EFFECT OF PLANT EXTRACTS OF FUMARIA PARVIFLORA, TEUCRIUM POLIUM AND INSECTICIDE PYMETROZINE ON MORTALITY AND ACTIVITY OF ESTERASE ENZYME OF BEMISIA TABACI ON RESISTANT AND SUSCEPTIBLE VARIETY OF TOMATO

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SAMAREH FEKRI MASOOMEH; SAMIH MOHAMMAD AMIN; SHAHOUZAHI BIDOLAH; IMANI SOHRAB; ZARABI MEHDI

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Journal: Iranian Journal of Plant Protection Science Year:2015 | Volume:45 | Issue:2 Page(s): 357-369

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Title

EFFECT OF PLANT EXTRACTS OF FUMARIA PARVIFLORA, TEUCRIUM POLIUM AND INSECTICIDE PYMETROZINE ON MORTALITY AND ACTIVITY OF ESTERASE ENZYME OF BEMISIA TABACI ON RESISTANT AND SUSCEPTIBLE VARIETY OF TOMATO

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Keywords

BIOASSAYQ2

LETHAL AND SUBLETHAL EFFECTSQ2

LC50Q2

PLANT RESISTANTQ2

Abstract

In this research, the effect methanolic extracts of Fumaria parviflora, Teucrium polium and pesticide pymetrozine was assessed on the lethality and general esterase activity of adult Bemisia Tabaci (Genn.) at 27±2oC, 50±5% RH and 16:8 (L:D) photoperiod. In BIOASSAY experiments tomato plants of resistant (cal-j-n3) and susceptible (Ergon) cultivars with 2-4 leaves were immersed in different concentrations of plant extracts, and mortality was calculated 72 h after treatment. This study was conducted by using a randomized complete design with three replications. For each treatment, distilled water and methanol were used as control. To evaluate effects of treatments on esterase activity, seedling with 2-4 leaves are being thread with extracts and insecticides (LC25). The results showed that, the LC50 of the extract of F. parviflora, T. polium and pesticides pymetrozine for adults reared on susceptible and resistant cultivars, were, 17.26, 93.88, 0.026 and 13.26, 68.36, 0.019 (g/lit), respectively. Sublethal effect of extracts and pesticides was significant on esterase enzyme activity compared to control. The amount of esterase enzymes, for control and adults treated with the extract of F. parviflora, T. polium, pesticides pymetrozine on susceptible cultivar, were 0.0161, 0.0086, 0.009 ,0.0038, respectively and for resistant cultivar were 0.027, 0.0068, 0.0097, 0.0043 (mg alpha naphtyl acetat per minute/mg protein) respectively. Thus the rate of toxicity of F. parviflora, T. polium extracts, and pesticide pymetrozine was more insects that reared on resistant variety in comparison of adults that reared on susceptible variety. Also, pesticide pymetrozine showed the most toxicity rate. The toxicity rate of F. parviflora was recorded more than T. polium. Esterase enzyme activity was more in treated insects on resistant varieties compared to susceptible varieties. According to the results usage of resistant varieties with plant extract or pesticide can be a good strategy against whitefly in IPM programs.

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APA: Copy

SAMAREH FEKRI, MASOOMEH, SAMIH, MOHAMMAD AMIN, SHAHOUZAHI, BIDOLAH, IMANI, SOHRAB, & ZARABI, MEHDI. (2015). EFFECT OF PLANT EXTRACTS OF FUMARIA PARVIFLORA, TEUCRIUM POLIUM AND INSECTICIDE PYMETROZINE ON MORTALITY AND ACTIVITY OF ESTERASE ENZYME OF BEMISIA TABACI ON RESISTANT AND SUSCEPTIBLE VARIETY OF TOMATO. IRANIAN JOURNAL OF PLANT PROTECTION SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 45(2), 357-369. SID. https://sid.ir/paper/171623/en

Vancouver: Copy

SAMAREH FEKRI MASOOMEH, SAMIH MOHAMMAD AMIN, SHAHOUZAHI BIDOLAH, IMANI SOHRAB, ZARABI MEHDI. EFFECT OF PLANT EXTRACTS OF FUMARIA PARVIFLORA, TEUCRIUM POLIUM AND INSECTICIDE PYMETROZINE ON MORTALITY AND ACTIVITY OF ESTERASE ENZYME OF BEMISIA TABACI ON RESISTANT AND SUSCEPTIBLE VARIETY OF TOMATO. IRANIAN JOURNAL OF PLANT PROTECTION SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2015;45(2):357-369. Available from: https://sid.ir/paper/171623/en

IEEE: Copy

MASOOMEH SAMAREH FEKRI, MOHAMMAD AMIN SAMIH, BIDOLAH SHAHOUZAHI, SOHRAB IMANI, and MEHDI ZARABI, “EFFECT OF PLANT EXTRACTS OF FUMARIA PARVIFLORA, TEUCRIUM POLIUM AND INSECTICIDE PYMETROZINE ON MORTALITY AND ACTIVITY OF ESTERASE ENZYME OF BEMISIA TABACI ON RESISTANT AND SUSCEPTIBLE VARIETY OF TOMATO,” IRANIAN JOURNAL OF PLANT PROTECTION SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 45, no. 2, pp. 357–369, 2015, [Online]. Available: https://sid.ir/paper/171623/en

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