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棉铃虫蛾分别在五个日龄（第二至第六天），各经过五个光照梯度的光照处理，结果表明，10－1～10－3lX照度范围是棉铃虫蛾比较合适的活动范围，计算同时表明，棉铃虫蛾在不同照度下的活动反应量差异显著，尤以在10-3lX照度下的活动反应量为最大，约88％左右。
The bollworm moths were treated with five illumination gradients at five days (from the second day to the sixth day) respectively. The results showed that the illuminance range of 10-1-10-3lX was the suitable range of activities for H. armigera, The calculation also shows that there is significant difference in the activity response of H. armigera under different illumination, especially the maximum reaction activity of about 88% at 10-3lX illumination.