STUDY ON EFFECTIVENESS OF PHYTOSEIULUS PERSIMILIS IN CONTROL OF CUCUMBER TWO SPOTTED SPIDER MITE (TETRANYCHUS URTICAE COMPLEX) IN WOODY AND IRON GREENHOUSE STRUCTURES IN VARAMINE REGION

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ARBABI MASOUD

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Journal: Year:2007 | Volume:19 | Issue:4 (73 IN AGRONOMY AND HORTICULTURE) Page(s): 96-104

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Title

STUDY ON EFFECTIVENESS OF PHYTOSEIULUS PERSIMILIS IN CONTROL OF CUCUMBER TWO SPOTTED SPIDER MITE (TETRANYCHUS URTICAE COMPLEX) IN WOODY AND IRON GREENHOUSE STRUCTURES IN VARAMINE REGION

Author(s)

ARBABI MASOUD | Issue Writer Certificate

Keywords

PHYTOSEIULUS PERSIMILISQ3

TETRANYCHUS URTICAEQ3

CUCUMBERQ3

RELEASINGQ3

VARAMINEQ3

Abstract

Tetranychus spp. is one of the important pests of greenhouses and Phytseiulus persimilis is the most important spider mite predators in the world. Due to constant atmospheric condition in the greenhouses, web spider mite is able to survive and remain active through out the year with noticeable damages on greenhouse plants. Spider mite is also able to get faster resistance to applied pesticides than any other greenhouse pests. Limitation in proper acaricides application with their hazard effect on CUCUMBER production, gave piority to biological control of mite pest in greenhouses. In this concern, biology of P. persimilis on Tetranych urticae studied under laboratory condition (20 ± 5 oC and 55 ± 10% R.H.) and predator efficiency evaluated by purification form other insect pests. Mass rearing of predatory mit done on infested bean plants cultivated in stand and plot condition in woody and iron structures. Effects of different pesticides (insecides, acaricides, fungicides) on predator population are also under taken through observations in VARAMINE region. Labortory results indicated that, daily and total predation on spider mite was this 12.5±5, 96±27 preys with an average daily 3.75±1 and total fecundity of 40±5 eggs during 13.1±1 days of ovipositional period. Two types of bean varieties (Red bean and Lordeghan Chiti) used for cultivation and mass rearing prey and predatory mite respectively. An effect of predator was evaluated in ratio of 1 to 10 prey mite for both woody and iron greenhouse structures. Mean prey mites and precent of mite infesting CUCUMBER leaves investigated through presence/absence sampling method. Results showed that, mean of mite and % infested CUCUMBER leaves before predator RELEASING was 135.1 ±23 mites, 25% and 35.76±14 mites, 11% in woody and iron structures respectively. Supporting predator effects done by repeating RELEASING at interval period of 7 days. Predatory mite was able to reduce mean of mite and % infested CUCUMBER leaves into 1.73±1.25 mites, 8% and 5.77± 2.5 mites, 13% with three and four times predatory mite release in within 50-55 days of sampling period in woody and iron GH structures respectively. Pesticides side effects (acaricides/insecticides/fungicides) were also done on and wood structure on predatory population through direct and fumigation application methods and all were hazardious to predatory population. Persent finding suggested that, relasing predatory mite at initial CUCUMBER spider mite infestation, could effectively control mite pest and to protect further acaricides application on CUCUMBER in greenhouses.

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APA: Copy

ARBABI, MASOUD. (2007). STUDY ON EFFECTIVENESS OF PHYTOSEIULUS PERSIMILIS IN CONTROL OF CUCUMBER TWO SPOTTED SPIDER MITE (TETRANYCHUS URTICAE COMPLEX) IN WOODY AND IRON GREENHOUSE STRUCTURES IN VARAMINE REGION. PAJOUHESH-VA-SAZANDEGI, 19(4 (73 IN AGRONOMY AND HORTICULTURE)), 96-104. SID. https://sid.ir/paper/19963/en

Vancouver: Copy

ARBABI MASOUD. STUDY ON EFFECTIVENESS OF PHYTOSEIULUS PERSIMILIS IN CONTROL OF CUCUMBER TWO SPOTTED SPIDER MITE (TETRANYCHUS URTICAE COMPLEX) IN WOODY AND IRON GREENHOUSE STRUCTURES IN VARAMINE REGION. PAJOUHESH-VA-SAZANDEGI[Internet]. 2007;19(4 (73 IN AGRONOMY AND HORTICULTURE)):96-104. Available from: https://sid.ir/paper/19963/en

IEEE: Copy

MASOUD ARBABI, “STUDY ON EFFECTIVENESS OF PHYTOSEIULUS PERSIMILIS IN CONTROL OF CUCUMBER TWO SPOTTED SPIDER MITE (TETRANYCHUS URTICAE COMPLEX) IN WOODY AND IRON GREENHOUSE STRUCTURES IN VARAMINE REGION,” PAJOUHESH-VA-SAZANDEGI, vol. 19, no. 4 (73 IN AGRONOMY AND HORTICULTURE), pp. 96–104, 2007, [Online]. Available: https://sid.ir/paper/19963/en

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