SEASONAL ACTIVITY OF LAND SNAILS AND SLUGS ON LEMON AND GUAVA TREES AT DUMYATT AND KAFER EL-BATIKH DISTRICTS, DUMYATT GOVERNORATE. EGYPT. | ||||
Journal of Plant Protection and Pathology | ||||
Article 6, Volume 5, Issue 6, June 2014, Page 705-715 PDF (434.69 K) | ||||
Document Type: Original Article | ||||
DOI: 10.21608/jppp.2014.87982 | ||||
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Author | ||||
M. Awad | ||||
Plant Protection Research Institute, Agric, Res.c.Doki Giza, Egypt. | ||||
Abstract | ||||
The present investigation has been achieved as an attempt to study the influence of climatic change on the population density of land snails Monacha cartusiana ,Monacha cantiana , Cochilicella acuta , Succinea putris , Succinea oblonga and gray garden slug Deroceras reticulatum under lemon and guava trees at ElSenania and Kafr El-Batikh districts,Dumyatt Governorate 2011/2012 and 2012/2013 seasons . The results revealed that the mean of populations density were higher throughout spring season followed by autumn and lower in winter seasons which estimating by 35.8, 29.3 and 18.5 snails/sample for M. cartusiana, respectively . C.acuta recorded the higher number on lemon trees 57.2 in spring season while recorded 45.2 in autumn season followed by winter season which recorded 25.6 snails/sample. The population fluctuations of land snails varied according to crop , temperature , relative humidity and season to another . The snails were more active during spring and autumn .The snails C.acuta were the highest number of individuals on lemon and guava trees. Key words: seasonal, fluctuation of land snails and slugs, lemon , guava trees , Dumyatt. Temperature. | ||||
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