CAJ | 학술논문

于2006-2008年采用稻茎浸渍法监测了我国主要水稻种植区大田褐飞虱种群对苯基吡唑类杀虫剂(氟虫腈)、新烟碱类及昆虫生长调节剂类杀虫剂(噻嗪酮)的抗性动态变化.结果表明,2008年褐飞虱对氟虫腈的抗性水平随其迁飞途径而出现急剧上升态势,其中,从我国南方稻区迁入长江中下游流域等6省10地种群和回迁至广东韶山、深圳两种群对氟虫腈抗性分别上升至中等水平抗性(15.0～32.5倍)和高水平抗性(66.9～73.7倍),明显高于2006年5省6地(2.6～5.8倍)和2007年9省11地(3.2～8.4倍)大田褐飞虱种群的抗性水平.上述结果预示2009年、2010年两年在全国稻区可能暴发褐飞虱对氟虫腈更高水平的抗性.自从2005年10-11月褐飞虱对新烟碱类的吡虫啉产生极高水平抗性(277～811倍)以来,近3年来抗性虽有一定程度下降,但仍处于高水平-极高水平抗性阶段,其中,2008年我国8省13地褐飞虱种群的抗性仍高达210.1～381.7倍.褐飞虱对其他的新烟碱类药剂噻虫嗪、烯啶虫胺和呋虫胺的抗性水平分别为 2.0～15.8、0.7～4.8和0.6～2.8倍.褐飞虱对噻嗪酮为敏感到中等水平抗性(3.0～11.9倍).近几年来大量、广泛使用氟虫腈防治褐飞虱和稻纵卷叶螟两类迁飞性害虫是褐飞虱对其暴发抗性的重要原因.因此,必须及时制定全国范围防治两类迁飞性害虫的交替轮换用药抗性治理对策方案,才能延缓褐飞虱抗性的再次暴发.
우2006-2008년채용도경침지법감측료아국주요수도충식구대전갈비슬충군대분기필서류살충제(불충정)、신연감류급곤충생장조절제류살충제(새진동)적항성동태변화.결과표명,2008년갈비슬대불충정적항성수평수기천비도경이출현급극상승태세,기중,종아국남방도구천입장강중하유류역등6성10지충군화회천지엄동소산、심수량충군대불충정항성분별상승지중등수평항성(15.0～32.5배)화고수평항성(66.9～73.7배),명현고우2006년5성6지(2.6～5.8배)화2007년9성11지(3.2～8.4배)대전갈비슬충군적항성수평.상술결과예시2009년、2010년량년재전국도구가능폭발갈비슬대불충정경고수평적항성.자종2005년10-11월갈비슬대신연감류적필충람산생겁고수평항성(277～811배)이래,근3년래항성수유일정정도하강,단잉처우고수평-겁고수평항성계단,기중,2008년아국8성13지갈비슬충군적항성잉고체210.1～381.7배.갈비슬대기타적신연감류약제새충진、희정충알화부충알적항성수평분별위 2.0～15.8、0.7～4.8화0.6～2.8배.갈비슬대새진동위민감도중등수평항성(3.0～11.9배).근궤년래대량、엄범사용불충정방치갈비슬화도종권협명량류천비성해충시갈비슬대기폭발항성적중요원인.인차,필수급시제정전국범위방치량류천비성해충적교체륜환용약항성치리대책방안,재능연완갈비슬항성적재차폭발.
The resistances to the phenyl pyrazole (such as fipronil), neonicotinoid and insect growth regulator insecticides (buprofezin) in brown planthopper, Nilaparvata lugens (St(a)l) were monitored by rice-stem dipping method during 2006 to 2008. Results showed that N. lugens sharply developed resistance to fipronil following its immigration route in 2008. The levels of resistance to Fipronil in 10 immigration populations from 6 provinces in the Yangtze River Delta areas and the back-migration populations in Shaoguan and Shenzhen of Guangdong were moderate (resistance ratio 15.0-fold to 32.5-fold) and high (66.9-fold to 73.7-fold), respectively, higher than those of all 6 field populations from 5 provinces in 2006(2.6-fold to 5.8-fold) and 11 populations from 9 provinces in 2007 (3.2-fold to 8.4-fold). The above results suggest that N. lugens would develop a higher level of resistance to fipronil in most rice-growing areas in China during 2009 to 2010. All populations collected in 2006-2008 showed high or extremely high level of resistance to imidacloprid, of which the resistance levels of 13 populations from 8 provinces in 2008 were 210.1-fold to 381.7-fold, though the resistance level dropped slightly in the following 3 years comparing with the extremely high level in 2005 (277-fold to 811-fold). For other neonicotinoid insecticides such as hiamethoxam, nitenpyram and dinotefuran, the resistance ratios were in the range of 2.0-fold to 15.8-fold, 0.7-fold to 4.8-fold, and 0.6-fold to 2.8-fold, respectively. All the populations were susceptible or low-level resistant to buprofezin (3.0-fold to 11.9-fold). In recent years, widespread and intensive use of fipronil for controlling two classes of migratory rice pest insects (brown planthopper/white-backed planthopper and rice leaf roller) might be a major reason for fipronil resistance out-breaking in N. lugens. Therefore, to prevent insecticide resistance in N. lugens from out-breaking again, insecticide resistance management strategy including alternating and rotating insecticides without cross-resistance need to be established.