Webb1 nov. 2024 · The aim of this study was to identify bioactive compounds from leaves of the invasive plant Xanthium spinosum and assess their phytotoxic activity. Activity-guided fractionation led to the isolation of 6 bioactive compounds: xanthatin (1), 1α,5α-epoxyxanthatin (2), 4-epiisoxanthanol (3), 4-epixanthanol (4), loliolide (5) and … WebbAbstract. Screening and identification of phytotoxic volatile compounds were performed using 71 medicinal plant species to find new natural compounds, and the …
Botrytis hypersensitive response inducing protein 1 triggers ...
Webb2.2. Phytotoxic Effect of Isolated Compounds In general, compounds 1, 3 and 4 exhibited stronger inhibitory effect on the monocot plant, P. annua, compared with compound 2, which showed more potent effect on the dicot plant, A. retroflexus. Among the six compounds, compound 1 possessed the strongest inhibitory activity against A. … WebbChalcones are compounds highly toxic for many phytoparasitic nematodes, even more than some commercial nematicidal as in the case of trans-chalcone that showed a strong nematicide and nematostatic action against the potato cyst nematodes ( González; EstévezBraun, 1998 ), important parasitic nematodes in terms of economic and … pain at base of head and dizziness
Programa de Pós-Graduação em Biodiversidade Vegetal e Meio …
WebbThe current study was designed to explore the phytotoxic potential of extracts/fractions of various parts of Pistacia integerrima and isolated flavonoids (1-3) against Lemna aequinoctialis. The results demonstrated marked phytotoxic activity of extracts/fractions of different parts of the plant when studied at different concentrations (10, 100 and 1000 … Webb9 apr. 2024 · In addition, it has been shown that Ptr produces several anthraquinone mycotoxins, such as catenarin and emodin [18,19] and phytotoxic compounds known as triticones or spirostaphylotrichins [20,21]. P. teres spp. also produce several known types of compounds with phytotoxic or cytotoxic properties. WebbWhen assayed on detached grapevine leaves (Vitis vinifera cv. Shiraz) both the compounds showed phytotoxic… Visualizza altro Two new phytotoxic 1-substituted ethanones, named luteoethanones A and B, were isolated from Neofusicoccum luteum, the causal agents of Botryosphaeria dieback in Australia. pain at ball of foot near big toe