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American Journal of Plant Physiology
  Year: 2009 | Volume: 4 | Issue: 2 | Page No.: 80-88
DOI: 10.3923/ajpp.2009.80.88
 
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Effect of Different Variation of NH4+ Compared to N (NH4+ + NO3-) Fertilization of Tomato (Lycopersicum esculentum) Cultivated in Inert Media on the Fecundity of the Aphids Macrosiphum euphorbiae (Homptera-Aphididae)
A. Latigui and A. Dellal

Abstract:
Changes of 0, 20 and 35% of NH4+ compared to N (NH4++NO3–) nutrient solutions of Lycopersicum esculentum L. cultivated on inert media on the multiplication of Macrosiphum euphorbiae (Aphididae Homomptera) were tested. The use of 0% NH4+ decreased 12% the fertility of aphids compared to 20% NH4+ and 17% compared to 35% NH4+. Reproduction of aphids on the leaves of flowering inflorescence increased 33% compared to that of the fruit setting inflorescence and 40% compared to that of the magnification inflorescence and 52% relative to the fixed level. The interruption of the fertilization of plant and its replacement by water for 4 days decreased 45% the fertility of aphids in the fourth inflorescence and 36% in the seventh inflorescence.
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How to cite this article:

A. Latigui and A. Dellal, 2009. Effect of Different Variation of NH4+ Compared to N (NH4+ + NO3-) Fertilization of Tomato (Lycopersicum esculentum) Cultivated in Inert Media on the Fecundity of the Aphids Macrosiphum euphorbiae (Homptera-Aphididae). American Journal of Plant Physiology, 4: 80-88.

DOI: 10.3923/ajpp.2009.80.88

URL: https://scialert.net/abstract/?doi=ajpp.2009.80.88

COMMENTS
02 October, 2009
syaifiyatul hasanah:
this paper has given me a small understanding about the factor which has causality between two matterial
 
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