facultative parasites

Listing 1 - 5 from 5 for facultative parasites

Brown Patch on Turfgrass
... cooler temperatures and/or dry condition. Causal Organism Rhizoctonia species are best characterized as being facultative parasites. The fungus survives on decaying organic matters or in soil, but will use living plant ...
ohioline.osu.edu

APSnet Education Center - Introductions to the Major Pathogen Groups - Introduction to Parasitic Flowering Plants
... as holoparasites, hemiparasites, obligate parasites, or facultative parasites (Figure 3). Facultative parasites contain chlorophyll and can be grown to maturity without hosts. Obligate parasites, on the other hand, ... produce one of its own? Resource allocation studies of parasites might help answer this question. Facultative hemiparasites have transpiration rates higher than their hosts, ...
www.apsnet.org

gloss
... free water occurs in the lumens. Facultative parasites - Organisms that are ordinarily saprophytic but under certain conditions may become parasitic. Facultative saprophytes - Organisms that usually live as parasites but under certain conditions are capable ...
www.cals.ncsu.edu

Trees Part 5
... fungi usually live on dead organic matter in the soil but they can become virulent parasites of living plants. They attack young seedlings at, above, or below the soil line. Several ... known. Botryodiplodia Canker (fungus - Botryodiplodia theobromae): This fungus is known generally as a weak or facultative parasite with a wide host range. However, in Texas it has caused a rapid death ...
plantpathology.tamu.edu

FAQ - Fungi and Mycorrhizae
... the saprophytic activity of the fungi. Fungi as parasites cause serious diseases (pathogenic) to animals, plants and other fungi. As obligate or biotrophic parasites such as wheat rust, they must obtain ... Tuber (truffle) or Cenococcum (false truffle) to name a few, are all ectomycorrhizal. They are facultative symbionts of the roots of forest trees and their colonization can seen with the naked ...
res2.agr.gc.ca