48%盖灌能EC对柑橘黄龙病树伐桩处理试验

Effect of stumps treated by 48% Triclopyr EC of citrus tree infected with Citrus huanglongbing

在柑橘黄龙病重灾区,病树清理量大,病树伐桩处理困难,目前普遍推行的处理方法费工费时,处理措施难以到位,导致病树伐桩萌芽率高,成为新的传染源。本文利用48%盖灌能EC使用柴油为溶剂对柑橘黄龙病树伐桩进行处理。结果表明,5个处理试验对抑制病树伐桩萌芽均有很好的防效,270 d防效全南县果园达到98.7%,其他都达到100%;同时具有很好的催腐效果。该处理方法操作简单易行,省时省工,可以节省大量的人力和财力,是一种经济、安全、有效的柑橘黄龙病树伐桩处理方法。

Treatment of stumps of citrus tree infected with Citrus huanglongbing was a difficult task in epidemic area of the disease ,and the present treating methods were inefficiency with heavy workload,time -consuming and high germination percentage,which brought risk of increasing infection sources of the disease. Effect of stumps of citrus tree infected with Citrus huanglongbing treated by 48% Triclopyr EC with solution of diesel oil was tested. And the results showed that the five different treatments had better efficiency of sprouting inhibition and decomposition. Controlling rate reached 98.7% in Quannan county after 270 d and the others were 100%. The method with advantages of easy-operating,time-saving and money-saving was an economical, safe and efficiency method for treatment of stumps of citrus tree infect- ed with Citrus huanglongbing.