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Leaf endophytic microbiomes of different almond cultivars grafted to the same rootstock

Journal Article · · Journal of Applied Microbiology
DOI:https://doi.org/10.1111/jam.15813· OSTI ID:1909747

Abstract Aims

We compared the bacterial endophytic communities of three genetically different almond cultivars that were all grafted on the same type of rootstock, growing side by side within a commercial orchard.

Methods and Results

We examined the diversity of leaf bacterial endophytes using cultivation-independent techniques and assessed the relative abundance of bacterial families. Two of these three cultivars were dominated by Pseudomonadaceae, while the bacterial composition of the third cultivar consisted mainly of Streptococcaceae.

Conclusions

The experimental set up allowed us to analyse the impact of the shoot cultivar on endophytes, minimizing the influence of rootstock, biogeography, and cultivation status. Our data suggest that the shoot cultivar can shape the leaf endophytic community composition of almond trees.

Significance and Impact of the Study

Our results suggest that the shoot cultivar controls the composition of the foliar bacterial endophytic community of almonds. Overall, our results could provide a first step to develop strategies for a more sustainable almond agriculture.

Sponsoring Organization:
USDOE
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1909747
Alternate ID(s):
OSTI ID: 1898702
Journal Information:
Journal of Applied Microbiology, Journal Name: Journal of Applied Microbiology Journal Issue: 6 Vol. 133; ISSN 1364-5072
Publisher:
Oxford University PressCopyright Statement
Country of Publication:
United Kingdom
Language:
English

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