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47 results for “Phytotoxicity”
Figs. 1 A-H in Phytotoxic activity of extracts obtained from cagaita (Eugenia dysenterica DC. - Myrtaceae) on the growth of black-jack (Bidens pilosa L.)
Figs. 1 A-H. Effect of different leaf and stem extracts of Eugenia dysenterica DC. on the radicle growth (mm) of Bidens pilosa L. seeds. Means followed by the same letter in the column do not differ from each other by the Tukey test at 5% probability. A. Leaf Aqueous Extract (LAE); B. Leaf Ethanolic Extract (LEE); C. Leaf Hydroalcoholic Extract 70:30 (LHE 70:30); D. Leaf Hydroalcoholic Extract 50:50 (LHE 50:50), E. Stem aqueous extract (SAE); F. Stem ethanolic extract (SEE), G. Stem hydroalcoholic extract 70:30 (SHE 70:30); H. Stem hydroalcoholic extract 50:50 (SHE 50:50).
Figs. 2 A-H in Phytotoxic activity of extracts obtained from cagaita (Eugenia dysenterica DC. - Myrtaceae) on the growth of black-jack (Bidens pilosa L.)
Figs. 2 A-H. Effect of different leaf and stem extracts of Eugenia dysenterica DC. on the hypocotyl growth (mm) of Bidens pilosa L. seeds. Means followed by the same letter in the column do not differ from each other by the Tukey test at 5% probability. A. Leaf Aqueous Extract (LAE); B. Leaf Ethanolic Extract (LEE); C. Leaf Hydroalcoholic Extract 70:30 (LHE 70:30); D. Leaf Hydroalcoholic Extract 50:50 (LHE 50:50); E. Stem aqueous extract (SAE); F. Stem ethanolic extract (SEE); G. Stem hydroalcoholic extract 70:30 (SHE 70:30); H. Stem hydroalcoholic extract 50:50 (SHE 50:50).
Phytotoxicity level of sewage sludge from different cleaning stages on germination and initial growth of Adenanthera pavonina L. (False pau-brasil)
<p>Database referring to the variables, data and equations of the manuscript: Stabilized sewage sludge presents suitable phyto-toxic conditions for germination of false-pau-brasil</p> <p> </p> <p>Alves, G. de O. ., Cardoso, P. H. S. ., Gonçalves, P. W. B. ., Moreira, C. D. D. ., & Sampaio, R. A. . (2021). LODO DE ESGOTO ESTABILIZADO APRESENTA CONDIÇÕES FITOTÓXICAS ADEQUADAS PARA A GERMINAÇÃO DO FALSO PAU-BRASIL. ENERGIA NA AGRICULTURA, 36(3), 348–361. https://doi.org/10.17224/EnergAgric.2021v36n3p348-361</p>
Figure 7 in Phytotoxicity of plant extracts of Vismia japurensis cultivated in vivo and in vitro
Figure 7. Expansion of the 10.0 to 13.0 ppm region of hexanic extract 1H-NMR spectra (top to bottom): (a) Branch hexanic extract; (b) Leaf hexanic extract; (c) Hexanic extract from in vitro seedlings.
Figure 6 in Phytotoxicity of plant extracts of Vismia japurensis cultivated in vivo and in vitro
Figure 6. Expansion of the region from 5.0 to 5.5 and 6.0 to 8.0 ppm of the hexanic extracts 1H-NMR spectra (top to bottom): (a) Branch hexanic extract; (b) Leaf hexanic extract; (c) Hexanic extract from in vitro seedlings.
Figure 5. 1H in Phytotoxicity of plant extracts of Vismia japurensis cultivated in vivo and in vitro
Figure 5. 1H-RMN spectra for hexanic extracts (top to bottom): (a) Branch hexanic extract; (b) Leaf hexanic extract; (c) Hexanic extract from in vitro seedlings.
Figure 3 in Phytotoxicity of plant extracts of Vismia japurensis cultivated in vivo and in vitro
Figure 3. Growth of Lactuca sativa seedlings under the influence of dry and fresh Vismia japurensis leaves (sandwich tests). Significant results are followed by: **p <0.01; ***p <0.001; ****p <0.0001.
Figure 4 in Phytotoxicity of plant extracts of Vismia japurensis cultivated in vivo and in vitro
Figure 4. Seedlings of Lactuca sativa showing the influence of hexanic extracts: (A) L. sativa in contact to leaf hexanic extract and compared to control; (B) General view of L. sativa in contact with hexanic extract from in vitro seedlings and compared to control; (C) Several L. sativa plants in contact with hexanic extract from in vitro seedlings and compared to control; (D) One L. sativa plant in contact with hexanic extract from in vitro seedlings and compared to control; (E) Plant showed in (D) magnified view (2.5x).
Figure 2 in Phytotoxicity of plant extracts of Vismia japurensis cultivated in vivo and in vitro
Figure 2. Lactuca sativa seedling growth when in contact to different methanolic extracts. Significant results are followed by: ****p <0.0001.
Figure 1 in Phytotoxicity of plant extracts of Vismia japurensis cultivated in vivo and in vitro
Figure 1. Lactuca sativa seedling growth when in contact to different hexanic extracts. Significant results are followed by: ****p <0.0001.
Figure 6 in Chemical composition and phytotoxicity of essential oils of Croton doctoris S. Moore (Euphorbiaceae)
Figure 6. Effects of different concentrations of essential oils (EO) from stem and leaves of C. doctoris on peroxidase (A), catalase (B) and superoxide dismutase (C) in lettuce and onion seedlings. Letters above the bars that are different from the letter above the control group indicate statistical difference between them (Dunnet test, p <0.05).
Figure 5 in Chemical composition and phytotoxicity of essential oils of Croton doctoris S. Moore (Euphorbiaceae)
Figure 5. Effects of essential oils (EO) from stem and leaves of C. doctoris on the mitotic index of lettuce (A) and onion (B) seedlings.
Figure 4 in Chemical composition and phytotoxicity of essential oils of Croton doctoris S. Moore (Euphorbiaceae)
Figure 4. Effects of different concentrations of essential oils (EO) from stem and leaves of C. doctoris on mean chlorophyll level in the shoot (A) and potential respiration in the roots (B) (formazan produced by dehydrogenase enzymes) in lettuce and onion seedlings. Letters above the bars that are different from the letter above the control group indicate statistical difference between them (Dunnet test, p <0.05).
Figure 2 in Chemical composition and phytotoxicity of essential oils of Croton doctoris S. Moore (Euphorbiaceae)
Figure 2. Effects of essential oils (EO) of stem (A) and leaves (B) of C. doctoris on germination, radicle and hypocotyl growth and dry matter of lettuce seedlings. Data are expressed as percentage difference from the control treatment. *Statistically different from the control treatment (Dunnet test, p <0.05).
Figure 3 in Chemical composition and phytotoxicity of essential oils of Croton doctoris S. Moore (Euphorbiaceae)
Figure 3. Effects of essential oils (EO) from stem (A) and leaves (B) of C. doctoris on germination, radicle and hypocotyl growth and dry matter of onion seedlings. Data are expressed as percentage difference from the control treatment. *Statistically different from the control treatment (Dunnet test, p <0.05).
Figure 1 in Chemical composition and phytotoxicity of essential oils of Croton doctoris S. Moore (Euphorbiaceae)
Figure 1. Structures of the sesquiterpenes (greater than 5%) of essential oils from leaves and and barks of Croton doctoris.
Photo-documentation of phytotoxicity studies of quinine-based QASs
<p>The codenames in the filenames denote the following compounds:</p> <p>1Br: 1-butylquininium bromide</p> <p>2Br: 1-octylquininium bromide</p> <p>3Br: 1-dodectylquininium bromide</p> <p>4Br: 1-(2-hydroxyethyl)quininium bromide</p> <p>1Asp: 1-butylquininium L-asparaginate</p> <p>2Asp: 1-octylquininium L-asparaginate</p> <p>3Asp: 1-dodectylquininium L-asparaginate</p> <p>4Asp: 1-(2-hydroxyethyl)quininium L-asparaginate</p> <p>1Ala: 1-butylquininium L-alaninate</p> <p>2Ala: 1-octylquininium L-alaninate</p> <p>3Ala: 1-dodectylquininium L-alaninate</p> <p>4Ala: 1-(2-hydroxyethyl)quininium L-alaninate</p>
Table 2 in Phytotoxic activity of extracts obtained from cagaita (Eugenia dysenterica DC. - Myrtaceae) on the growth of black-jack (Bidens pilosa L.)
<p>Table 2. Effect of different leaf and stem bark extracts of <i>Eugenia dysenterica</i> DC. on the germination speed index (GSI) of <i>Bidens pilosa</i> L. seeds.</p><table><tbody><tr><th><b>Concentration (<b>mgL-</b> 1<b>)</b></b></th><th><b>LAE</b></th><th><b>LEE</b></th><th><b>LHE 70:30</b></th><th><b>LHE 50:50</b></th><th><b>SAE</b></th><th><b>SEE</b></th><th><b>SHE 70:30</b></th><th><b>SHE 50:50</b></th></tr></tbody><tbody><tr><th>0</th><td>18.20 A</td><td>18.20 A</td><td>18.20 A</td><td>18.20 A</td><td>18.20 A</td><td>18.20 A</td><td>18.20 A</td><td>18.20 A</td></tr><tr><th>250</th><td>15.10 B</td><td>13.60 B</td><td>9.95 B</td><td>7.30 B</td><td>10.60 B</td><td>13.30 B</td><td>12.90 B</td><td>14.20 B</td></tr><tr><th>500</th><td>19.61 A</td><td>12.20 B</td><td>8.18 B</td><td>9.60 B</td><td>9.65 B</td><td>12.20 B</td><td>8.41 C</td><td>9.79 C</td></tr><tr><th>1000</th><td>11.75 C</td><td>7.70 C</td><td>7.61 B</td><td>9.94 B</td><td>9.40 B</td><td>8.04 C</td><td>8.10 C</td><td>9.68 C</td></tr></tbody></table><p>Means followed by the same letter in the column do not differ from each other by the Tukey test at 5% probability. Leaf Aqueous Extract (LAE), Leaf Ethanolic Extract (LEE), Leaf Hydroalcoholic Extract 70:30 (LHE 70:30), Leaf Hydroalcoholic Extract 50:50 (LHE 50:50), Stem aqueous extract (SAE), Stem ethanolic extract (SEE), Stem hydroalcoholic extract 70:30 (SHE 70:30), and Stem hydroalcoholic extract 50:50 (SHE 50:50).</p>
Table 1 in Phytotoxic activity of extracts obtained from cagaita (Eugenia dysenterica DC. - Myrtaceae) on the growth of black-jack (Bidens pilosa L.)
<p><b>Table 1</b>. Effect of different leaf and stem bark extracts of <i>Eugenia dysenterica</i> DC. on the germination percentage (G%) of <i>Bidens pilosa</i> L. seeds.</p><table><tbody><tr><th><b>Concentration (<b>mgL-</b> 1<b>)</b></b></th><th><b>LAE</b></th><th><b>LEE</b></th><th><b>LHE 70:30</b></th><th><b>LHE 50:50</b></th><th><b>SAE</b></th><th><b>SEE</b></th><th><b>SHE 70:30</b></th><th><b>SHE 50:50</b></th></tr></tbody><tbody><tr><th>0</th><td>64.00 A</td><td>64.00 A</td><td>64.00 A</td><td>64.00 A</td><td>64.00 A</td><td>64.00 A</td><td>64.00 A</td><td>64.00 A</td></tr><tr><th>250</th><td>59.84 A</td><td>59.14 A</td><td>60.33 A</td><td>59.35 A</td><td>59.18 A</td><td>58.81 A</td><td>58.16 A</td><td>59.11 A</td></tr><tr><th>500</th><td>57.48 A</td><td>59.76 A</td><td>41.56 B</td><td>42.00 B</td><td>57.00 A</td><td>57.25 A</td><td>48.16 B</td><td>42.48 B</td></tr><tr><th>1000</th><td>58.75 A</td><td>57.70 A</td><td>40.18 B</td><td>41.14 B</td><td>59.40 A</td><td>58.14 A</td><td>42.12 B</td><td>41.18 B</td></tr></tbody></table><p>Means followed by the same letter in the column do not differ from each other by the Tukey test at 5% probability. Leaf Aqueous Extract (LAE), Leaf Ethanolic Extract (LEE), Leaf Hydroalcoholic Extract 70:30 (LHE 70:30), Leaf Hydroalcoholic Extract 50:50 (LHE 50:50), Stem aqueous extract (SAE), Stem ethanolic extract (SEE), Stem hydroalcoholic extract 70:30 (SHE 70:30), and Stem hydroalcoholic extract 50:50 (SHE 50:50).</p>
QTL mapping and marker development for tolerance to sulfur phytotoxicity in melon (Cucumis Melo)
<p><span>Elemental sulfur is an effective, inexpensive fungicide for many foliar pathogens, but severe phytotoxicity prohibits its use on many melon varieties. Sulfur phytotoxicity causes chlorosis and necrosis of leaf tissue, leading to plant death in the most sensitive lines, while other varieties have little to no damage. A high-density, genotyping-by-sequencing (GBS)-based genetic map of a recombinant inbred line (RIL) population segregating for sulfur tolerance was used for a quantitative trait loci (QTL) mapping study of sulfur phytotoxicity in melon. One major (qSulf-1) and two minor (qSulf-8 and qSulf-12) QTL were associated with sulfur tolerance in the population. <a name="_Hlk40443716">The development of Kompetitive Allele-Specific PCR (KASP) markers developed across qSulf-1 decreased the QTL interval from 239 kb (cotyledons) and 157 kb (leaves) to 97 kb (both tissues). </a>The markers were validated for linkage to sulfur tolerance in a set of melon cultivars. These KASP markers can be incorporated into melon breeding programs for introgression of sulfur tolerance into elite melon germplasm.</span></p> <p> </p> <p> </p>
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