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Forge, T.; Muehlchen, Andrea; Hackenberg, C.; Neilsen, G. H.; Vrain, T. C.

doi:10.1023/a:1012743028974

Cited by 35 publications

(9 citation statements)

References 28 publications

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“…On the contrary, we found no correlation between root colonization by AMF and growth response of the seedlings. These findings are confirmed by the research of Forge et al [43], whereby differences in the overall growth promotion of the Glomus species they evaluated were not clearly related to differences in root colonization. According to Forge et al [43], colonization may not be the best indicator of mycorrhiza-enhanced nutrient uptake and overall growth, but could be a good indicator of pathogen suppression.…”

Section: Discussionsupporting

confidence: 84%

“…It must be noted that the number of nematodes was only counted in the soil of the seedlings and not in the roots. However, the proportion of the number of nematodes per pot compared to the number of nematodes per root system remained the same in the study of Forge et al [43].…”

Section: Discussionmentioning

confidence: 96%

“…However, the effect of AMF on nematode reduction is apparently ambiguous with fruit trees. Mycorrhizal inoculation had no effect on the number of nematodes with rootstocks of cherry, quince, and plum [35,36,37,38], while a lower amount of nematodes was shown with apple, peach, and pear [39,40,41,42,43]. In addition, most of the commercial mycorrhiza products contain only generally occurring species, which may not be the most efficient for fruit trees.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Arbuscular Mycorrhizal Fungi on Pratylenchus penetrans Infestation in Apple Seedlings under Greenhouse Conditions

Ceustermans¹,

Hemelrijck²,

Campenhout³

et al. 2018

Pathogens

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A major problem in fruit cultivation in Flanders is replant disease due to a lack of uncultivated soils available for new plantings. Replant disease can cause poor growth and affect time to full production, however Arbuscular Mycorrhizal Fungi (AMF) can prove their usefulness with regard to these problems. To further investigate the effect of AMF on nematodes, different AMF species were amended to potted apple seedlings in the presence of the nematode Pratylenchus penetrans. Generally, apple seedlings grew better in the presence of nematodes when mycorrhiza were inoculated into the soil. Moreover, a positive correlation (R2 ≥ 0.88) was found between the percentage root length colonization of the roots of apple seedlings, by AMF species, and nematode reduction in the soil of the seedlings. Indigenous AMF could colonize the roots of apple seedlings the most efficiently, resulting in a higher biocontrol effect. Besides, a synergistic effect was observed when two AMF strains were applied together leading to a significant growth response of the seedlings.

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Section: Discussionsupporting

confidence: 84%

Section: Discussionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Effect of Arbuscular Mycorrhizal Fungi on Pratylenchus penetrans Infestation in Apple Seedlings under Greenhouse Conditions

Ceustermans¹,

Hemelrijck²,

Campenhout³

et al. 2018

Pathogens

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“…Numerous studies have shown the existence of differences among AM fungi in their interactions with RKN and that prior establishment of the mycorrhiza often impairs the development and reproduction of the nematodes (Stroble et al 1982;Habte et al 1999;Forge et al 2001;Waceke et al 2001). All of the three AM fungi tested significantly reduced the galling index.…”

Section: Resultsmentioning

confidence: 99%

Pre-inoculation with arbuscular mycorrhizal fungi suppresses root knot nematode (Meloidogyne incognita) on cucumber (Cucumis sativus)

Zhang

Christie

et al. 2008

Biol Fertil Soils

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A pot experiment was conducted to evaluate the influence of pre-inoculation of cucumber plants with each of the three arbuscular mycorrhizal (AM) fungi Glomus intraradices, Glomus mosseae, and Glomus versiforme on reproduction of the root knot nematode Meloidogyne incognita. All three AM fungi tested significantly reduced the root galling index, which is the percentage of total roots forming galls. Numbers of galls per root system were significantly reduced only in the G. intraradices +M. incognita treatment. The number of eggs per root system was significantly decreased by AM fungus inoculation, no significant difference among the three AM fungal isolates. AM inoculation substantially decreased the number of females, the number of eggs g −1 root and of the number of eggs per egg mass. The number of egg masses g −1 root was greatly reduced by inoculation with G. mosseae or G.versiforme. By considering plant growth, nutrient uptake, and the suppression of M. incognita together, G. mosseae and G. versiforme were more effective than G. intraradices.

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“…Preliminary scientific studies have provided evidence that the inoculation of young apple trees with AMFs can reduce the incidence of the fungal pathogens Dematophora necatrix (causing white root rot apple disease) and Botryosphaeria sp. [21,22] and improve seedling growth rates and nutritional status [23][24][25][26][27].…”

Section: Introductionmentioning

confidence: 99%

The Effect of Microbial Inoculation under Various Nitrogen Regimes on the Uptake of Nutrients by Apple Trees

2021

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The European Green Deal strategy currently implemented in the EU aims to, among others, reduce the negative impact of fertilization on the environment. One of the solutions influencing the nutritional status of plants and the improvement of soil quality is the use of plant symbiosis with microorganisms. Thus, in this study we investigated the effect of arbuscular mycorrhizal fungi (AMFs) and plant-growth-promoting rhizobacteria (PGPR) colonization on the nutritional status of apple leaves and fruit, depending on the nitrogen treatment. In a fully factorial experiment, trees were grown for nine years with or without AMFs and PGPR. We compared several ammonium nitrate treatments as well as growth without fertilization as a control. The interactions between inoculation and doses of nitrogen fertilization were observed. AMF + PGPR significantly increased the concentration of nitrogen (N), phosphorus (P), and potassium (K) in leaves up to 5%, 23%, and 19%, respectively, depending on the N dosage. Conversely, in uninoculated trees, the nitrogen treatment had a negative impact on the leaf P mineral status. On the other hand, under microbial inoculation conditions, the dose of 100 kg N∙ha−1 diminished the leaf phosphorus content in comparison to other N doses, by a maximum of 9.6%. AMF + PGPR, depending on the N treatment, either did not influence or it decreased the Mg and Ca concentrations in the leaves by maximums of 8% and 15%, respectively. Microbial inoculation had no effect on the acquisition of Ca and Mg by fruits, except for the coupled negative influence of the 100 kg N∙ha−1 treatment. Symbiosis positively conditioned the K in fruits under a specific N regime—100 kg N∙ha−1 divided into two applications during the season and 50 kg N∙ha−1 applied to the herbicide strip, increasing the concentration by approximately 4% and 8%, respectively. This study greatly contributes to our understanding of the benefits of AMF and PGPR on perennials and encourages the future exploration of their effects on apple yield and fruit quality.

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Cited by 35 publications

References 28 publications

Effect of Arbuscular Mycorrhizal Fungi on Pratylenchus penetrans Infestation in Apple Seedlings under Greenhouse Conditions

Effect of Arbuscular Mycorrhizal Fungi on Pratylenchus penetrans Infestation in Apple Seedlings under Greenhouse Conditions

Pre-inoculation with arbuscular mycorrhizal fungi suppresses root knot nematode (Meloidogyne incognita) on cucumber (Cucumis sativus)

The Effect of Microbial Inoculation under Various Nitrogen Regimes on the Uptake of Nutrients by Apple Trees

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