近几个月，白果之乡——广西灵川县海洋乡大片白果林遭到叶枯、白蚁双重危害，一些百年老树已成枯木。为此，海洋乡展开了一场“虫口夺树”大战。　　海洋乡有50多万株年代久远的白果树，其中最老的树龄达500多年，百年以上的有1．7万多株，年产量700多吨，产值1　400多万元 In recent months, the hometown of ginkgo - Guangxi Lingchuan Ocean Township, large white ginkgo trees were blight, termites double damage, some 100-year-old trees have become dead wood. To this end, Ocean Township launched a “Insect wins tree” war. Ocean Township has more than 500,000 white ginkgo trees with a long history, of which the oldest is over 500 years old, over 17,000 trees over a century, with an annual output of over 700 tons and an output value of over 14 million yuan