绿翅绢野螟实验种群两性生命表的组建与分析

林凌鸿; 汪一萍; 李銮; 徐嘉骏; 陈素琴; 朱程; 吴梅香

doi:10.19303/j.issn.1008-0384.2019.04.011

绿翅绢野螟实验种群两性生命表的组建与分析

doi: 10.19303/j.issn.1008-0384.2019.04.011

福建农林大学植物保护学院, 福建福州 350002

基金项目:

国家重点研发计划项目 2016YFC1202101-4

福建农林大学2017创新科技项目 KFA17386A

详细信息

作者简介:
林凌鸿(1993-), 男, 硕士研究生, 研究方向:农业昆虫与害虫防治(E-mail:496688081@qq.com)

通讯作者:
吴梅香(1969-), 女, 博士, 副教授, 研究方向:农业昆虫与害虫防治(E-mail:wuivy2000@126.com)

中图分类号: Q968
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- 被引次数: 0
出版历程
- 收稿日期: 2019-03-02
- 修回日期: 2019-04-03
- 刊出日期: 2019-04-28

Construction and Analysis of Two-sex Life Table on Experimental Population of Diaphania angustalis

College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China

摘要

摘要: 目的绿翅绢野螟Diaphania angustalis（Snellen）是糖胶树上的主要害虫之一，以幼虫取食叶片及卷叶危害，严重影响糖胶树的生长发育及观赏与药用价值。为补充其基本生物学信息，提供综合治理绿翅绢野螟的理论依据，开展了绿翅绢野螟各虫态发育历期、繁殖与幼虫取食量等的研究，以期为明确其防治适期提供科学依据。方法组建实验种群两性生命表，分析绿翅绢野螟各虫态的发育历期、成虫繁殖力、各龄幼虫取食量和存活率等种群参数。结果在温度（28±1）℃、相对湿度（70±5）%及光周期（L：D=12：12）的条件下，绿翅绢野螟种群的平均世代周期为（45.42±0.55）d，内禀增长率为（0.099±0.006）d^-1，周限增长率为（1.104±0.007）d^-1，净增殖率为（92.28±22.50，子代）。雌成虫个体的繁殖力为（369.20±65.44）粒；单头雌成虫最高产卵量达1 267粒。在幼虫期，随着虫龄的增加，发育历期随之增长，取食量随之增加。高龄幼虫的发育历期显著长于低龄幼虫；4~6龄幼虫的取食量显著大于1~3龄幼虫。结论综合考虑幼虫各虫龄的发育历期及取食量，认为1~3龄幼虫阶段是其防治的关键时期。
- 绿翅绢野螟 /
- 糖胶树 /
- 两性生命表 /
- 取食量 /
- 生长发育
Abstract: Objective Larval development, fecundity and feeding of Diaphania angustalis (Snellen), a major pest that infests blackboard trees by larva feeding on leaves and leaf-rolls causing serious damage on the ornamental and medicinal plants, were studied to determine the effective controlling period. Method The development, fecundity, feeding habit and survival rate of D. angustalis larvae were deciphered with the constructed two-sex life table of the pest from an experimental population. Results At the temperature of (28±1)℃, relative humidity of (70±5)% and photoperiod of L:D=12:12, the mean generation time of the moth was found to be (45.42±0.55)d; the intrinsic rate of increase, (0.099±0.006)d; the finite rate of increase, (1.104±0.007)d; and, the net reproduction rate, (92.28±22.50) offspring. The fecundity of a female adult was(369.20±65.44)eggs, 1 267 at the highest. The number and reproduction of the population increased with time. At larva stage, the development time and feed consumption increased with age. It took significantly longer for the older larvae than the younger larvae to develop, and a larva consumed significantly more in the 4^th to 6^th than 1^st to 3^rd instar stage. Conclusion The most effective period for controlling D. angustalis appeared to fall on the 1^st to 3^rd instar larvae.
- Diaphania angustalis /
- Alstonia schalaris /
- two-sex life table /
- feeding /
- growth and development

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图 1 绿翅绢野螟的特定年龄-龄期存活率

Figure 1. Age-stage specific survival rate (s_xj) of D. angustalis

下载: 全尺寸图片幻灯片

图 2 绿翅绢野螟的种群年龄存活率、年龄-龄期繁殖力、种群特定年龄繁殖率、种群年龄-龄期特征净繁殖力

Figure 2. Age specific survival rate (l_x), age-stage specific fecundity (f_x10), age specific population fecundity (m_x), and age specific maternity (l_xm_x) of D. angustalis

下载: 全尺寸图片幻灯片

图 3 绿翅绢野螟的特定年龄-龄期繁殖价(vxj)

Figure 3. Age-stage specific reproductive value (v_xj) of D. angustalis

下载: 全尺寸图片幻灯片

图 4 绿翅绢野螟的特定年龄-龄期取食量

Figure 4. Age-stage specific consumption amount (c_xj) of D. angustalis

下载: 全尺寸图片幻灯片

图 5 绿翅绢野螟的特定年龄存活率(l_x)、特定年龄取食率(k_x)和特定年龄净取食率(q_x)

Figure 5. Age specific survival rate (l_x), age specific consumption rate (k_x), and age specific net consumption rate (q_x) of D. angustalis

下载: 全尺寸图片幻灯片

表 1 28℃条件下绿翅绢野螟的各发育阶段的发育历期及种群参数

Table 1. Time and population factors at developmental stages of D. angustalis at 28℃

发育阶段 Stage	个体数 n	发育历期 Developmental period/d	种群参数 Population parameters
卵Egg	93	2.99±0.02 f	种群总寿命(48.13±0.73)d
1龄幼虫1^st instar larva	92	2.46±0.05 f	成虫前期(35.60±0.35)d
2龄幼虫2^nd instar larva	89	2.11±0.03 f	内禀增长率(0.099±0.006)d^-1
3龄幼虫3^rd instar larva	83	2.35±0.07 f	周限增长率(1.104±0.007)d^-1
4龄幼虫4^th instar larva	78	2.50±0.09 f	净增殖率(92.28±22.50，子代)
5龄幼虫5^th instar larva	70	3.73±0.15 e	世代平均周期(45.42±0.55)d
6龄幼虫6^th instar larva	62	5.42±0.22 d	总繁殖率(361.85±65.92)粒
预蛹Prepupa	60	4.05±0.03 e	成虫产卵前期(5.16±0.37)d
蛹期Pupa	60	9.98±0.10 e	总产卵前期(40.60±0.43)d
雌成虫Female adult	28	13.71±1.14 a	产卵期(8.04±1.01)d
雄成虫Male adult	32	11.50±0.92 b	产卵量(369.20±65.44)粒·雌^-1
注：表中数据为平均数±标准误。同列数据后不同小写字母表示经过Tukey-Kramer法检验差异显著(P < 0.05)。 Note: Data are presented as mean ± SE; those with different letters in a list are significantly different at 5% level according to Tukey-Kramer test.

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表 2 绿翅绢野螟幼虫期各阶段的取食率参数

Table 2. Consumption rate of D. angustalis larvae at different stages

发育阶段 Stage	平均取食量 Consumption rate of each stage/(mg·个体^-1)	平均每日取食量 Mean daily consumption rate/ (mg·个体^-1)	取食量参数 Consumption rate parameter
1龄幼虫1^st instar larva	69.79±2.09 f	28.41±0.12 f	净取食量(1704.24±99.52)(mg·个^-1)
2龄幼虫2^nd instar larva	101.73±3.13 e	48.16±0.21 e	转化率(19.63±5.27)(mg·子代^-1)
3龄幼虫3^rd instar larva	170.35±6.61 d	72.50±0.32 d
4龄幼虫4^th instar larva	276.45±10.69 c	110.58±0.48 c	稳定取食率(50.33±1.52)(mg·个^-1)
5龄幼虫5^th instar larva	474.16±20.24 b	124.17±0.56 b	周限取食率(55.60±1.74) (mg·个^-1)
6龄幼虫6^th instar larva	1238.60±50.84 a	228.56±1.00 a
注：表中数据为平均数±标准误。同列数据后不同小写字母表示经过Tukey-Kramer法检验差异显著(P < 0.05)。 Note: Data are presented as mean ± SE; those with different letters in a list are significantly different at 5% level according to Tukey-Kramer test.

下载: 导出CSV

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