Effect of colonization of pear stigmas by Pseudomonas syringae pv. syringae on fruit set

'Packham's Triumph' (Pyrus communis L.) pear blossoms inoculated with Pseudomonas syringae pv. syringae van Hall upon emasculation and then hand-pollinated at different times to assess the effects of bacterial colonization on fruit set. The pathogen significantly reduced fruit set by...

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Bibliographic Details
Published inHortScience Vol. 29; no. 2; pp. 74 - 75
Main Authors Mansvelt, E.L, Calitz, F.J
Format Journal Article
LanguageEnglish
Published Alexandria, VA American Society for Horticultural Science 01.02.1994
Subjects
AFRIQUE DU SUD
Agronomy. Soil science and plant productions
Bacterial plant pathogens
Biological and medical sciences
FRUCTIFICACION
FRUCTIFICATION
FRUITS
FRUTAS
Fundamental and applied biological sciences. Psychology
GINECEO
GYNECEE
INFECCION EXPERIMENTAL
INFECTION EXPERIMENTALE
Pathology. Damages, economic importance
Phytopathology. Animal pests. Plant and forest protection
POLINIZACION
POLLINISATION
PSEUDOMONAS SYRINGAE
PYRUS COMMUNIS
SUDAFRICA
Pseudomonadales
Pyrus communis
Pathophysiology
Plant pathogen
Stigma
Rosaceae
Pollination
Infection
Pseudomonas syringae
Dicotyledones
Angiospermae
Bacteriosis
Bacteria
Pseudomonadaceae
Spermatophyta
Fruit tree
Damage
Colonization
Fructification
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Summary:'Packham's Triumph' (Pyrus communis L.) pear blossoms inoculated with Pseudomonas syringae pv. syringae van Hall upon emasculation and then hand-pollinated at different times to assess the effects of bacterial colonization on fruit set. The pathogen significantly reduced fruit set by 24%. No lesions developed on pear flowers at any stage of the trials
Bibliography:9510639
H20
ISSN:0018-5345
2327-9834
DOI:10.21273/hortsci.29.2.74