Guangdong has become a major＂window＂ for invasive plants, and the largest zone, where cross-border and intercontinental migration frequencies reach the peak. The invasive plants in Guangdong are dominated by Mikania micrantha, Eichhornia crassipes, Alternanthera philoxeroides, Eupatorium odoratum, and Wedelia trilobata. It is an important way for treating the invasive plants by exploring the prevention methods and making ful use of the characteristics of the invasive plants, and it is of great significance to prevent and utilize alien species in a scientific and effective way in order to control the invasive plants with minimal cost.
对10种防控红火蚁药剂进行田间防效评价试验,结果表明:红火蚁克星(Ⅳ型)饵剂、红蚁净、DuPontTM AdvionTM Fire Ant Bait颗粒状饵剂对蚁巢的防效达到80%以上,火蚁一扫清在补施后达到明显的灭巢效果;红火蚁克星(Ⅳ型)、火蚁一扫清、百利普芬、红蚁净等3种药剂对活动工蚁的防效为85%～97%,防效最佳而且效果稳定,而DuPontTM AdvionTM Fire Ant Bait颗粒状饵剂、黑燕2种药剂也表现相似的控制效果。
