Environmental factors affecting the increase of cold hardiness in the apple snail Pomacea canaliculata (Gastropoda: Ampullariidae)

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概要

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• The cold hardiness of the apple snail, Pomacea canaliculata, which infests Japanese paddy fields, shows seasonal fluctuations. We investigated the environmental factors that influence this cold hardiness. Snails showed a great increase in cold hardiness under cold acclimation, when they were kept in water or wrapped in a dry or moist towel. Snails incubated at 25℃ in a dry or moist towel also showed a certain increase in cold hardiness. Field-collected snails that were given sufficient food before incubation at 25℃ in water showed an increase in cold hardiness, but starved snails did not. Photoperiod had no influence on cold hardiness. We compared the factors increasing cold hardiness among molluscs inhabiting different environments.

• 日本応用動物昆虫学会の論文
• 2007-11-25

著者

• Matsukura Keiichiro

  Laboratory of Applied Entomology, Graduate School of Agricultural and Life Sciences, The University

• Matsukura Keiichiro

  Laboratory Of Insect Pest Control National Agricultural Research Center For Kyushu Okinawa Region

• WADA Takashi

  Laboratory of Insect Pest Control, National Agricultural Research Center for Kyushu Okinawa Region

• Wada Takashi

  Laboratory Of Insect Pest Control National Agricultural Research Center For Kyushu Okinawa Region

関連論文

• Differences in timing of the emergence of the overwintering generation between rice and water-oats populations of the striped stem borer moth, Chilo suppressalis (Lepidoptera: Crambidae)
• Morphometric differences between rice and water-oats population of the striped stem borer moth, Chilo suppressalis (Lepidoptera: Crambidae)
• Environmental factors affecting the increase of cold hardiness in the apple snail Pomacea canaliculata (Gastropoda: Ampullariidae)

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