2017 Volume 4 Issue 2

Determination Of Some Biological Characteristics Of Poppy Root Weevils (Ethelcus denticulatus (Schrank) (Coleoptera: Curculionidae) For Struggle


Mahmut İSLAMOĞLU
Abstract

With this project, it is aimed to determine the time of the struggle with the poppy root weevils (Ethelcus denticulatus Schrank) (Coleoptera: Curculionidae), which is the most important pest of poppy fields (Papaver somniferum L.) (Rhoedales; Papaveraceae). According to the findings, it has been determined that after the second week of March in the Uşak province, poppy root weevils start to emerge from the soil and adults may be found until the first week of July. The most important factor in the emergence of the pests from soil to surface is temperature. In the second week of March in which effective temperature reached to 14 ºC, the poppy root weevils started to emerge to the soil surface in 2014 and 2015. Peak of the poppy root weevils was determined to be in the second week of April. The sum of effective temperatures at this date was determined to be 70.6 ºC in 2014 and 90.4 ºC in 2015. After the poppy root weevil’s emergence reached the peak, the first larvae began to appear about 10 days later. According to this, when the insect populations are the highest and the sum of effective temperatures is 70 - 90 ºC, it is suggested to make chemical struggle.  


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Entomology and Applied Science Letters is an international peer reviewed publication which publishes scientific research & review articles related to insects that contain information of interest to a wider audience, e.g. papers bearing on the theoretical, genetic, agricultural, medical and biodiversity issues. Emphasis is also placed on the selection of comprehensive, revisionary or integrated systematics studies of broader biological or zoogeographical relevance. Papers on non-insect groups are no longer accepted. In addition to full-length research articles and reviews, the journal publishes interpretive articles in a Forum section, Short Communications, and Letters to the Editor. The journal publishes reports on all phases of medical entomology and medical acarology, including the systematics and biology of insects, acarines, and other arthropods of public health and veterinary significance.
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Entomology and Applied Science Letters supports the submission of entomological papers that contain information of interest to a wider reader groups e. g. papers bearing on taxonomy, phylogeny, biodiversity, ecology, systematic, agriculture, morphology. The selection of comprehensive, revisionary or integrated systematics studies of broader biological or zoogeographical relevance is also important. Distinguished entomologists drawn from different parts of the world serve as honorary members of the Editorial Board. The journal encompasses all the varied aspects of entomological research. This has become the need felt in scientific research due to the emphasis on intra-, inter-, and multi-disciplinary approach.