丽蚜小蜂两个品系对烟粉虱若重的寄生适宜性

	丽蚜小蜂两个品系对烟粉虱若重的寄生适宜性
	张世泽 1; 万方浩 1; 张帆 2; 花保桢 3
刊名	中国生物防治
	2003
卷号	19 期号:4 页码:149-153
关键词	丽蚜小蜂烟粉虱寄主龄期适宜性生物学参数
ISSN号	1005-9261
其他题名	Parasitic Suitability of Two Strains of Encarsia Formosa on Bemisia tabaci
英文摘要	研究了丽蚜小蜂两个品系（分别来自英国和美国）对烟粉虱各龄若虫的寄生适宜性。结果表明，两品系都能寄生烟粉虱的各龄若虫，且在3龄若虫上的寄生率最高，英国品系为55 ．3％，美国品系为57 ．6％；1龄若虫上的寄生率最低，分别为41 ．2％和43．8％；寄生1龄若虫时小蜂羽化率最低，分别为79 ．5％和83 ．6％；寄生3龄若虫时羽化率最高，分别为91 ．3％和92．8％，品系间羽化率无差异。两品系寄生1龄粉虱时发育历期最长，分别为24．0d和23 ．4d；英国品系寄生3、4龄若虫时发育历期最短（18 ．9、19 ．3d），而美国品系寄生4龄若虫时历期最短（15 ．8d），两品系寄生4龄粉虱时发育历期差异明显。由4龄若虫寄生蛹羽化出的小蜂寿命最长，分别为4．8d和4．9d；从1龄若虫寄生蛹羽化出的小蜂寿命最短，均为2．5d.; The parasitic suitability of two strains of Encarsia formosa on Bemisia tabaci was assessed in the laboratory. Results showed that both strains, introduced from UK and USA respectively, could parasitize all the instars of B. tabaci. Parasitic rates on the 3rd instar were 55.3 % by the British strain and 57.6 % by the American strain, and on the 1st instar were 41.2% and 43.8% respectively. The emergence rate of adult was also the highest (91.3% and 92.8 % ) in host parasitized in the 3rd instar and only 79.5% and 83.6% in that parasitized in the 1st instar. The develop-memtal period of Encarsia that parasitized the 1st instar Bemisia nymph was the longest (British strain 24.Od and American strain 23. 4d) and that parasitized the 4th instar was the shortest (British strain 18.9d and American strain 15.8d). Females emerged from the host parasitized in the 4th instar could starve the longest period (British strain 4.8d and Amrican strain 4.9d) and those parasitized in the 1st instar host starved the shortest (2.5d for both strains),
学科主题	农业基础科学
语种	中文
内容类型	期刊论文
源URL	[http://111.203.20.206/handle/2HMLN22E/17637]
专题	农业环境与可持续发展研究所
作者单位	1.中国农科院生物防治研究所, 北京, 100081 2.北京市农林科学院植环所 3.西北农林科技大学植物保护学院
推荐引用方式 GB/T 7714	张世泽,万方浩,张帆,等. 丽蚜小蜂两个品系对烟粉虱若重的寄生适宜性[J]. 中国生物防治,2003,19(4):149-153.
APA	张世泽,万方浩,张帆,&花保桢.(2003).丽蚜小蜂两个品系对烟粉虱若重的寄生适宜性.中国生物防治,19(4),149-153.
MLA	张世泽,et al."丽蚜小蜂两个品系对烟粉虱若重的寄生适宜性".中国生物防治 19.4(2003):149-153.