LABORATORY BIOASSAY TO ESTIMATE LC50 & LC90 OF MINERAL OIL AGAINST SECOND, THIRD INSTARS AND ADULT FEMALE OF PULVINARIA AURANTII COCKERELL

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DAMAVANDIAN M.R.

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Journal: Journal of Agricultural Sciences and Natural Resources Year:2006 | Volume:13 | Issue:4 Page(s): 55-61

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Title

LABORATORY BIOASSAY TO ESTIMATE LC50 & LC90 OF MINERAL OIL AGAINST SECOND, THIRD INSTARS AND ADULT FEMALE OF PULVINARIA AURANTII COCKERELL

Author(s)

DAMAVANDIAN M.R. | Issue Writer Certificate

Keywords

PULVINARIA AURANTIIQ3

SECOND AND THIRD INSTARQ3

FEMALE ADULTQ3

MINERAL OILQ3

Abstract

The response of second third instars as well as adult Pulvinria aurantii Cock. to MINERAL OIL and the determination of LC50 & LC90 was tested, using bioassay technique under laboratory conditions of 25±4°C,75±5 R.H. and 12h. of L.D. In this research, six different concentrations of MINERAL OIL were chosen and sprayed on fourteen Two-year old sweet orange (Thomson Navel on Citrus aurantium (rootstock)) trees. From each tree, ten leaves and each leaf five crawlers on average were tested. Probit analysis has been done using P/PROBAN LSTATS computer programmed after preliminary calculations. Based on the laboratory results and our calculations, the rate of MINERAL OIL concentration which caused the death of 50% and 90% of second, third instars was 0.593 & 1.013 liter in one hundred liters of water, respectively. Considering the rate of LC90 to control the instars and adult female of PULVINARIA AURANTII Cock. As well as their fiducially limit, the most suitable mineraloil concentration range for instars seems to be between 0.919% to 1.222% and for adult female between 1.887% to 3.183%, respectively.

Cites

COMPARISON OF MINERAL OIL AND BEAUVARIA BASSIANA FOR CONTROL OF ICERYA PURCHASI IN LABORATORY CONDITIONS

References

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APA: Copy

DAMAVANDIAN, M.R.. (2006). LABORATORY BIOASSAY TO ESTIMATE LC50 & LC90 OF MINERAL OIL AGAINST SECOND, THIRD INSTARS AND ADULT FEMALE OF PULVINARIA AURANTII COCKERELL. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, 13(4), 55-61. SID. https://sid.ir/paper/9807/en

Vancouver: Copy

DAMAVANDIAN M.R.. LABORATORY BIOASSAY TO ESTIMATE LC50 & LC90 OF MINERAL OIL AGAINST SECOND, THIRD INSTARS AND ADULT FEMALE OF PULVINARIA AURANTII COCKERELL. JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES[Internet]. 2006;13(4):55-61. Available from: https://sid.ir/paper/9807/en

IEEE: Copy

M.R. DAMAVANDIAN, “LABORATORY BIOASSAY TO ESTIMATE LC50 & LC90 OF MINERAL OIL AGAINST SECOND, THIRD INSTARS AND ADULT FEMALE OF PULVINARIA AURANTII COCKERELL,” JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES, vol. 13, no. 4, pp. 55–61, 2006, [Online]. Available: https://sid.ir/paper/9807/en

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