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. 2020 Oct 9;3:560. doi: 10.1038/s42003-020-01284-7

Fig. 4. Survival analysis of almond trees infected by Xylella fastidiosa in Majorca.

Fig. 4

The time of infection for each tree (n = 30) was determined by qPCR assay on DNA extract from sawdust obtained from dated almond growth rings. Most of the trees were symptomatic and alive at felling and thus right censored.