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Paper
Title

Evaluation of the Different Irrigation Time on Agriolimax agrestis Damage in Lettuce Fields of Tehran Province

Year: 1391
COI: JR_FANP-7-2_003
Language: EnglishView: 222
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Authors

Elham Ahmadi - Agricultural Zoology Research Department, Iranian Research Institute of Plant Protection, Tehran, Iran

Abstract:

One of the effective managing methods for slugs control is cultural method. A field study on theeffect of different irrigation times on slug (Agriolimax agrestis)(Stylommatophora: Limacidae)damage in lettuce plants was carried out in the Varamin region in 2009. Treatments consisted ofirrigation at various times: 1- irrigation in the morning, 2-irrigation after sunset 3-irrigation aftersunset with Fericol bait (5gr/m²) and 4-irrigation after sunset with Methaldehyde bait (2.5gr/m²). Theexperiment conducted in a randomized complete block design with four replications. Each replicateconsisted of three rows of 3 m length and 50 cm width and with in row plant spacing of 25 cm with atotal of 36 plants /plot. The results indicated that maximum damages (based on the feeding of leaves)and minimum lettuce yield obtained for irrigation after sunset treatment with 52.82±3.4 percent ofdamaged plants with a lettuce yield 20.12 ton per hectare. Minimum damages with maximum yieldfound with treatment 4 with 10.53±2.8 percent damages with lettuce yield of 39.3 ton per hectare.Treatments 1 and 3 were with 10.92±2.7 and 10.71±2.3 percent damage and lettuce yield of 39.01 and39.17 ton/ha respectively. There was no significant differences between the lettuce yields in thetreatments 1, 3 and 4 at level of 5% (p>0.05) and were placed in group A. Also, it seems thatchanging irrigation times (treatment 1) is one of useful strategies in IPM method for controlling andreducing slug damage to lettuce plants which it has lettuce yield near to treatments 3 and 4.

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This Paper COI Code is JR_FANP-7-2_003. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/463980/

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Ahmadi, Elham,1391,Evaluation of the Different Irrigation Time on Agriolimax agrestis Damage in Lettuce Fields of Tehran Province,https://civilica.com/doc/463980

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