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为探明不同波段LED光对毛健夜蛾Brithys crini(Fabricius)行为的影响,在实验条件下观察了4种不同波段(红光:620～625nm;绿光:520～523nm;蓝色:465～467nm;白光:460～465nm)LED光源下毛健夜蛾幼虫的假死、爬行、静止、取食、排便、瞭望及其他行为和成虫交配及产卵行为。结果表明:(1)毛健夜蛾幼虫在红光、绿光、蓝光和白光4种LED光源下,爬行、静止和取食行为时间分配差异极显著(爬行、静止和取食:P=0.000),红光组爬行的时间占98.06%,绿光组取食时间占83.65%,蓝光组爬行和静止时间占91.56%,白光组爬行时间占61.16%;爬行、静止、取食、瞭望及其他行为发生率差异显著,红光组和白光组爬行行为发生率最高,分别为47.37%和32.00%,绿光组取食行为发生率最高为40.00%,蓝光组爬行行为发生率最高为32.35%;(2)毛健夜蛾跌落幼虫在4种LED光源下,假死发生率差异不显著,但假死持续时间有显著性差异,红光组假死持续时间显著长于蓝光组和白光组;(3)4种LED光源处理后,交配和未交配的单雌产卵量无显著差异;(4)第1-2天的暗期分别使用4种光源,则交配和产卵高峰均出现在第3天的暗期,而第1-2天的暗期不使用光源,则交配和产卵高峰出现在第1天的暗期。这些研究结果初步揭示了不同波段光源对毛健夜蛾行为影响不同。
In order to find out the effect of LED light in different wavelengths on the behavior of Brithys crini (Fabricius), four different bands (red: 620 ~ 625nm, green: 520 ~ 523nm, blue: 465 ~ 467nm; white light: 460 ~ 465nm) suspended animation, crawling, resting, feeding, defecation, lookout and other behaviors and adult mating and spawning behavior of the larvae of the hairy larvae under the LED light source. The results showed that: (1) The time distribution of crawling, resting and feeding behaviors of Spodoptera littoralis larvae were significantly different (crawling, resting and feeding) under the three kinds of red, green, blue and white LED light sources ), The crawling time accounted for 98.06% in the red group, 83.65% in the green group, 91.56% in the blue group and 61.16% in the white group. The crawling, resting, feeding, looking-up and others The highest incidence of crawling was in the red group and the white group, accounting for 47.37% and 32.00% respectively. The highest incidence of green feeding was 40.00% and that of blue light was 32.35%. (2) Spodoptera littoralis larvae under the four kinds of LED light sources, the incidence of suspended animation was not significantly different, but the duration of suspended animation was significantly different, the duration of suspended animation in the red light was significantly longer than the blue and white light groups; (3) 4 There was no significant difference in single female fecundity between mating and unpaired species when treated with LED light source. (4) Four light sources were used in the first two days of darkness, respectively. The mating and spawning peaks appeared on the third day Dark period, while the first two days of the dark period does not use the light source, the mating and spawning peak appears in the dark days of the first day. These findings preliminary revealed that different light sources have different effects on the behavior of Spodoptera litura.