广西隆安县板栗主要害虫演化和动物群落多样性初步探究.docxVIP

广西隆安县板栗主要害虫演化和动物群落多样性初步探究 【摘要】根据2005年10月和2006年9月、11月的 调查结果，广西隆安县板栗主要害虫有6目16科22种，其 中鳞翅目为优势目，有5科10种，分别占31.3%和45. 5%, 其中食叶害虫丝脉袋蛾Aatissasnelleni Heylaerts在新品 种嫁接产区发展演化为主要害虫；其次是同翅目有4科4种, 分别占25%和18. 2%o占在采用外来品种处暑红、九家种、 双季等新品种嫁接改造本地油栗后，板栗林动物群落种数平 均增加了 6种，平均个体数增加了 7头，害虫种数均为11 种，没有变化，多样性指数提高了 0.04,均匀度指数减少 -0. 022,生态优势度减少-0.014,表明新板栗林群落稳定性 有所提高，抵抗虫害的能力有所增加。 【关键词】板栗；主要害虫；演化；动物群落多样性 Guangxi Long， an county Chinese chestnut main harmful insect evolution and animal community multiplicity preliminary studyChen Shangwen [Abstract】According to 2005 the 10 month and in 2006 September, November investigation resuIt, the Guangxi Long， an county Chinese chestnut main harmful insect has 6 item 16 branch 22 kinds , in which lepidoptera for superiority item, some 5 branch 10 kinds, account for 31.3% separately and 45. 5%, in which food leaf harmful insect thready pulse bag moth Aatissasnelleni Heylaerts grafts the production area development evolution in the new variety is the main harmful insect； Next has 4 branch 4 kinds with wing item, accounts for 25% separately and 18. 2%. Occupies after uses exotic Heats End red, nine domestically grown, the double season and so on the new variety grafts the transformation local oil chestnut, the Chinese chestnut forest animal community planted the number to increase 6 kinds equally, the average number of individual increased 7 heads, the harmful insect has planted the number is 11 kinds, did not have the change , the multipie indices enhanced 0.04, the uniformity index reduced - 0.022 , the ecology dominance reduce 一 0. 014， indicated the new Chinese chestnut forest community stability had the enhancement, resistance insect pest ability has the increase? [Key words 】Chin ese chestn ut； Main harmful in sec t； Evolution ； Animal community multiplicity 板 栗 (Castanea mollissima)属壳斗科干果类经济植物，果实 味美纯香，具有一定的保健作用和很高的经济价值。 关于板栗虫害的研究，近10年的有：1997年彭进友研 究秋季施药控制虫瘻防治栗瘻蜂，冯明祥等出版专著板栗 病虫害防治” ；1998年倪大伟研究了浙江省板栗主要病虫害 及防治技术；1999年周云娥等研究了板栗果实病虫害的防治 技术；2001年吴益友等在湖北研究了栗实象甲成虫生