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Various organs of Hippeastrum infected by Phoma narcissi, infested with mite, Steneotarsonemus laticeps or mechanically wounded, produce red pigment on the surface of injured tissues. The aim of the present work was to study the effect of salicylic (SA) and acetylsalicylic acids (ASA) (inhibitors of biosynthesis of jasmonates and ethylene) on red pigment formation in wounded scales of bulbs of Hippeastrum...
The studies were carried out in 2001. Effect of two cytokinin and auxin combinations in the medium (1 mg(BA)·dm³ + 0.1 mg (NAA)·dm³ and kinetin 5 mg·dm³ + 0.5 mg(IAA)·dm³) on differentiation of bulblets on twin scale expla nts of three Hippeastrum X chmielii clones and one clone of Hippeastrum hybridum, was tested. Next the effects of sucrose concentration in the medium (30, 60 or 90 g·dm³) as well...
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