Cairo University Libraries portal Search for 'au:"Mohamed Helmy Belal"'with limit(s): 'suppress:false'

Studies on various control methods of the potato tuber moth , phthorimaea opercuella (zeller) /

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148P : 30cm.

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Effect of some pesticides and their residues on red palm weevil, rhynchophorus ferrugineus oliver coleoptera:curculionidae /

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76 P. : 25cm.

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Pollution and toxicity of heavy metals and other minerals and their determination soil,water and plants /

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160P. : 25cm.

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Studies on the natural genomic interference of spodoptera littoralis baculoviruses and their stability in the presence of insecticides /

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172 Leaves : 30cm.

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Toxicological studies of some insecticides and mineral oils against Cow Pea Aphid Aphis craccivora-Koch/

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113 Leaves : 30cm.

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Induced immune response against powdery mildew disease in summer squash plant /

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117 P. : 25cm.

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Isolation, biochemical and molecular characterization of salivary gland hypertrophy viruses in hose flies /

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114 P. : 25cm .

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A studies on environmental pollution with pesticdes and heavy metals /

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172Leaves ; 30cm.

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Bioremoval of heavy metals and organic matter from industrial waste water /

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157 P. : 25cm.

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New approaches for control of early season cotton pests /

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114P. ; 30cm.

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Determination of benzimidazole residues on some exported crops using LC-MS\MS /

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106P. : 25cm.

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Studies on isolation of some biologically active natural compounds /

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138P. : 30cm.

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New approaches for control of cotton bollworms /

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199P : 25cm.

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Studies on bioactive compounds isolated from sea algae /

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198P. : 30Cm.

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Chemical and biological evaluation of some marine algae compounds /

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178P : 30cm.

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Determination of some pesticide residues in water and soft drinks /

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170 P. : 25cm .

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Risk \ safety assessment of pollutants in some vegetables produced under different farming systems /

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158 P. : 25cm.

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Studies on Whitefly Bemisia tabaci (Genn.) Susceptibility to Pesticides /

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222P : 25cm.

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Ecological and control studies on certian subrterranean termite species /

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258P : 30cm.

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The Effect Of Some Environmental Factors On Some Pesticides /

1995 .
136 pages : 30 cm. + .

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Monitoring and risk assessment of pesticide residues in some locally produced vegetables and fruits /

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Pesticide management for the control of virus transmitting whiteflies in Tomato fields /

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140Leaves : 30cm.

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Studies on entomopathogenic fungi for controlling certain lepidopterous insects on corn /

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229Leaves : 30cm.

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