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KASSIS, S., SHEMAIS, S. (2002). CHEMICAL AND BIOLOGICAL STUDIES ON WHEAT GRAINS TREATED WITH PLANT OILS AND PLANT OILS - MALATHION MIXTURE, AGAINST SITOPHILUS ORYZAE AND RHIZOPERTHA DOMINICA DURING STORAGE.. Egyptian Journal of Agricultural Research, 80(4), 1551-1561. doi: 10.21608/ejar.2002.313141
SHEREEF R. KASSIS; SAWSAN A. SHEMAIS. "CHEMICAL AND BIOLOGICAL STUDIES ON WHEAT GRAINS TREATED WITH PLANT OILS AND PLANT OILS - MALATHION MIXTURE, AGAINST SITOPHILUS ORYZAE AND RHIZOPERTHA DOMINICA DURING STORAGE.". Egyptian Journal of Agricultural Research, 80, 4, 2002, 1551-1561. doi: 10.21608/ejar.2002.313141
KASSIS, S., SHEMAIS, S. (2002). 'CHEMICAL AND BIOLOGICAL STUDIES ON WHEAT GRAINS TREATED WITH PLANT OILS AND PLANT OILS - MALATHION MIXTURE, AGAINST SITOPHILUS ORYZAE AND RHIZOPERTHA DOMINICA DURING STORAGE.', Egyptian Journal of Agricultural Research, 80(4), pp. 1551-1561. doi: 10.21608/ejar.2002.313141
KASSIS, S., SHEMAIS, S. CHEMICAL AND BIOLOGICAL STUDIES ON WHEAT GRAINS TREATED WITH PLANT OILS AND PLANT OILS - MALATHION MIXTURE, AGAINST SITOPHILUS ORYZAE AND RHIZOPERTHA DOMINICA DURING STORAGE.. Egyptian Journal of Agricultural Research, 2002; 80(4): 1551-1561. doi: 10.21608/ejar.2002.313141

CHEMICAL AND BIOLOGICAL STUDIES ON WHEAT GRAINS TREATED WITH PLANT OILS AND PLANT OILS - MALATHION MIXTURE, AGAINST SITOPHILUS ORYZAE AND RHIZOPERTHA DOMINICA DURING STORAGE.

Article 6, Volume 80, Issue 4, December 2002, Page 1551-1561  XML PDF (3.38 MB)
Document Type: Original Article
DOI: 10.21608/ejar.2002.313141
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Authors
SHEREEF R. KASSIS; SAWSAN A. SHEMAIS
Plant Protection Research Institute, Agricultural Research Centre, Dokki, Giza, Egypt
Abstract
Olive oil, soybean oil, oil-malathion mixture beside malathion as a typical insecticide were tested to protect wheat grains against Sitophilus oryzae and Rhizopertha dominica infestation during storage. The efficiency of soybean oil was higher than olive oil where the LC50 of both treatments were 3.92 and 8.85 nil/kg wheat grains for Si‌tophilus oryzae and 12.53 and 14.60 ml/kg wheat grains for Rhizoper‌tha dominica, respectively. Malathion at the extremely lowest concentration used had immedi‌ate lethal effect than plant oils. Olive oil at any tested dose, gave a complete protection for wheat grains during six months, meanwhile soybean oil failed to give the same protection after two months. The adult mortality increased by increasing the concentration of the tested oils or the addition of malathion. Application of oils showed an increase in fat acidity value and a neg-ligible decrease in percentage of germination. KEY WORDS: Sitophilus oryzae (L.), Rhizopertha dominica (F.), Malathi‌on, olive and soybean oils. 
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