of the sclerotium.
X K, Xing, S X, Guo
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