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Articles by A. Guechi
Total Records ( 1 ) for A. Guechi
  A. Mebarkia , A. Guechi , S. Mekhalif and M. Makhlouf
  The aim of this study is the effect of the trophic medium on the biotic potential of the two species, Sitophilus granarius L. and Rhyzopertha dominica F. and the relationship between biological observations and the quantitative loss induced by the development of insects. The quality and sensibility of cereals influential the behaviour of the 2 pests. The average descent was influenced by the cereal type. Therefore, in specific mono-population, the average emergence per day, for the corn, varies from 0.61 for S. granarius L. to 0.12 for R. dominica F.; on the other hand for the soft wheat, it varies from 4.35 to 5.81, respectively. Whereas, in hetero-specific population, sensibility of the various cereals types to the attacks by R. dominica F. increases in the presence of S. granarius L., for an initial rate of infestation of 2 couples. The reverse was observed if the rate of infestation was doubled. The longest duration of development was observed for the corn with 40 and 55 days for S. granarius L. and R. dominica F., respectively. Shortest was recorded for the rice with 28 and 42 days for both. The highest loss of dry matter, in soft wheat with 4.74 and 6.09% for R. dominica F. and S. granarius L., respectively, while in corn was less than 1%.
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