受害马尾松针叶营养及次生物质含量与思茅松毛虫种群参数的相关分析

›› 2012, Vol. 55 ›› Issue (4): 435-443.doi:

受害马尾松针叶营养及次生物质含量与思茅松毛虫种群参数的相关分析

周索, 陈顺立, 陈德兰, 吴晖, 张飞萍, 张潮巨, 杜瑞卿

河南南阳师范学院生命科学与技术学院，河南南阳 473061

收稿日期:2011-10-24 修回日期:2012-03-06 出版日期:2012-04-20 发布日期:2012-04-20
通讯作者: 陈顺立 E-mail: cslfjau@126.com
作者简介:周索，女， 1970年生, 硕士, 副教授, 主要从事植物学研究， E-mail: duruiqing8@163.com; zhousuo2046@163.com
基金资助:
福建省科技厅重大科技专项（2006NZ0001-2）；福建省林业厅林木种苗攻关项目（2003-07）

Correlative analysis between contents of nutrients and secondary substances in damaged masson pine needles and population parameters of Dendrolimus kikuchii (Lepidoptera: Lasiocampidae)

ZHOU Suo, CHEN Shun-Li, CHEN De-Lan, WU Hui, ZHANG Fei-Ping, ZHANG Chao-Ju, DU Rui-Qing

College of Life Science and Technology, Nanyang Normal University, Nanyang, Henan 473061, China

Received:2011-10-24 Revised:2012-03-06 Online:2012-04-20 Published:2012-04-20
Contact: CHEN Shun-Li E-mail: cslfjau@126.com
About author: duruiqing8@163.com; zhousuo2046@163.com

摘要/Abstract

摘要： 为了揭示受害马尾松Pinus massoniana针叶主要化学物质变化对思茅松毛虫Dendrolimus kikuchii Matsumura种群变动的影响，本研究以受思茅松毛虫危害程度不同（轻度、中度和重度）的马尾松针叶喂养思茅松毛虫幼虫，测定思茅松毛虫饲养种群的特征参数和不同受害程度马尾松针叶营养物质与次生物质含量，用综合相关系数分析法对试验结果进行分析。结果表明：（1）随植株受害程度加重，针叶黄酮含量增加，可溶性糖、蛋白质、多糖含量减少，各龄幼虫平均历期延长、死亡率升高。单宁和总酚含量的变化与各龄幼虫平均历期、死亡率之间没有显著的相关性；（2）除6龄幼虫外，其他各龄幼虫的平均历期、死亡率均与松针营养物质和次生物质含量有直接的和综合的相关性；（3）随受害程度加重， 7龄幼虫体重、幼虫平均取食量、蛹重、化蛹率、雌性比、每雌生殖力减小。单宁、总酚含量的变化对7龄幼虫体重、幼虫平均取食量、蛹重、幼虫平均死亡率、化蛹率、雌性比、每雌生殖力都没有显著影响。总体上，松针营养和次生物质含量对思茅松毛虫种群参数有重要影响，其重要性依次为可溶性糖＞蛋白质＞多糖＞黄酮，单宁和总酚的作用相对较小。

关键词: 思茅松毛虫, 马尾松, 营养物质, 次生物质, 种群参数, 综合相关系数

Abstract: In order to explore the effects of variation in chemical substances in damaged masson pine (Pinus massoniana) needles, on population dynamics of Dendrolimus kikuchii, D. kikuchii larvae were reared with masson pine needles with different damage degrees caused by the pest in the laboratory, its population parameters and contents of nutrients and secondary substances in damaged masson pine needles were measured, and the integrated correlation coefficient was adopted for data analysis. The results showed that with the damage increasing in masson pine needles caused by D. kikuchii larvae, flavones in needles increased accordingly, while contents of soluble sugars, polysaccharides and proteins decreased. The average developmental duration and mortality of D. kikuchii larvae increased with the damage increasing. No significant correlation was found between the variation in contents of tannins or total phenols and the developmental duration or mortality of each instar larvae. There were significantly direct and comprehensive correlations between contents of nutrients and secondary substances of masson pine needles and the developmental duration or mortality of each instar larvae excluding 6th instar larvae. With the damage increasing in masson pine needles caused by D. kikuchii larvae, all parameters including body weight of 7th instar larvae, needle consumption, pupal weight, emergence rate, female ratio and fecundity in D. kikuchii population feeding the damaged masson pine needles decreased. No significant correlation was found between the variation in contents of tannins or total phenols and population parameters of D. kikuchii larvae. The results suggest that the contents of nutrients and secondary substances in masson pine needles dramatically influence the population parameters of D. kikuchii, with the importance sequence from high to low: soluble sugars>proteins>polysaccharides>flavones. Contents of tannins and total phenols seem to have no significant influence.

Key words: Dendrolimus kikuchii, Pinus massoniana, nutrients, secondary substances, population parameters, integrated correlation coefficient

中图分类号:

Q969

周索, 陈顺立, 陈德兰, 吴晖, 张飞萍, 张潮巨, 杜瑞卿. 受害马尾松针叶营养及次生物质含量与思茅松毛虫种群参数的相关分析[J]. , 2012, 55(4): 435-443.

ZHOU Suo, CHEN Shun-Li, CHEN De-Lan, WU Hui, ZHANG Fei-Ping, ZHANG Chao-Ju, DU Rui-Qing. Correlative analysis between contents of nutrients and secondary substances in damaged masson pine needles and population parameters of Dendrolimus kikuchii (Lepidoptera: Lasiocampidae)[J]. , 2012, 55(4): 435-443.

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