CAJ | 학술논문

于2011年在湖南优质稻试验示范基地,开展了稻田放养牛蛙的生态种养试验,比较分析了两种放养蛙密度对稻飞虱的控制效果及其对水稻产量的影响.结果表明:稻田每公顷放养牛蛙900只和1500只的小区,对稻飞虱的防控效果为60%~70%,效果较好,且对天敌蜘蛛和黑肩绿盲蝽的影响较小;放养牛蛙对二化螟和稻纵卷叶螟没有防控效果;水稻结实率比空白对照分别提高了13.8%和15.8%,较化学防治区分别降低了6.2%和4.1%;水稻产量与空白对照均存在显著差异,而放养900只牛蛙·hm?2稻田的水稻产量显著低于化学防治区.
우2011년재호남우질도시험시범기지,개전료도전방양우와적생태충양시험,비교분석료량충방양와밀도대도비슬적공제효과급기대수도산량적영향.결과표명:도전매공경방양우와900지화1500지적소구,대도비슬적방공효과위60%~70%,효과교호,차대천활지주화흑견록맹춘적영향교소;방양우와대이화명화도종권협명몰유방공효과;수도결실솔비공백대조분별제고료13.8%화15.8%,교화학방치구분별강저료6.2%화4.1%;수도산량여공백대조균존재현저차이,이방양900지우와·hm?2도전적수도산량현저저우화학방치구.
@@@@The ecological effects of rice-bullfrog mixed cultivation were investigated in the demonstration base of high quality rice, Hunan in 2011. Results showed that planthopper population in paddy fields with 900 and 1500 bullfrog·hm?2 was decreased by 60%—70%, while spider and Cyrtorhinus lividipennis were not negatively affected. Seed-setting in paddy fields with 900 and 1500 bullfrog·hm?2 was increased by 13.8% and 15.8%, respectively, compared with the blank-control area, but was decreased by 6.2% and 4.1%, respectively, compared to chemical control fields. Rice yield was significantly higher in paddy fields with 900 and 1500 bullfrog·hm?2 than that in the blank-control fields, but was significantly lower in yields with 900 bullfrog·hm?2 than that in chemical control fields.