美洲斑潜蝇成虫的卵巢结构观察及营养影响卵子发生的试验

来源 :环境昆虫学报 | 被引量 : 0次 | 上传用户:yuhan78001
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
卵育型(Synovigenic)植食性昆虫的雌成虫需要取食寄主植物组织或非寄主食物(如花蜜、花粉等)以延长寿命和促进产卵。为了明确寄主食物和非寄主食物对美洲斑潜蝇Liriomyza sativae卵子发生的功能差异,本实验在明确美洲斑潜蝇成虫卵巢发育动态和结构的基础上,比较了清水(饥饿,对照)、菜豆叶片、20%葡萄糖溶液、菜豆叶片+20%葡萄糖溶液四种处理下的雌成虫卵子发生动态。结果显示:美洲斑潜蝇为强卵育型昆虫,初羽化成虫体内无卵子;两侧卵巢管数之和为11-18根,大多数情况下,左右两侧卵巢管数目不等。
其他文献
Experience economy is a new economic development tendency after agricultural economy, industrial economy and service economy. Tourism consumption shows new char
期刊
本文就人民币汇率升值对山东省外贸结构的影响进行分析,尤其是从价格角度和生产成本角度分析了汇率变动对出口商品结构的具体影响机理,并结合山东经济发展实际,对人民币汇率升值
古典诗歌教学一直是高中语文教学重点和难点之一。近年来,如何有效地开展高中语文古典诗歌教学,成为语文教师热衷探讨的教学问题。本文从明确目标,夯实基础;立足文本,授之以
The paper has proposed the design concept of "solid waterscape". It considers that in waterscape design, it should select a design style suitable for local clim
Categories of earth-sheltered buildings were summarized, and it was proposed that landscape features of earth-sheltered buildings were demonstrated mainly as "e
Campus landscape as the essence of campus environment accentuates the history, culture and time characteristics of university. Pleasant and elegant campus lands
期刊
Renovation design of wasteland on the original Quarter A of Panzhihua Nongnongping Steelcasting Factory was taken for example in this study, natural conditions
本文在探讨金融生态的复杂性适应特征基础上,运用复杂性适应系统理论从微观和宏观两个层面分析金融生态平衡的内涵及其调节机理。分析表明,金融生态平衡意味着单个金融组织利润
校训是学校价值信仰、办学理念和精神传统的集中概括。校训的遣词用语简短精悍,蕴含着独特的思想品位与文化意蕴,以书面语呈现方式成为隐性课程的日常图式。黑龙江商业职业学
Classical Chinese gardens were investigated from the perspective of semiotics,it was proposed that single constructions,decoration patterns on components,and co