Table 1 Average Pseudomonas syringae pv. actinidiae (Psa) populations in several tissues of Actinidia chinensis var. chinensis, expressed in log (cfu g-1 plant tissue), 4 months after inoculation of a single flower with contaminated pollen

From: Pathways of flower infection and pollen-mediated dispersion of Pseudomonas syringae pv. actinidiae, the causal agent of kiwifruit bacterial canker

 

Psa population, log (cfu g−1 plant tissue)

 

Apex (100%)

Graft point (75%)

Rootstock (75%)

Roots (75%)

Naturally contaminated pollen (4.1 × 104 cfu g−1)

2.9 ± 1.4

5.4 ± 1.8

7.6 ± 1.4

6.9 ± 0.6

Experimentally contaminated pollen (106 cfu g−1)

5.7 ± 2.0

5.3 ± 2.7

5.5 ± 2.7

5.0 ± 2.6

  1. The pathogen migrated systemically in all infected plants (Disease Incidence = 100%). The relative incidence of Psa in the different plant organs is reported in brackets. Standard error is shown (n = 6)
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