Results 131 to 140 of about 1,310 (167)
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LEAF ARRANGEMENTS IN AILANTHUS ALTISSIMA
American Journal of Botany, 1937THE GENERAL systems of leaf arrangements are known (Wright, 1873; Henslow, 1876; de Candolle, 1881; Weisse, 1894; Strasburger, 1930; and others). The causations of the different arrangements are still speculative. The literature on the causes of phyllotaxis appears to segregate into four groups: (1) general or non-specific, (2) unknown influences which
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New Coumarins from the Ailanthus altissima
HETEROCYCLES, 2005Two new coumarin derivatives were isolated together with three known coumarins, artelin (3), isofraxidin (4), and scoploetin (5) from the bark of Ailanthus altissima (Simaroubaceae). New coumarin derivatives were elucidated as terpenylated coumarins, named altissimacoumarin A (1) and altissimacoumarin B (2), respectively. Trans-Configuration of between
Ki Hun Park +5 more
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Indole Alkaloids of Ailanthus altissima [PDF]
Planta Medica, 1980 Varga E. +3 more
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Evidence for allelopathy by tree-of-heaven (Ailanthus altissima)
Journal of Chemical Ecology, 1990Ailanthus altissima (Mill.) Swingle contains one or more phytotoxic compounds in roots and leaves. Activity is higher in roots, where it occurs primarily in the bark. Powdered root bark and leaflets strongly inhibited growth of garden cress (Lepidium sativum L.) when mixed with soil in Petri dishes (ID50 values=0.03 g root bark, 0.6 g leaflet/dish ...
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Antiproliferative effects of tree-of-heaven (Ailanthus altissima Swingle)
Phytotherapy Research, 2005Tree-of-heaven (Ailanthus altissima Swingle) was evaluated for its cytotoxic and antiproliferative activities by a bioassay-oriented study. Cytotoxicity observed in HeLa cells was time-dependent; the treatment with 10 microg/mL of the root chloroform extract reduced cell viability by 56% at 24 h and 29% at 48 h of exposure, whereas no effect was ...
DE FEO, Vincenzo +6 more
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Ailanthus altissima - Ein Naturschutzproblem?
2013Ailanthus altissima Swingle is commonly referred to as an “aggressive neophyte”, which is accused to threaten the "native biodiversity" and “to displace domestic species". In the Donauauen national-park, A. altissima is typically encountered in Fraxino-Ulmetum associations with a strong tendency towards naturalization.
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Control of Ailanthus altissima in a natural environment
2015Ailanthus altissima (Mill.) Swingle (commonly named tree of haven, family: Simaroubaceae) is a very dangerous invasive plant species. The invasiveness of this dioecious species is due to its ability to reproduce, equally well, both by seed (one plant can produce thousands of "flying" samaras) and asexually (its extended and vigorous root system ...
Casella F +4 more
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2015
???????????????????? Ailanthus altissima ?????????? 20???25 ?????????? ???? ?????????????????? ???????????????? ?????????????????? ?????????????????? ???????????????????????????????????????????? ??????????????, ???????????????? ???????????????????????? (???? 76???94%) ???????????????? ?????? ?????????????? ?? ???????????????? ?????????????????????? ????
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???????????????????? Ailanthus altissima ?????????? 20???25 ?????????? ???? ?????????????????? ???????????????? ?????????????????? ?????????????????? ???????????????????????????????????????????? ??????????????, ???????????????? ???????????????????????? (???? 76???94%) ???????????????? ?????? ?????????????? ?? ???????????????? ?????????????????????? ????
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