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本实验应用色泽识别软件测量了同种植物不同色泽部位饲料条件下,甜菜夜蛾各龄幼虫不同体位体色电子照片的R(红)、G(绿)、B(蓝)和L(明度)4个色泽指标值,分析食料色泽变化对这些指标值的影响特点。结果表明,①不同颜色食料对体色中的红色成分、蓝色成分、明度、绿色指数4项指标影响为极显著(P≤0.01),而对绿色成分指标影响为显著(P≤0.05)。②饲喂白色食料的甜菜夜蛾幼虫,其体色要明显浅于取食有色食料的幼虫体色;③饲喂所有不同色泽白菜的甜菜夜蛾幼虫体色成分中,蓝色成分均明显少于红色和绿色成分;④饲喂白色食料的甜菜夜蛾幼虫体色成分中的蓝成分所占总成分的比率明显高于饲喂黄绿两种食料的蓝成分所占的比率。
In this experiment, R (red), G (green), B (blue) and L (lightness) were measured by color recognition software in different color spots of the same plant under different feed conditions. 4 color index values, analysis of food color changes on the impact of these indicators of the characteristics. The results showed that ① different color materials had significant effect on four indexes (P≤0.01) of red, blue, lightness and green index of body color, but had significant effect on green index (P≤0.05). ② The color of beet armyworm fed with white food was significantly lighter than the color of larva fed with food with color. ③ The body color of beet armyworm fed with all kinds of color cabbage was significantly less blue In the red and green components; ④ The ratio of the blue component in the body color component of the beet armyworm feeding white food was significantly higher than that of the blue component feeding the yellow-green food.