Molecular genetic variability of Italian binucleate Rhizoctonia spp. isolates from strawberry

Manici, L.; Bonora, Patrizia

doi:10.1007/s10658-007-9100-5

Cited by 38 publications

(53 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…isolates obtained from diseased strawberry plants in Israel, which were classified to AGs belonged to AG-A, while fewer isolates belonged to AG-F Am1 and AG-G. One isolate belonged to AG-K. Concurrent with the present study, Manici and Bonora (2007) indicated that rDNA-ITS sequences of Italian isolates clustered with AG-K isolates which were virulent to strawberry (citing some of the Str isolates from our present study). None of the BNR isolates from Israel belonged to AG-I.…”

Section: Discussionsupporting

confidence: 85%

Genetic diversity, anastomosis groups and virulence of Rhizoctonia spp. from strawberry

et al. 2007

View full text Add to dashboard Cite

show abstract

Section: Discussionsupporting

confidence: 85%

Genetic diversity, anastomosis groups and virulence of Rhizoctonia spp. from strawberry

et al. 2007

View full text Add to dashboard Cite

show abstract

“…confirmed legume as the preferred host of this soil-borne pathogen when compared with cereal crops, as already reported for binucleate Rhizoctonia sp. from strawberry (Manici and Bonora 2007). Marigold used in this study was a gardening variety commonly grown in the area of the experimental site and it is not clear whether its effect was simply due to (i) low soilborne fungal pathogen specialization toward marigold, or (ii) to the antimicrobial compounds produced by this species (Hooks et al 2010).…”

Section: Discussionmentioning

confidence: 99%

Impact of cover crop in pre-plant of apple orchards: relationship between crop health, root inhabiting fungi and rhizospheric bacteria

et al. 2015

View full text Add to dashboard Cite

. 2015. Impact of cover crop in pre-plant of apple orchards: relationship between crop health, root inhabiting fungi and rhizospheric bacteria. Can. J. Plant Sci. 95: 947Á958. Replant disease of fruit tree orchards has a multifactorial etiology, mainly due to the decline in soil biodiversity along with an increase in root rot pathogens, which can be principally countered with appropriate cropping practices. Therefore, a study on the impact of cover crops on plant health of young fruit trees in long-term orchards was performed. Bioassays were performed over two consecutive growing cycles using soil from a multigeneration apple orchard affected by replant disease. First, a cycle was performed with three cover crops (alfalfa, barley, marigold) and apple rootstock plantlets; at the end, the above-ground part of the plant was removed and root residues left in the soil. In the second cycle, an apple orchard planting was simulated upon the first experimental design. Changes of diversity and composition of root inhabiting fungi and rhizospheric bacteria were evaluated as well as apple plant growth response to the pre-plant treatments. Results suggest that one cycle with alternate plants was sufficient to induce changes at the rhizosphere level, despite soil microbial resilience caused by the same long-term soil management. Rhizospheric bacteria were generally affected by plant genotype. Findings suggest that all three different cover crops can harbor almost all fungal species that colonize apple in replanted orchards (Fusarium spp., Pythum spp., binucleate Rhizoctonia sp., Cylindrocarponlike-fungi and a several nonpathogenic saprophytic fungi named ''other''), but their infection frequency varied according to the host plant. A single pre-plant break treatment did not overall differ significantly in plant growth of subsequent apple tree; however, break with marigold, which increased abundance of nonpathogenic root inhabiting fungi more than other cover crops, gave significantly higher plant growth than obtained after barley. This study provides evidence about covercrop potential to increase soil diversity in long-term permanent cropping systems and to manipulate root colonizing fungi involved in crop health.Key words: Alfalfa, barley, marigold, root rot fungal complex, Pythium spp., replant disease, Cylindrocarpon-like fungi, Rhizoctonia sp., permanent cropping systems Manici, L. M., Kelderer, M., Caputo, F., Nicoletti, F., De Luca Picione, F. et Topp A. R. 2015. Impact d'une culture abri sur les vergers de pommiers avant la plantation: liens entre la sante´des arbres, les champignons peuplant les racines et les bacte´ries de la rhizosphe`re. Can. J. Plant Sci. 95: 947Á958. La maladie de la replantation des arbres fruitiers se caracte´rise par une e´tiologie multifactorielle re´sultant principalement d'une baisse de la biodiversite´du sol et d'une hausse de la population des agents pathoge`nes responsables du pourridie´, hausse que l'on peut dans une large mesure combattre en adoptant les mesures agricoles ade´quates. Da...

show abstract

“…DNA was extracted using the DNeasy Plant Mini Kit (Qiagen AG, Hombrechtikon, Switzerland), from 0.25 mg of mycelia. Fungal DNA of each strain was in part amplified with ITS1F primer, sequenced as described in Manici and Bonora (2007) and submitted to GenBank ( Table 2).…”

Section: Identification Of Dgge Bandsmentioning

confidence: 99%

Rhizospheric changes of fungal and bacterial communities in relation to soil health of multi-generation apple orchards

et al. 2015

View full text Add to dashboard Cite

Molecular genetic variability of Italian binucleate Rhizoctonia spp. isolates from strawberry

Cited by 38 publications

References 28 publications

Genetic diversity, anastomosis groups and virulence of Rhizoctonia spp. from strawberry

Genetic diversity, anastomosis groups and virulence of Rhizoctonia spp. from strawberry

Impact of cover crop in pre-plant of apple orchards: relationship between crop health, root inhabiting fungi and rhizospheric bacteria

Rhizospheric changes of fungal and bacterial communities in relation to soil health of multi-generation apple orchards

Contact Info

Product

Resources

About