摘要
以番茄和分蘖洋葱为试材,研究了不同品种分蘖洋葱伴生对番茄植株生长、土壤虫口密度、番茄根结线虫病情指数和发病率的影响,以期为番茄根结线虫的生物防治提供参考依据。结果表明:不同品种分蘖洋葱伴生对番茄植株地上部鲜质量、地下部鲜质量和株高等生长指标无显著影响。定植30d时,‘M01’‘M07’‘M34’‘M46’‘M40’‘M45’‘M12’‘M14’‘M20’处理的土壤中虫口数显著高于单作对照;定植60d时,‘M02’‘M04’‘M06’‘M07’‘M08’‘M09’‘M19’‘M20’‘M22’‘M23’‘M25’‘M35’‘M38’‘M39’‘M45’‘M50’‘M51’处理的土壤中虫口数显著高于单作对照,‘M12’‘M21’显著低于单作对照;‘M22’‘M08’‘M23’和‘M38’4个处理的土壤虫口减退率显著低于对照,其它处理与单作对照相比无显著差异;在定植60d时,不同品种分蘖洋葱伴生显著降低了番茄根结线虫的根结指数和病情指数,防治效果在30%~100%,其中‘M11’‘M28’‘M29’‘M51’处理的根结指数和病情指数均为零,显著低于对照及其它处理;在定植120d时,不同品种分蘖洋葱伴生显著降低了番茄根结线虫的发病率,‘M29’‘M51’发病率为3.33%,显著低于对照及其它处理。综上,对番茄根结线虫防效最好的分蘖洋葱品种为‘M11’‘M28’‘M29’和‘M51’。
Tomato and different varieties of potato onions were used as the experimental materials.The effects of different varieties of potato onions companion on tomato growth,population density,disease index and incidence rate of tomato root-knot nematode were studied,in order to provide reference for biological control of tomato root-knot nematode.The results showed that companion cropping with different varieties of potato onion had no significant effect on the,aboveground fresh weight,root fresh weight and plant height after planted for 30 days.The＇M01＇＇M07＇＇M34＇＇M46＇＇M40＇＇M45＇＇M12＇＇M14＇＇M20＇were so significantly higher than control on soil nematode population after planted for 30 days.During the 60 days of planting,＇M02＇＇M04＇＇M06＇＇M07＇＇M08＇＇M09＇＇M19＇＇M20＇＇M22＇＇M23＇＇M25＇＇M35＇＇M38＇＇M39＇＇M45＇＇M50＇＇M51＇were significantly higher than control on soil nematode population,and ＇M12＇＇M21＇were significantly lower than control.The ＇M22＇＇M08＇＇M23＇and＇M38＇4 treatment were significantly lower than that of the control on decrease rate of soil nematodes,and the other treatments were not significantly than control.The different varieties of potato onions were significantly reduced the root knot index and disease index of the root-knot nematode where between 30%-100%,specially the root index and disease index of ＇M11＇＇M28＇＇M29＇＇M51＇had no disease,significant than the control and other treatments.Different varieties of potato onion associated significantly reduced the incidence of tomato root-knot nematode,＇M29＇＇M51＇incidence rate was 3.33%,significantly lower than control and other treatments after planted for 30 days.In summary,the best potato onion varieties companion cropping with tomato were＇M11＇＇M28＇＇M29＇and＇M51＇for controlling tomato root-knot nematode.
作者
白晶芝
于洪杰
安冬梅
吴凤芝
BAI Jingzhi;YU Hongjie;AN Dongmei;WU Fengzhi(School of Horticulture and Landscape Architecture,Northeast Agricultural University,Harbin,Heilongjiang 150030)
出处
《北方园艺》
CAS
北大核心
2018年第18期1-8,共8页
Northern Horticulture
基金
国家大宗蔬菜产业技术体系专项资助项目(CARS-23-B10)
国家自然科学基金资助项目(31672200)
关键词
根结线虫
番茄
分蘖洋葱
伴生
root-knot nematode
tomato
potato onion
intercropping
