resting spores

Listing 1 - 10 from 61 for resting spores

nvps journal:PRELIMINARY REPORT ON STEM AND ROOT ROT OF VIOLA AND PANSY
... average diameter of the oospores (or resting spores) (Fig 1.C) developed upon maize extract agar (D-21, E-20, H-19.5 microns). Conidia (asexual spores) (Fig 1.D) of E are ... grown upon sterile vegetable matter that is later mixed with garden soil which, after a resting period of five days, is planted with clean Viola seedlings. These experiments are merely preliminary ...
myweb.tiscali.co.uk

nvps journal:
... the leaves; very similar to that which appears on roses. The fungal spores are carried by rain splash, and resting spores in dead plant material can remain dormant for years in the soil ...
myweb.tiscali.co.uk

Red Stele Root Rot of Strawberry, HYG-3014-95
... as thick-walled resting spores (oospores). When the soil is moist or wet, some of the oospores germinate and form structures called sporangia, which are filled with the infectious spores of the fungus ...
ohioline.osu.edu

Phytophthora Root Rot of Raspberry, HYG-3207-98
... roots or as dormant resting spores in the soil. When the soil is moist, reproductive structures (sporangia) are formed upon the infected tissue or by germinating resting spores (oospores) in the soil. Within each of these structures, a number of individual spores called zoospores are formed. These zoospores ...
ohioline.osu.edu

Leather Rot of Strawberry, HYG-3201-95
... is caused by the fungus, Phytophthora cactorum. The fungus survives the winter as thick-walled, resting spores, called oospores, that form within infected fruit as they mummify. These oospores can remain viable ...
ohioline.osu.edu

Damping-off and Root Rot of Beans HYG-3110-95
... periods in soil, even in the absence of beans, by the production of thick-walled resting spores. Its host is mainly green beans, but lima beans and garden peas are also susceptible ... host. These fungi can survive in soil for many years, either by producing thick-walled resting spores, or in a vegetative condition within crop residues left from previous years. They may also ...
ohioline.osu.edu

Downy Mildew of Crucifers, HYG-3124-96
... diseased plants. Thick-walled resting spores may form in stems, cotyledons, and other fleshy parts of infected host plants. On growing plants, the fungus produces large numbers of spores that are blown about ... water film on the foliage from fog, drizzling rain, or dew allows spores to germinate, infect, and produce more spores on a susceptible host in as few as 4 days. Management Use ...
ohioline.osu.edu

SWEET PEA
... sometimes break. With a hand lens, many small salmon-colored pustules bearing great quantities of spores can be seen on the diseased parts. Gather and burn all infected plant parts after ... ): Under moist conditions, the leaves become covered with a grayish moldy growth. Thick-walled, brown resting spores develop within the moldy tissue. Since this is not a serious disease of this host ...
plantpathology.tamu.edu

Mycology - Structure and Function - Spores
... Stromata Sclerotia Germination Conclusion Questions Spores, Sexual and Asexual Introduction Spores are specialised cells of the fungus that can function as resting or dispersal propagules. Each spore has the potential to generate another individual of the species. In contrast to seeds, spores ...
bugs.bio.usyd.edu.au

Black Root Rot of Greenhouse Floral Crops, HYG-3066-96
... without causing disease) and surviving in soil and dust for years via tiny, thick-walled spores called chlamydospores. Plants may be infected but not show symptoms until the plant undergoes ... that may appear symptomless or nearly so. Thielaviopsis produces resistant "resting" spores on infected host tissue in tremendous numbers. These spores can be splashed about or blown about in dust in ...
ohioline.osu.edu