Xanthomonas campestris pv. poannua
Biological herbicide (bacterium)
NOMENCLATURE: Approved name: Xanthomonas campestris pv. poannua Dows. Other names: Formerly known as: Bacillus campestris Pam. and Pseudomonas campestris Sm.
SOURCE: Isolated from diseased annual meadow grass (Poa annua L.).
PRODUCTION: Produced by fermentation.
TARGE... |
Xenia
The immediate visual effect of pollen on the endosperm due to the phenomenon of double fertilization in the seed plants. |
Xenopathic set
A population of a pathogen that is characterised by its pathogenicities on a limited series of hostplant species, varieties or cultivars, but may otherwise be genetically heterogeneous, even in its pathogenic potentialities. A term coined (in litt.) by E. R. Wallace as a more precise substitute for physiologic race. It takes into account the incompleteness of the information which provides the bas... |
xeric
pertaining to sites or habitats characterized by decidedly dry conditions
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Source: Dictionary of Forestry (1998) published by the Society of American Foresters, 5400 Grosvenor Lane, Bethesda, MD 20814-2198. Not for further reproduction. |
xérico
Deutsch: xerisch
English: xeric [definition]
Français: xérique [definition]
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xérique
Se dit des sols ou habitats caractérisés par une sécheresse indiscutable. |
xerisch
English: xeric [definition]
Español: xérico
Français: xérique [definition]
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xerófilas
diz-se das plantas que vivem em ambiente seco, hostil, como parte da zona do nordeste brasileiro; diz-se, também, da estrutura das folhas desses vegetais |
xerófilo
Deutsch: xerophil
English: xerophile
Français: xérophile [definition]
Portugués: xerófilas [definition]
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xerofita
Deutsch: Xerophyt
English: xerophyte [definition]
Français: xérophyte [definition]
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