我们通过两年观察,发现桔园周围适当种些酸枣树有利于防治金龟子。 我场桔树常被金龟子(以铜绿金龟子为主)为害,为害盛期在5～7月。1987年尤为严重,有一片桔园叶片受害率达30％。我场桔园周围种植了一些 After two years of observation, we found that the appropriate jujube tree around the orange orchard is good for the control of chafer. My field of orange trees are often chafers (mainly copper chafer) damage, damage peak in May to July. Particularly serious in 1987, there is an orange leaf damage rate of 30%. Some plants have been planted around my orange field