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Dictionary » B » Blight BlightBlight 1. To affect with blight; to blast; to prevent the growth and fertility of. [This vapor] blasts vegetables, blights corn and fruit, and is sometimes injurious even to man. (Woodward) 2. Hence: to destroy the happiness of; to ruin; to mar essentially; to frustrate; as, to blight one's prospects. Seared in heart and lone and blighted. (Byron) Origin: Perh. Contr. From as. Blicettan to glitter, fr. The same root as E. Bleak. The meaning to blight comes in that case from to glitter, hence, to be white or pale, grow pale, make pale, bleach. Cf. Bleach, bleak. 1. Mildew; decay; anything nipping or blasting; applied as a general name to various injuries or diseases of plants, causing the whole or a part to wither, whether occasioned by insects, fungi, or atmospheric influences. 2. The act of blighting, or the state of being blighted; a withering or mildewing, or a stoppage of growth in the whole or a part of a plant, etc. 3. That which frustrates one's plans or withers one's hopes; that which impairs or destroys. A blight seemed to have fallen over our fortunes. (Disraeli) 4. (Science: zoology) a downy species of aphis, or plant louse, destructive to fruit trees, infesting both the roots and branches; also applied to several other injurious insects. ![]()
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Results from our forumRe: Koch's postulates or De Barry'sThink you refer to Anton deBary? Not aware he had "postulates" per se - but he did show the fungal etiology for potato blight by using the then-innovative concept of an uninoculated control.
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CULTIVAR RESISTANT FOR LATE BLIGHT OF POTATO phytophthora infestans is having many races,if we develop an race specific resistant(qualitative/vertical) cultivar ,that may become susceptible for same race in shorter period.so we have to develop a cultivar with quantitative/horizontal resistance ,this resistance is governed by many genes and it...
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Phytophthora infestansCan anyone tell me the size of spore one is likely to encounter with potato blight? The reason I ask is that I am trying to ascertain if any of the breathable membranes or sheeting (such as high-density polyethylene I think) might have holes small enough to allow ...
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Human Evolution and one race... special cases (like in mith's wheat field), one distinct race/strain with desirable abilities may be a better option - at least until you get that blight or something!
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Human Evolution and one racePut it this way, if you're diverse enough, you could hardly be considered a race, and if you're not diverse enough, one potato blight would kill off all your kind. Given that greater diversity is almost always beneficial, why would you limit yourself to one race? The only way I could ...
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