black rust

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 diseases of plants caused by rusts and characterized by black discoloration resulting from the fungal teliospores.
[1780-90, Amer.]

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black rust,
1. a disease of the leaves and stems of wheat and other cereals and grasses.
2. a fungus with dark-colored spores that causes it.

Useful english dictionary. 2012.

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Look at other dictionaries:

  • Black rust — Black Black (bl[a^]k), a. [OE. blak, AS. bl[ae]c; akin to Icel. blakkr dark, swarthy, Sw. bl[ a]ck ink, Dan. bl[ae]k, OHG. blach, LG. & D. blaken to burn with a black smoke. Not akin to AS. bl[=a]c, E. bleak pallid. [root]98.] 1. Destitute of… …   The Collaborative International Dictionary of English

  • black rust — ☆ black rust n. any of several diseases of grasses, cereals, etc. caused by a rust fungus (genus Puccinia) …   English World dictionary

  • black rust — /blæk ˈrʌst/ (say blak rust) noun an obligate fungal parasite of cereals and grasses in which black masses of spores appear on leaves and stems …  

  • black rust — Plant Pathol. any of several diseases of plants caused by rusts and characterized by black discoloration resulting from the fungal teliospores. [1780 90, Amer.] * * * …   Universalium

  • Black — (bl[a^]k), a. [OE. blak, AS. bl[ae]c; akin to Icel. blakkr dark, swarthy, Sw. bl[ a]ck ink, Dan. bl[ae]k, OHG. blach, LG. & D. blaken to burn with a black smoke. Not akin to AS. bl[=a]c, E. bleak pallid. [root]98.] 1. Destitute of light, or… …   The Collaborative International Dictionary of English

  • Black act — Black Black (bl[a^]k), a. [OE. blak, AS. bl[ae]c; akin to Icel. blakkr dark, swarthy, Sw. bl[ a]ck ink, Dan. bl[ae]k, OHG. blach, LG. & D. blaken to burn with a black smoke. Not akin to AS. bl[=a]c, E. bleak pallid. [root]98.] 1. Destitute of… …   The Collaborative International Dictionary of English

  • Black and tan — Black Black (bl[a^]k), a. [OE. blak, AS. bl[ae]c; akin to Icel. blakkr dark, swarthy, Sw. bl[ a]ck ink, Dan. bl[ae]k, OHG. blach, LG. & D. blaken to burn with a black smoke. Not akin to AS. bl[=a]c, E. bleak pallid. [root]98.] 1. Destitute of… …   The Collaborative International Dictionary of English

  • Black angel — Black Black (bl[a^]k), a. [OE. blak, AS. bl[ae]c; akin to Icel. blakkr dark, swarthy, Sw. bl[ a]ck ink, Dan. bl[ae]k, OHG. blach, LG. & D. blaken to burn with a black smoke. Not akin to AS. bl[=a]c, E. bleak pallid. [root]98.] 1. Destitute of… …   The Collaborative International Dictionary of English

  • Black antimony — Black Black (bl[a^]k), a. [OE. blak, AS. bl[ae]c; akin to Icel. blakkr dark, swarthy, Sw. bl[ a]ck ink, Dan. bl[ae]k, OHG. blach, LG. & D. blaken to burn with a black smoke. Not akin to AS. bl[=a]c, E. bleak pallid. [root]98.] 1. Destitute of… …   The Collaborative International Dictionary of English

  • Black bear — Black Black (bl[a^]k), a. [OE. blak, AS. bl[ae]c; akin to Icel. blakkr dark, swarthy, Sw. bl[ a]ck ink, Dan. bl[ae]k, OHG. blach, LG. & D. blaken to burn with a black smoke. Not akin to AS. bl[=a]c, E. bleak pallid. [root]98.] 1. Destitute of… …   The Collaborative International Dictionary of English

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