营林措施对落叶松球果花蝇危害的抑制作用  

The Control Effects of Forest Management Measures on the Damage of Larch Cone Flies

作　　者：张丹丹[1] 迟德富[1] 姜海燕 严善春[1] 李玲[1] 

机构地区：[1]东北林业大学,哈尔滨150040 [2]大兴安岭林管局

出　　处：《东北林业大学学报》2001年第6期18-19,共2页Journal of Northeast Forestry University

基　　金：黑龙江省攻关项目 ( 6 7991990 3)

摘　　要：1998年秋和 1999年春 ,在大兴安岭兴安落叶松种子园内 ,研究了松土、喷施生物助长剂、除草等营林措施对球果花蝇危害的抑制作用。松土、喷施生物助长剂、除草的平均出种率较对照的 1.6 2 %分别提高1.77%、3.5 0 %和 3 .30 %。与对照相比 ,除草、施生物助长剂对球果出种率的影响差异极显著 ,松土差异显著 ,三者之间差异不显著。种子平均发芽率较对照的 1.2 5 %分别提高 0 .5 0 %、19.0 0 %和 31.0 0 %。与对照相比 ,除草、施生物助长剂对种子发芽率的影响差异极显著 。The control effects of forest management measures on the damage of larch cone flies ( Strobilomyia spp.) were studied in 1998 and 1999 in larch seed orchard in Jiagedaqi of Daxing'anling. Plowing land, spraying creature facilitation agent and weeding were used on the sample trees. The results show that plowing land, spraying creature facilitation agent and weeding can increase seed production and germination capacities. The seed/cone ratios increase 1.77%, 3.50% and 3.30% respectively compared with 1.62% of control. The rates of seed germination increase 0.50%, 19.00% and 31.00% respectively compared with 1.25% of control. Both spraying creature facilitation agent and weeding can significantly increase the seed/cone ratio and the rate of seed germination.

关 键 词：落叶松 球果花蝇 营林措施 危害 抑制作用 

分 类 号：S763.712.2[农业科学—森林保护学]