Dictionary » B » Blight

Blight

Blight

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.

5. A rashlike eruption on the human skin.


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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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by biohazard
Mon Jan 26, 2009 10:36 am
 
Forum: Evolution
Topic: Human Evolution and one race
Replies: 19
Views: 1976

Human Evolution and one race

Put 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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by mith
Mon Jan 26, 2009 8:07 am
 
Forum: Evolution
Topic: Human Evolution and one race
Replies: 19
Views: 1976

The Fiber Disease

... in seeds may detoxify the seed while maintaining overall plant resistance. Genes in this pathway and others that are active during bacterial blight resistance are being sought. (1504) Sponsors: National Science Foundation, Cotton Incorporated, USDA/ARS Southern Crops Research Laboratory, ...

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by Nadas Moksha
Sun Nov 05, 2006 4:43 am
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 749507

Human eugenics, are you for or against it?

... artificially select for a certain rice crop, and that this selection process weeds a lot of variation out of the rice genome. What happens when a blight hits and there's no innate resistance in the rice? A famine, that's what. 2) It's impractical to get rid of recessive alleles, for three reasons: ...

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by rvidal
Wed Nov 01, 2006 1:08 am
 
Forum: Genetics
Topic: Human eugenics, are you for or against it?
Replies: 17
Views: 2065

Human eugenics, are you for or against it?

... artificially select for a certain rice crop, and that this selection process weeds a lot of variation out of the rice genome. What happens when a blight hits and there's no innate resistance in the rice? A famine, that's what. 2) It's impractical to get rid of recessive alleles, for three reasons: ...

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by G-Do
Sat Oct 28, 2006 7:44 pm
 
Forum: Genetics
Topic: Human eugenics, are you for or against it?
Replies: 17
Views: 2065
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