SEASONAL CHANGES AND SPATIAL DISTRIBUTION OF SUGARCANE MITE, OLIGONYCHUS SACCHARI (PROSTIGMATA: TETRANYCHIDAE) AND PREDATORY LADYBIRD, STETHORUS GILVIFRONS (MULSANT) (COLEOPTERA: COCCINELLIDAE) IN
SUGARCANE FIELDS OF AHWAZ

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AFSHARI A.; MOSSADEGH M.S.; KAMALI K.

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

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Paper Information

Journal: THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA) Year:2007 | Volume:30 | Issue:1 Page(s): 135-147

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Title

SEASONAL CHANGES AND SPATIAL DISTRIBUTION OF SUGARCANE MITE, OLIGONYCHUS SACCHARI (PROSTIGMATA: TETRANYCHIDAE) AND PREDATORY LADYBIRD, STETHORUS GILVIFRONS (MULSANT) (COLEOPTERA: COCCINELLIDAE) IN SUGARCANE FIELDS OF AHWAZ

Author(s)

AFSHARI A. | MOSSADEGH M.S. | KAMALI K. | Issue Writer Certificate

Keywords

OLIGONYCHUS SACCHARIQ3

STETHORUS GILVIFRONSQ4

SUGARCANEQ2

SPATIAL DISTRIBUTIONQ3

AHWAZQ3

Abstract

Population fluctuations and SPATIAL DISTRIBUTION of SUGARCANE spider mite, OLIGONYCHUS SACCHARI, and its predatory ladybird, STETHORUS GILVIFRONS, were studied in SUGARCANE fields of Ahvaz, southwestern Iran, during the growing seasons of 1998 and 1999. Effects of mean temperature, relative humidity and prey density on ladybird population were also studied by multiple-linear regression analysis. In SUGARCANE fields the annual activities of O. sacchari started late spring and first ladybirds were observed 10-14 days after mite appearing. Population fluctuations of both species correlated and continued during spring and summer seasons. In late summer and early autumn population of O. sacchari was significantly reduced and ladybirds began to immigrate to other fields. No hibernated ladybirds were found in late autumn and winter in SUGARCANE fields. Multiple regression results showed that the relative humidity and prey density were the most influential variables affecting ladybird population development. Both mite and ladybird had contagious dispersion and negative binomial model was the best fitted data for their distribution pattern. The k aggregation index values were low and changed within aggregated dispersion ranges.

Cites

SPATIAL DISTRIBUTION PATTERNS AND FIXED-PRECISION SEQUENTIAL SAMPLING PLANS FOR ESTIMATING POPULATION OVERWINTERED ADULT SUNN PEST, EURYGASTER INTEGRICEPS PUT. IN RAINFED WHEAT FIELDS IN ARDABIL PROVINCE

References

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APA: Copy

AFSHARI, A., MOSSADEGH, M.S., & KAMALI, K.. (2007). SEASONAL CHANGES AND SPATIAL DISTRIBUTION OF SUGARCANE MITE, OLIGONYCHUS SACCHARI (PROSTIGMATA: TETRANYCHIDAE) AND PREDATORY LADYBIRD, STETHORUS GILVIFRONS (MULSANT) (COLEOPTERA: COCCINELLIDAE) IN SUGARCANE FIELDS OF AHWAZ . THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA), 30(1), 135-147. SID. https://sid.ir/paper/24770/en

Vancouver: Copy

AFSHARI A., MOSSADEGH M.S., KAMALI K.. SEASONAL CHANGES AND SPATIAL DISTRIBUTION OF SUGARCANE MITE, OLIGONYCHUS SACCHARI (PROSTIGMATA: TETRANYCHIDAE) AND PREDATORY LADYBIRD, STETHORUS GILVIFRONS (MULSANT) (COLEOPTERA: COCCINELLIDAE) IN SUGARCANE FIELDS OF AHWAZ . THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA)[Internet]. 2007;30(1):135-147. Available from: https://sid.ir/paper/24770/en

IEEE: Copy

A. AFSHARI, M.S. MOSSADEGH, and K. KAMALI, “SEASONAL CHANGES AND SPATIAL DISTRIBUTION OF SUGARCANE MITE, OLIGONYCHUS SACCHARI (PROSTIGMATA: TETRANYCHIDAE) AND PREDATORY LADYBIRD, STETHORUS GILVIFRONS (MULSANT) (COLEOPTERA: COCCINELLIDAE) IN SUGARCANE FIELDS OF AHWAZ ,” THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA), vol. 30, no. 1, pp. 135–147, 2007, [Online]. Available: https://sid.ir/paper/24770/en

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