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Effects of Short-term Exposure to High Temperature on the Reproductive Capacity and Offspring Fitness of Eotetranychus sexmaculatus
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Ya LIU1, 2, 3, Lijiu ZHENG1, 2, 3, Yueguan FU1, Fangping ZHANG1, Junyu CHEN1, *
Chinese Journal of Tropical Crops | 2024, 45(2) : 386 - 393
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Chinese Journal of Tropical Crops | 2024, 45(2): 386-393
• Plant Protection & Bio-safety •
Effects of Short-term Exposure to High Temperature on the Reproductive Capacity and Offspring Fitness of Eotetranychus sexmaculatus
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Ya LIU1, 2, 3, Lijiu ZHENG1, 2, 3, Yueguan FU1, Fangping ZHANG1, Junyu CHEN1, *
Affiliations
  • 1.Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan 571101, China
  • 2.College of Plant Protection, Hainan University, Haikou, Hainan 570228, China
  • 3.Key Laboratory of Ministry of Education for Green Prevention and Control of Tropical Plant Diseases and Pests, Hainan University, Haikou, Hainan 570228, China
Published: 2024-02-25 doi: 10.3969/j.issn.1000-2561.2024.02.018
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To clarify the effects of short-term high temperature stress on the developmental, reproductive characteristics and offspring fitness of Eotetranychus sexmaculatus females, the females were exposed to 33 ℃, 36 ℃, 39 ℃, 42 ℃, 45 ℃ for 1 h, 2 h, 4 h, respectively. The longevity, fecundity, offspring developmental period and sex ratio of E. sexmaculatus females were observed. The results showed that the oviposition period of E. sexmaculatus was prolonged and the fecundity was increased exposed to from 33 ℃ to 42 ℃ for 1 h, 2 h, 4 h and 45 ℃ for 2 h and 4 h. The population growth of E. sexmaculatus was the most favorable exposed to 39 ℃, the oviposition period was the longest exposed to 39 ℃ for 1 h, which was 12.67 d, and the fecundity of single female was the highest, which was 32.65. The intrinsic rate of increase (rm) of E. sexmaculatus was the highest exposed to 39 ℃ for 1 and 4 h, which was 0.29, and the population doubling time was shorter, which was 2.42 d and 2.38 d, respectively. Exposed to short-term high temperature stress, there was no significant effect on the offspring sex ratio of E. sexmaculatus. The survival rate of E. sexmaculatus was decreased, the fecundity was decreased, the longevity was prolonged, and the rm value was decreased exposed to 45 ℃ for 1 h. Therefore, the population development of E. sexmaculatus was inhibited at 45 ℃ high temperature stress for 1 h.

Eotetranychus sexmaculatus  /  short-term high temperature exposure  /  reproductive capacity  /  offspring fitness
Ya LIU, Lijiu ZHENG, Yueguan FU, Fangping ZHANG, Junyu CHEN. Effects of Short-term Exposure to High Temperature on the Reproductive Capacity and Offspring Fitness of Eotetranychus sexmaculatus[J]. Chinese Journal of Tropical Crops, 2024 , 45 (2) : 386 -393 . DOI: 10.3969/j.issn.1000-2561.2024.02.018
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doi: 10.3969/j.issn.1000-2561.2024.02.018
  • Receive Date：2022-08-03
  • Online Date：2026-06-23
  • Published：2024-02-25
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  • Received：2022-08-03
  • Revised：2022-12-14
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Affiliations
    1.Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan 571101, China
    2.College of Plant Protection, Hainan University, Haikou, Hainan 570228, China
    3.Key Laboratory of Ministry of Education for Green Prevention and Control of Tropical Plant Diseases and Pests, Hainan University, Haikou, Hainan 570228, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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