Efficacy of Some Foliar Fertilizers and Alternative Chemicals on the Spiny Bollworm, Earias insulana (Boisd.) Larvae (Lepidoptera: Noctuidae) and their Side Effect on Protease Activity

EI-Naggar, A.Z.; Tawfeek, Mohamed E.

doi:10.3923/je.2012.375.381

Cited by 2 publications

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“…In the recent years, some investigators described new approach as a good tool in pest management system such as foliar nutrient spray to produce a profitable cotton crop and minimized the outbreak of insect pests (Ying-Zhi Chen, et al, 2004, El-Naggar and Tawfeek 2012). Foliar spray can, also, correct deficiencies of certain required nutrients in large amounts (Macro-elements) and for required in trace amounts (Micro-elements) (Mesbah et al, 2000 andEl-Naggar, 2009) indicated farming practices that cause nutrition in balance can lower pest resistance. ( Meyer, 2000 )proposed that soil nutrient availability not only affects the amount of damage that plants receive from herbivores but also the ability of plants to recover from herbivores.…”

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confidence: 99%

Side Effects of Using of Some Foliar Fertilizers Onbiology of Cotton Leaf Worm, Spodoptera Littoralis (Boisd.) Under Laboratory Conditions

Makkar

Mansour

Abd-Allah

2014

Egyptian Journal of Agricultural Research

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An experiment was conducted at Qaha Research Station, Qalubia governorate, during 2013 cotton season, to study the effects of four foliar fertilizers on biological aspects of cotton leaf worm, Spodoptera littoralis (Boisd.), for three successive generations. (Canada magic, Canada sal, Canada foliar and Canada amino) were sprayed on cotton leaves in field and introduced to the newly hatched larvae. The obtained results revealed that the larval stages suffered greatest mortality followed by the pre-pupal stage, the pupal stage and lastly the moths for the four compounds. The highest mean percentage mortality of overall immature stages within the three generations (98.8, 98.2, 98.0 and 96.3%) was (Canada sal, Canada amino, Canada magic and Canada foliar), respectively. Analysis of variance between the mean larval duration and Percentage pupation for the remaining larvae and pupae of the three generations, showed significant differences between treatments and control (L.S.D =2.33 & 6.3), respectively. Moreover, all larvae fed on treated leaves gave the least percentage of adults , emergence and a few malformations, also, no eggs were laid by the resulting females in the three generations. Data demonstrated that the larval and pupal weights recorded insignificant differences between treated and untreated.

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Section: Introductionmentioning

confidence: 99%

Side Effects of Using of Some Foliar Fertilizers Onbiology of Cotton Leaf Worm, Spodoptera Littoralis (Boisd.) Under Laboratory Conditions

Makkar

Mansour

Abd-Allah

2014

Egyptian Journal of Agricultural Research

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Insecticide Efficacy against Earias Species Infestation of Okra and Residue Analysis of Chlorantraniliprole under Field Conditions in India

et al. 2023

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A field study was conducted to compare the efficacy of 10 recommended insecticides against Earias spp. on okra. Three okra plots (3 × 5 m2) were subjected to each of the 10 insecticidal sprays applied twice at an interval of 10 days. On the third, seventh, and tenth day after each spray, percent shoot and fruit infestation and yield were calculated. All insecticides significantly reduced shoot and fruit infestation compared to the control. However, chlorantraniliprole 18.5%SC was the most effective across all time points and resulted in the highest yield. A second field study, to determine the time till the maximum residue limit (MRL—0.3 mg/kg) and the limit of quantification (LOQ—0.01 mg/kg) for both fruit and soil exposed to either the recommended (125 mL/ha) or a double strength dose (250 mL/ha) of chlorantraniliprole 18.5% SC was undertaken. MRL was reached on the same day following both doses. The LOQ was reached on the seventh and tenth day at recommended and a double strength dose, respectively. Chlorantraniliprole 18.5% SC provides effective control. However, Earias spp. resistance has been observed in other crops. Thus, constant monitoring in the field is needed to ensure its effectiveness.

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Efficacy of Some Foliar Fertilizers and Alternative Chemicals on the Spiny Bollworm, Earias insulana (Boisd.) Larvae (Lepidoptera: Noctuidae) and their Side Effect on Protease Activity

Cited by 2 publications

References 0 publications

Side Effects of Using of Some Foliar Fertilizers Onbiology of Cotton Leaf Worm, Spodoptera Littoralis (Boisd.) Under Laboratory Conditions

Side Effects of Using of Some Foliar Fertilizers Onbiology of Cotton Leaf Worm, Spodoptera Littoralis (Boisd.) Under Laboratory Conditions

Insecticide Efficacy against Earias Species Infestation of Okra and Residue Analysis of Chlorantraniliprole under Field Conditions in India

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