investigation on sticky colour traps on attraction of sugar beet flea beetle chaetocnema tibialis illiger (col., chrysomelidae) in esfahan province

Authors

علیرضا حق شناس

مربی پژوهشی بخش تحقیقات گیاهپزشکی مرکز تحقیقات کشاورزی و منابع طبیعی اصفهان

abstract

flea beetles of chaetocnema tibialis (col:, chrysomelidae) are important pests on sugar beet iniran. in some cases, the damages caused by this pest are so high that some part of the field should be replanted. since most of crop losses occur from cotyledon stage until 4-leaf stage, monitoring of the population of this pest could play an important role in decreasing damage of the pest. sticky-colored traps are used for the pest population monitoring. to study the effects of sticky traps of different colors, an experiment was conducted in a split plot design with four replications inesfahan’ during 2002-2003. main plot was traps color in seven levels (green, yellow, orange, red, blue, black and white) and subplot was height of traps instalation in 4 levels (0.25, 0.5, 0.75 and 1 meter). traps’ surfaces were coated with a thin layer of insect adhesive (tangle trap) and replaced in the margin of the field in weekly intervals. in the second year of experiment, two types of yellow (lemon and saturn) were also evaluated. data were analyzed by mstatc statistical software and means were compared withduncan’s multiple range test (dmrt). results showed that more individuals were significantly captured by lemon yellow tapes installed at the height of 0.25 meter so that the condition can be used for monitoring the population of this pest.

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Journal title:

چغندرقند

جلد ۲۴، شماره ۱، صفحات ۱۰۵-۹۷

Keywords

flea beetles of chaetocnema tibialis (col: chrysomelidae) are important pests on sugar beet iniran. in some cases the damages caused by this pest are so high that some part of the field should be replanted. since most of crop losses occur from cotyledon stage until 4 leaf stage monitoring of the population of this pest could play an important role in decreasing damage of the pest. sticky colored traps are used for the pest population monitoring. to study the effects of sticky traps of different colors an experiment was conducted in a split plot design with four replications inesfahan’ during 2002 2003. main plot was traps color in seven levels (green yellow orange red blue black and white) and subplot was height of traps instalation in 4 levels (0.25 0.5 0.75 and 1 meter). traps’ surfaces were coated with a thin layer of insect adhesive (tangle trap) and replaced in the margin of the field in weekly intervals. in the second year of experiment two types of yellow (lemon and saturn) were also evaluated. data were analyzed by mstatc statistical software and means were compared withduncan’s multiple range test (dmrt). results showed that more individuals were significantly captured by lemon yellow tapes installed at the height of 0.25 meter so that the condition can be used for monitoring the population of this pest.

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