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

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DAMAVANDIAN M.R.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Journal: THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA) Year:2008 | Volume:31 | Issue:1 Page(s): 11-22

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Title

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

Author(s)

DAMAVANDIAN M.R. | Issue Writer Certificate

Keywords

ICERYA PURCHASIQ3

BEAUVARIA BASSIANAQ3

MINERAL OILQ3

Abstract

Lc50 and Lc90 of the first and second in stars as well as adult ICERYA PURCHASI were determined by using bioassay technique under laboratory conditions of 25±4°C, 75±5% R.H. and 15 h. of L. D. In this research, 9 different concentrations of MINERAL OIL, 10 different concentrations of B. bassiana and 11 different combination of MINERAL OIL and B. bassiana were sprayed on 36 two-year old sweet orange (Thomson navel on Citrus aurantium (rootstock) trees. On average, 50 lcerya purchasi on each tree were tested. Probit analysis has been done using P/Proban LSTATS computer program after preliminary calculations. Based on the laboratory results and our calculations, 100 liters of water provided control of I purchasi nymphs and adults, respectively. MINERAL OIL at a rate of 500 mi/100 liters of water plus 11.8x1011 conidia/3400 ml of B. bassiana provided control of I purchasi instars equivalent to 2.99x1011 conidia/1300ml of B. bassiana in 100 liters of water with three times treatment every 5 days provided complet control of cottony cushion scales instars. B. bassiana plus MINERAL OIL at a rate of 13.34x1011 conidia/3900ml plus 1 liter/100 liters of water, respectively, equivalent to 5.98x1011 conidia/1800ml of B. bassiana plus 100 liters of water with tree times spray, every 5 days, provided good control of adult cottony cushion scale.

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APA: Copy

DAMAVANDIAN, M.R.. (2008). COMPARISON OF MINERAL OIL AND BEAUVARIA BASSIANA FOR CONTROL OF ICERYA PURCHASI IN LABORATORY CONDITIONS. THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA), 31(1), 11-22. SID. https://sid.ir/paper/24656/en

Vancouver: Copy

DAMAVANDIAN M.R.. COMPARISON OF MINERAL OIL AND BEAUVARIA BASSIANA FOR CONTROL OF ICERYA PURCHASI IN LABORATORY CONDITIONS. THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA)[Internet]. 2008;31(1):11-22. Available from: https://sid.ir/paper/24656/en

IEEE: Copy

M.R. DAMAVANDIAN, “COMPARISON OF MINERAL OIL AND BEAUVARIA BASSIANA FOR CONTROL OF ICERYA PURCHASI IN LABORATORY CONDITIONS,” THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA), vol. 31, no. 1, pp. 11–22, 2008, [Online]. Available: https://sid.ir/paper/24656/en

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