Articles

THE INHIBITORY EFFECT OF HINOKITIOL AND TROPOLONE ON REDDISH COLOURATION IN MECHANICALLY WOUNDED SCALES OF HIPPEASTRUM X HYBR. HORT. AND ON THE DEVELOPMENT OF PHOMA NARCISSI, THE PATHOGEN OF HIPPEASTRUM

Article number
755_74
Pages
533 – 542
Language
English
Abstract
Hinokitiol (β-thujaplicin) is a tropolone-related compound that is present in the heartwood of several Cupressaceae trees.
It was found that hinokitiol and tropolone greatly inhibited formation of reddish colouration of injured scales of Hippeastrum bulbs.
Hinokitiol and tropolone applied preventively substantially inhibited the growth of Phoma narcissi on excised scales and leaves of Hippeastrum. The possible mechanism of inhibitory action of tropolone and hinokitiol on reddish colouration of injured scales of Hippeastrum and on the disease symptoms induced by Phoma narcissi on excised scales and leaves is discussed.

Publication
Authors
M. Saniewski, A. Saniewska, M. Horbowicz, S. Kanlayanarat
Keywords
Hippeastrum x hybr. hort., red pigment formation, hinokitiol, tropolone, scales, bulbs
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