stem rust
noun Date: 1899 1. a rust attacking the stem of a plant; especially a destructive disease especially of wheat caused by a rust fungus (Puccinia graminis) which produces reddish-brown lesions in the uredospore stage and black lesions in the teliospore stage and has any of several plants of the barberry family as an intermediate host 2. the fungus causing stem rust

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • stem rust — stem′ rust n. 1) ppa any of several fungal diseases of plant stems, esp. a disease of wheat and other grasses characterized by pustules of red, then black spores 2) ppa any fungus causing this • Etymology: 1915–20 …   From formal English to slang

  • Stem rust — Puccinia graminis Scientific classification Kingdom: Fungi Phylum …   Wikipedia

  • stem rust — noun 1. : a rust attacking the stem of a plant; especially : a destructive disease of wheat and various other grasses that is caused by a rust fungus (Puccinia graminis), is characterized by reddish brown lesions in the uredostage of the parasite …   Useful english dictionary

  • stem rust — Plant Pathol. 1. any of several fungal diseases of plants affecting the stems, esp. a disease of wheat and other grasses characterized by pustules of red and then black spores. 2. any of the fungi causing such a disease. [1915 20] * * * …   Universalium

  • Stem rust (barley) — Stem rust is a fungal disease of barley caused by Puccinia graminis f.sp. tritici and Puccinia graminis f.sp. secalis .cite book last = Mathre first = D.E. title = Compendium of barley diseases publisher = American Phytopathological Society date …   Wikipedia

  • black stem rust — noun : stem rust in the teliospore stage * * * black stem rust, the telial stage of stem rust …   Useful english dictionary

  • wheat stem rust — noun : wheat rust 1a …   Useful english dictionary

  • rust — /rust/, n. 1. Also called iron rust. the red or orange coating that forms on the surface of iron when exposed to air and moisture, consisting chiefly of ferric hydroxide and ferric oxide formed by oxidation. 2. any film or coating on metal caused …   Universalium

  • rust — rÊŒst n. flaky orange coating which forms on metal due to the oxidation of iron; fungal disease of plants characterized by reddish or brown spots on the leaves and stem (Botany) v. become corroded due to the oxidation of iron, become rusty …   English contemporary dictionary

  • black rust — noun 1. : a plant rust producing black discoloration; especially : black stem rust 2. : stem rust 2; especially : the uredostage of this fungus * * * Plant Pathol. any of several …   Useful english dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”