Bio-protective effect of a root-nodulating Rhizobium etli strain in common bean (Phaseolus vulgaris) against Meloidogyne incognita and Radopholus similis in an in vitro autotrophic tripartite culture system

被引：0

作者：

Van der Veken, Lieselot ^{[1
]}

Win, Pa Pa ^{[2
]}

Seeboruth, Preeti ^{[3
]}

Cabasan, Ma. Teodora N. ^{[4
]}

Swennen, Rony ^{[5
,6
]}

Elsen, Annemie ^{[7
,8
]}

De Waele, Dirk ^{[5
,9
]}

机构：

[1] Pro Terra Agro, Bijlokstr 144, B-3020 Herent, Belgium

[2] UNOPS, Livelihoods & Food Secur Fund, Mayangone Township, Yangon, Myanmar

[3] Univ Mauritius, Fac Agr, Reduit 80837, Mauritius

[4] Univ Southern Mindanao, Coll Sci & Math, Dept Biol Sci, Kabacan 9407, Cotabato, Philippines

[5] Univ Leuven KULeuven, Fac Biosci Engn, Dept Biosyst, Lab Trop Crop Improvement, W Croylaan 42, B-3001 Leuven, Belgium

[6] Int Inst Trop Agr IITA, Arusha, Tanzania

[7] Soil Serv Belgium, W Croylaan 48, B-3001 Heverlee, Belgium

[8] Univ Ghent, Fac Sci, Dept Biol, KL Ledeganckstr 35, B-9000 Ghent, Belgium

[9] North West Univ, Unit Environm Sci & Management, Private Bag X6001, ZA-2520 Potchefstroom, South Africa

来源：

NEMATOLOGY | 2021年 / 23卷 / 06期

关键词：

biocontrol; burrowing nematode; nodulation; plant growth-promoting rhizobacteria; root-knot nematode; autotrophic model system; IDENTIFICATION; RESISTANCE; SPP;

D O I：

10.1163/15685411-bja10066

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

The bio-protective effect of a root-nodulating strain (CNPAF 512) of the nitrogen-fixing rhizobium, Rhizobium etli, against both a sedentary (Meloidogyne incognita) and a migratory (Radopholus similis) endoparasitic nematode in common bean (Phaseolus vulgaris) was examined using an in vitro autotrophic tripartite culture system. Two in vitro assays were carried out with each of the nematode species. Each assay consisted of two treatments: the plants were either inoculated with the rhizobial strain or remained non inoculated (control plants). To examine the effect of either pre-or simultaneous inoculation of the rhizobial strain on the reproduction of M. incognita and R. similis, one assay was carried out in which the nematodes were inoculated 3 weeks after rhizobial inoculation while another assay was carried out in which the nematodes were inoculated simultaneously with the rihizobial strain. Both pre inoculation and simultaneous inoculation with R. etli CNPAF 512 significantly suppressed the reproduction of both M. incognita and R. similis. Summary - The bio-protective effect of a root-nodulating strain (CNPAF 512) of the nitrogen-fixing rhizobium, Rhizobium etli, against both a sedentary (Meloidogyne incognita) and a migratory (Radopholus similis) endoparasitic nematode in common bean (Phaseolus vulgaris) was examined using an in vitro autotrophic tripartite culture system. Two in vitro assays were carried out with each of the nematode species. Each assay consisted of two treatments: the plants were either inoculated with the rhizobial strain or remained noninoculated (control plants). To examine the effect of either pre- or simultaneous inoculation of the rhizobial strain on the reproduction of M. incognita and R. similis, one assay was carried out in which the nematodes were inoculated 3 weeks after rhizobial inoculation while another assay was carried out in which the nematodes were inoculated simultaneously with the rihizobial strain. Both preinoculation and simultaneous inoculation with R. etli CNPAF 512 significantly suppressed the reproduction of both M. incognita and R. similis. Keywords - autotrophic model system, biocontrol, burrowing nematode, nodulation, plant growth-promoting rhizobacteria, root-knot

引用

页码：645 / 653

页数：9

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