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Toxicological and biochemical studies on some compounds against cotton leafworm [electronic source]

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Ali, Yasmin A.A

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Language: English Summary language: Arabic Description: p.815-824Other title:

دراسات توكسيكولوجية و بيوكيميائية لبعض مبيدات الآفات ضد دودة ورق القطن [Added title page title]

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Zagazig journal of agricultural research, 2009 v. 36 (4) [electronic resource].

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In: Zagazig journal of agricultural research, 2009 v. 36 (4)Summary: Toxicological and biochemical studies of chlorpyrifos, leufenuron, tebufenozid and neem T5% were carried out on 2 and 4th instar larvae of cotton leaf worm, Spodoptera Littoralis under laboratory conditions. LC50's , in case of 2nd instar larvae, were 5.4 x 10, 4.64 x 10-4, 1.266 and 13.952 ppm, whearas, in case of 4th instar larvae, values were 9.104, 0.025, 16.964 and 215.015 ppm for the above mentioned compounds, respectively. Glutamic oxalacetic transaminase (GOT) levels in homogenated treated-larvae with the four tested compounds at LC5o were 8, 9, 48.6 and 15 unit/L. after 1 day post treatment, in case of 2nd instar larvae, wheareas (GOT) values in case of 4th larvae were 12, 37.6, 70 and 41.3 unit /L., respectively. Glutamic pyruvic transaminase (GPT) levels in 2nd and 4th instar larvae were 5.33, 41.66; 35.0 , 43.33; 35.66,55.33 and 25 and 53.86 unit/L., after 1 day of treatments with chlorpyrifos, leufenuron, tebufenozid and neem T5%, respectively.

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Toxicological and biochemical studies of chlorpyrifos, leufenuron, tebufenozid and neem T5% were carried out on 2 and 4th instar larvae of cotton leaf worm, Spodoptera Littoralis under laboratory conditions. LC50's , in case of 2nd instar larvae, were 5.4 x 10, 4.64 x 10-4, 1.266 and 13.952 ppm, whearas, in case of 4th instar larvae, values were 9.104, 0.025, 16.964 and 215.015 ppm for the above mentioned compounds, respectively. Glutamic oxalacetic transaminase (GOT) levels in homogenated treated-larvae with the four tested compounds at LC5o were 8, 9, 48.6 and 15 unit/L. after 1 day post treatment, in case of 2nd instar larvae, wheareas (GOT) values in case of 4th larvae were 12, 37.6, 70 and 41.3 unit /L., respectively. Glutamic pyruvic transaminase (GPT) levels in 2nd and 4th instar larvae were 5.33, 41.66; 35.0 , 43.33; 35.66,55.33 and 25 and 53.86 unit/L., after 1 day of treatments with chlorpyrifos, leufenuron, tebufenozid and neem T5%, respectively.

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