Phytotoxic activity
CHEMICAL CONSTITUENTS AND PHYTOTOXIC ACTIVITY OF LEAVES OF Annona nutans.
... low activity, flavonoids 3-O-β-D-galactopyranosyl-isorhamnetin, 3-O-β-D-galactopyranosyl- quercetin and 3-O-β-D-apiofuranosyl-(1→2)-galactopyranosyl-quercetin were identified, determined by spectrometric ...
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Phytotoxic activity and chemical composition of aqueous volatile fractions from Eucalyptus species.
... The identification and quantification of AVFs revealed that 1,8- cineole was the most abundant components in the AVFs of all Eucalyptus species tested. 1,8-Cineole has been confirmed to have many bioactivities [1,23]. ...
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Synthesis and phytotoxic activity of 2-Phenyl-6,7-exo isopropylidenedioxi-8-oxabicyclo[3.2.1]oct-2-ene.
... SYNTHESIS AND PHYTOTOXIC ACTIVITY OF 2-PHENYL-6,7-EXO - ISOPROPYLIDENE- DIOXI-8-OXABICYCLO[3.2.1]OCT-2-ENE. The [3+4] cycloaddition between furan and the oxyallyl cation generated from ...
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Phytotoxic activity of crude aqueous extracts and fractions of young leaves of Sapindus saponaria L. (Sapindaceae)
... for phytotoxic activity, as well as to identify which compounds have potential for use as growth regulators and herbicides (Dayan & Duke ...biological activity (Macías et ...
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Synthesis and evaluation of the phytotoxic activity of α-Santonin derivatives.
... SYNTHESIS AND EVALUATION OF THE PHYTOTOXIC ACTIVITY OF α-SANTONIN DERIVATIVES. Mixtures of α-Santonin and various solvents were irradiated by either high or low pressure mercury lamps. The photochemical ...
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Synthesis and phytotoxic activity evaluation of new oxygenated analogues of helminthosporic acid.
... SYNTHESIS AND PHYTOTOXIC ACTIVITY EVALUATION OF NEW OXYGENATED ANALOGUES OF HELMINTHOSPORIC ACID. Several compounds related to helminthosporic acid (3) were synthesized via the [3+4] cycloaddition. The ...
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Synthesis and phytotoxic activity evaluation of lactone derivatives of 2,4-dimethyl-8-oxabicyclo[3.2.1]-oct-6-en-3-one.
... Para a avaliação da atividade fitotóxica dos compostos sintetiza- dos foram realizados ensaios utilizando-se Sorghum bicolor L.. (pepino, dicotiledônea).[r] ...
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Phytotoxic Activity of N-Hexane Extract Obtained From Drimys Winteri Bark on Four Weeds
... En bioensayos en macetas, se determinó el efecto fitotóxico del extracto sobre la emergencia y crecimiento de las plántulas de malezas, en los cuales se aplicó el extracto mezclado con e[r] ...
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Phytotoxic activity of auxin on germination and seedling growth of Stylosanthes humilis
... ACO activity) or in 50 ml Erlenmeyer flasks (for ethylene determinations) containing two layers of Whatman n o 1 filter paper moistened with 15 or 5 ml test-solution, ...
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Quím. Nova vol.36 número4
... Use of residual waste from the initial processing of the seeds of D. odorata for artisanal goods and industrial production employing traditional agricultural techniques, such as crop cover, may also be important. ...
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Potencial fitotóxico de Drimys brasiliensis Miers para o controle de plantas daninhas
... greater phytotoxic effects on the shoot growth of weed species compared to the chemical fractions; however, the hexane fraction from root extracts exhibited the highest inhibitory potential for both species ...
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RHIZOBACTERIA ABLE TO PRODUCE PHYTOTOXIC METABOLITES
... of phytotoxic activity for their metabolites (Table 1) seemed reasonable, since no report describing any deleterious effect of such bacteria on plant was ...
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PHYTOTOXIC POTENTIAL OF THE GEOPROPOLIS EXTRACTS OF THE JANDAIRA STINGLESS BEE (Melipona subnitida) IN WEEDS
... the phytotoxic activity of geopropolis from the Jandaira bee (Melipona subnitida Ducke) in the state of Ceará in Northeast Brazil and to analyze its ...a phytotoxic effect of 50% (PE50) for ...
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MATERIAL AND METHODS Strain
... subsp. angustifolium (family Onagraceae) has been investigated on biological weed control (Garcia-Pajon and Collado, 2003). It produces large necrotic lesions on the leaves and stem of the infected plant. Two C-6 and C-8 ...
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UNIVERSIDADE FEDERAL DE SÃO CARLOS CENTRO DE CIÊNCIAS BIOLÓGICAS E DA SAÚDE PROGRAMA DE PÓS-GRADUAÇÃO EM ECOLOGIA E RECURSOS NATURAIS
... 8 activity of ICA was better explored by carrying out tests on seed germination, seedling growth, and metaxilema cells of Euphorbia heterophylla and Megathyrsus ...The phytotoxic activity of the ...
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A GAINSTP ARTHENIUMW EED
... of phytotoxic action of aqueous extract of a plant varies by plant part (Sinha & Singh, 2004; Swain et ...potential phytotoxic activity against parthenium ...herbicidal activity against ...
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J. Braz. Chem. Soc. vol.23 número12
... In this work we report a versatile synthesis of fourteen γ-lactones all structurally related, nine of which are novel compounds, accomplished from the readily available furfural. The phytotoxic activity of ...
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Rev. bras. farmacogn. vol.21 número5
... and phytotoxic activity indices The phytotoxic effects of the tested exudates on germination were described by the use of germination indices (Chiapusio et ...the phytotoxic damage were used: ...
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Rev Bras Med Esporte vol.17 número5 en a02v17n5
... physical activity between the peri and postmenopausal women was performed through the T test for independent samples and the comparison of the health and hormone replacement through the chi-square ...physical ...
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Antimalarial, Anticancer, Antimicrobial Activities and Chemical Constituents of Essential Oil from the Aerial Parts of Cyperus kyllingia Endl.
... Antimalarial activity against P. falcipalum (K1) was determined by microculture radioisotope techniques (Desjardins et al.) [3]. The anticancer activity against the NCI-H187 was performed using the method ...
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