论文部分内容阅读
吸果夜蛾是大中型蛾子,夜间为害柑桔等多种果实,尤以果实将成熟时受害严重。桔园8月就有发生,但以9-10月为害最烈。成虫在入夜时飞入桔园,9-11时活动高峰,蛾在果面上探索刺吸点后用口器刺入果内吸食果汁,天将亮才飞离桔园躲在附近杂草阴蔽处栖息。青果实受害,孔口不易愈合,留下木栓化伤疤,刺孔多则脱落。将成熟果实受害后有汁液流出,腐烂处呈圆形灰褐色,几天后果实掉落地面。采收时受害,因刺孔小,不易发现,但在包装后贮运时容易腐烂,常损失10-20％。在山区丘陵地带,早熟、果皮薄,风味较好的品种,常受
Moths are large and medium-sized moths, citrus and other night-harmful fruit, especially if the fruit will be seriously affected when mature. Orange Park occurred in August, but the worst in September-October. Adult flying into the orange garden at night, 9-11 peak activity, moths in the fruit to explore after the sucking point piercing the fruit with mouthparts to drink fruit juice, the sky will be bright before flying away from the Orange Park to hide in the vicinity of weeds Yin Shelter at habitat. Green fruit damage, the orifice is not easy to heal, leaving a cork of scars, punctures and more fall off. After the ripe fruit suffered juice outflow, decay at the round brown, a few days after the fruit fell to the ground. Harvest harvested due to small punctures, not easy to find, but easy to decay during storage after storage, often lost 10-20%. In mountainous hilly areas, precocious, thin peel, better flavor varieties, often affected