Damping-off of sugar beet with special reference to the fungus Pythium Pringsheim
نویسندگان
چکیده
منابع مشابه
Damping-off of Sweetgnm by Pythium sylvaticum
During the spring of 1964, preand postemergence damping-off killed many sweetgum (Liquidambar styraciftua L.) seedlings in a nursery at Stoneville, Miss. Fusarium solani (Mart.) Appel & Wr., Sclerotium rolfsii Sacc., Talaromyces spiculisporum Benjamin, and Pythium sylvaticum Campbell & F.F.Hendrix were isolated from the diseased seedlings. At soil temperatures similar to those prevailing when d...
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Seven seed borne fungi were isolated from sugar beet seeds viz. Alternaria alternata, Helminthosporium sp., Rhizopus stolonifer, Epicoccum sp., Rhizoctonia solani, Phoma betae and Fusarium oxysporium f. sp. betae. The last three fungi were found internal, while the others were external on seed surface. The internal fungi caused root-rot disease to sugar beet plants. Tre11tment of seeds with eac...
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damping-off is an important disease of safflower in iran, that caused by pythium ultimum. because of its importance, fungi isolates were sampled from infected plants grown in research farm of the college of agriculture, gorgan university of agricultural sciences and natural resources, in 2006. also it has been proved that the disease caused by pythium ultimum. evaluation of seventeen safflower ...
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The population of Rudbar in northern Iran, is due to Steep slopes of topography, Sloping Loose Materials, active tectonic phases, Construction of roads and railways, from areas prone to landslide events .In this reaserch, in the first phase, based on ground surveys, a geologic map of 1: 25,000, satellite images and other data of Rudbar region, range and status of landslides of the region were ...
متن کاملinvestigation of antagonistic effect of bacillus subtilis on biological control of sugar beet damping - off disease
due to the high antagonistic activity of bacterium, bacillus subtilis (ehrenberg) cohn, three isolates (b.s.ham, 204 and 202) were selected and their efficacy were studied in control of sugar beetdamping–off caused by rhizoctonia solani , in in vitro and in vivo conditions. in dual culture on pda, all isolates of b.subtilis inhibited mycelial growth of r.solani. significantly, volatile metab...
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ژورنال
عنوان ژورنال: Agricultural and Food Science
سال: 1988
ISSN: 1795-1895,1459-6067
DOI: 10.23986/afsci.72285