Cold Resistance and Related Aspects of the Spotted Cutworm, Xestia c-nigrum L : Lepidoptera : Noctuidae
スポンサーリンク
概要
- 論文の詳細を見る
Mean supercooling points of the spotted cutworm, Xestia c-nigrum, dropped from -8℃ to -17--18℃ and mean contents (mg/g) of glycerol and trehalose rised respectively from 6 to 12 and from 17 to 26 by cold hardening, although hardening at -5℃ for 10 days and 30 days showed no appreciable difference. Mean supercooling points by ice inoculation was -4.4℃. This species is weakly freezing-tolerant. Post-thawing survival was relatively high (57-70%) by spontaneous freezing after cooling to -12℃ or by inoculative freezing after cooling to -20℃, but was virtually 0% by spontaneous freezing after cooling to -20℃. No appreciable difference due to instar was found on above aspects. Survival after spontaneous freezing from -6 to -12℃ was confirmed under early winter field conditions. Wild larvae kept under field conditions during winter died less than those laboratory-reared ones and did not moult as latter did.
- 日本応用動物昆虫学会の論文
- 1986-02-25
著者
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SAKAGAMI Shoichi
Zoological Section, Institute of Low Temperature Science, Hokkaido University
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Shimada K
Zoological Section Institute Of Low Temperature Science Hokkaido Univeristy
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Shimada Kimio
Zoological Section Institute Of Low Temperature Science Hokkaido University
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Sakagami S
Hokkaido University
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Sakagami Shoichi
Zoological Section Institute Of Low Temperature Science Hokkaido University
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Sakagami S
Zoological Section Institute Of Low Temperature Science Hokkaido University
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Honma Kenpei
National Research Institute of Vegetables, Ornamental Plants and Tea
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TSUTSUI Hitoshi
Upland Farming Division, Hokkaido National Agricultural Experiment Station
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Honma Kenpei
National Research Institute Of Vegetables Ornamental Plants And Tea
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HONMA Kenpei
(Present address)Central Research Institute for Food Crops, Jalan Merdeka 99, Bogor, Indonesia
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Tsutsui H
Upland Farming Division Hokkaido National Agricultural Experiment Station
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Tsutsui Hitoshi
Upland Farming Division Hokkaido National Agricultural Experiment Station
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Sakagami Shoichi
Zoological Institute Faculty Of Science Hokkaido University
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