意大利蝗迁飞能源动态及迁飞与卵巢发育的关系

发布时间：2018-08-26 13:12

【摘要】：意大利蝗(Calliptamus italicus L.)是新疆荒漠、半荒漠草原优势危害种类之一,具有长距离迁飞行为,并常给迁入区造成严重损失。本研究探讨了意大利蝗飞行肌结构特点、意大利蝗飞行能源变化动态和飞行能力与卵巢发育关系。结果表明,吊飞组雌雄成虫的肌节长度长于对照组、肌原纤维直径吊飞组均粗于对照组,但吊飞组与对照组雌虫之间、雄虫之间及雌雄成虫之间的肌节长度、肌原纤维直径无显著差异(P0.05);吊飞组雌雄成虫飞行肌中线粒体含量均显著高于对照组,且对照组与吊飞组雌虫之间、雄虫之间线粒体含量差异显著(P0.05),雌雄成虫之间线粒体含量差异不显著(P0.05)。随日龄增加,意大利蝗糖原积累量呈先增后减的趋势,雌雄成虫分别在7日龄和4日龄体内糖原积累量达到最高,均在10日龄降至最低。雌雄成虫之间糖原含量在4、7、13日龄时有显著差异(P0.05)。雌虫飞行超过2.8 km时糖原消耗量最多,雄虫飞行2.1-2.8 km范围时消耗量最多。随日龄增加,意大利蝗甘油酯变化趋势与糖原相似,雌雄成虫体内甘油酯积累量在7日龄显著高于其他日龄(P0.05),13日龄降至最低。不同日龄雌虫之间、雄虫之间体内甘油酯积累量有显著差异(P0.05),雌雄成虫之间甘油酯积累量差异不显著(P0.05)。飞行距离超过2.8 km后意大利蝗雌雄成虫体内甘油酯消耗量最多,分别为61.69 mg/g和69.75 mg/g。意大利蝗雌虫飞行超过2.8 km、雄虫飞行2.1-2.8 km体内糖原利用效率最大,飞行超过2.8 km甘油酯利用效率最大。意大利蝗飞行能力最强时,其卵巢发育级别为Ⅱ级,飞行能力最弱时,其卵巢发育为Ⅳ级。结果表明,意大利蝗飞行能力和卵巢发育之间存在共轭现象。
[Abstract]:Calliptamus Italicus L. is one of the dominant harmful species in Xinjiang desert and semi-desert grassland. It has long-distance migration behavior and often causes serious damage to the migrated areas. This study explored the structural characteristics of the flying muscles of the Italian grasshopper and the relationship between the flying energy dynamics and the flying ability of the Italian grasshopper and the ovarian development. The length of sarcomeres and the diameter of myofibrils in the flying group were longer than those in the control group, and the diameter of myofibrils in the flying group were thicker than those in the control group, but there was no significant difference in the length and diameter of myofibrils between the females, males and females (P 0.05). There was no significant difference in mitochondrial content between male and female adults (P Glycogen consumption was the highest when females flew over 2.8 km, and the highest when males flew between 2.1 km and 2.8 km. The glycerol accumulation in females and males was significantly higher than that in females at 7 days of age. The accumulation of glycerol esters in male and female adults was significantly different (P 0.05). There was no significant difference between male and female adults (P 0.05). The consumption of glycerol esters in male and female adults was the highest when the flight distance was more than 2.8 km, 61.69 mg/g and 69.75 mg/g, respectively. Glycogen utilization efficiency was the highest in females flying over 2.8 km, males flying between 2.1 km and 2.8 km, and females flying over 2.8 km. There is conjugation between fertility.
【学位授予单位】：新疆师范大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：S433.2

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