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The influence of plant extracts on growth of Erwinia amylovora - the causal agent of fire blight
Author(s) -
G. Krupinski,
P. Sobiczewski
Publication year - 2013
Publication title -
acta agrobotanica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.4
H-Index - 9
eISSN - 2300-357X
pISSN - 0065-0951
DOI - 10.5586/aa.2001.025
Subject(s) - erwinia , juglans , fire blight , bark (sound) , botany , biology , horticulture , agar , chemistry , bacteria , genetics , ecology
Ethanol and water extracts obtained on Soxhlet apparatus from various organs and parts (leaves, flowers, shoots, onion, bark, fruit) of 30 herbal and woody plants species were tested for growth inhibition of Erwinia amylovora using agar diffusion method. Active extracts were found in 23 plant species but in 13 ofthem it was found for the first time. The highest diameter of growth inhibition zone of this bacterium was caused by extracts from Aloe arborescens, Juglans regia, Rhus typhina, Salvia offici nalis and Satureja hortensis. In almost all cases ethanol appeared to be a better solvent of active plant substances against E.amylovora than water

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