DETERMINATION OF ECONOMIC INJURY LEVEL OF LIPAPHIS ERYSIMI (HEMIPTERA: APHIDIDAE) ON CANOLA VAR. HAYOLA 401 IN KHUZESTAN

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KHAJEHZADEH Y.; HASANY MOGHADAM M.; BAGHERY S.; KEYHANIAN A.A.

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Journal: Journal of Entomological Society of Iran Year:2009 | Volume:29 | Issue:1 (44) Page(s): 23-36

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Title

DETERMINATION OF ECONOMIC INJURY LEVEL OF LIPAPHIS ERYSIMI (HEMIPTERA: APHIDIDAE) ON CANOLA VAR. HAYOLA 401 IN KHUZESTAN

Author(s)

KHAJEHZADEH Y. | HASANY MOGHADAM M. | BAGHERY S. | KEYHANIAN A.A. | Issue Writer Certificate

Keywords

CANOLAQ2

MUSTARD APHIDQ3

LIPAPHIS ERYSIMIQ3

ECONOMIC INJURY LEVELQ2

ECONOMIC THRESHOLDQ3

KHUZESTANQ2

Abstract

CANOLA, an oil seed with high contents of oil, is a major farming in KHUZESTAN province, where there is an increase over its cultivation year by year. One of the CANOLA key pests is MUSTARD APHID (Lipaphis erysimi Kalt.) in this province. However, there was not available information on the ECONOMIC INJURY LEVEL (EIL) of the pest that is much vital for correct decision making on pest control. Therefore, a study on EIL was conducted through complete randomized block design with 5 replications and 11 treatments (0, 5, 10, 15, 20, 25, 30, 35, 40, 45 and 50 aphid per central stem of Hayola 401 variety of CANOLA) inside a netted cage. This research was conducted in Behbahan Agricultural Research Station during 2004-2006. The average of seed yield and also the yeild components was analyzed with Duncan's multiple range tests.The damage of the aphid was estimated by regression equation. The injury level was estimated by Grain hreshold method. The results indicated that EIL was 7.53 and 2.49 cm aphid per central stem of CANOLA in Behbahan region in 2004-2005 and 2005-2006, respectively. ECONOMIC THRESHOLD (ET) was 5.65 and 1.87 cm2 aphid per central stem of CANOLA.

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APA: Copy

KHAJEHZADEH, Y., HASANY MOGHADAM, M., BAGHERY, S., & KEYHANIAN, A.A.. (2009). DETERMINATION OF ECONOMIC INJURY LEVEL OF LIPAPHIS ERYSIMI (HEMIPTERA: APHIDIDAE) ON CANOLA VAR. HAYOLA 401 IN KHUZESTAN. JOURNAL OF ENTOMOLOGICAL SOCIETY OF IRAN (JESI), 29(1 (44)), 23-36. SID. https://sid.ir/paper/48052/en

Vancouver: Copy

KHAJEHZADEH Y., HASANY MOGHADAM M., BAGHERY S., KEYHANIAN A.A.. DETERMINATION OF ECONOMIC INJURY LEVEL OF LIPAPHIS ERYSIMI (HEMIPTERA: APHIDIDAE) ON CANOLA VAR. HAYOLA 401 IN KHUZESTAN. JOURNAL OF ENTOMOLOGICAL SOCIETY OF IRAN (JESI)[Internet]. 2009;29(1 (44)):23-36. Available from: https://sid.ir/paper/48052/en

IEEE: Copy

Y. KHAJEHZADEH, M. HASANY MOGHADAM, S. BAGHERY, and A.A. KEYHANIAN, “DETERMINATION OF ECONOMIC INJURY LEVEL OF LIPAPHIS ERYSIMI (HEMIPTERA: APHIDIDAE) ON CANOLA VAR. HAYOLA 401 IN KHUZESTAN,” JOURNAL OF ENTOMOLOGICAL SOCIETY OF IRAN (JESI), vol. 29, no. 1 (44), pp. 23–36, 2009, [Online]. Available: https://sid.ir/paper/48052/en

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