Identification of Plant Hormones from Cotton Ovules

Shindy, Wasfy W.; Smith, O. E.

doi:10.1104/pp.55.3.550

Cited by 162 publications

(85 citation statements)

References 20 publications

(30 reference statements)

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“…For estimation of growth regulators, 3-5 g fresh samples of the youngest fully expanded leaf were frozen in liquid nitrogen and stored at -80°C until analysis. The method of extraction in ethanol and the fraction of the ethanol extract were carried out according to the method described by Shindy and Smith (1975). The acidic fraction contained the acidic hormones (IAA, GA 3 and ABA) while the aqueous fraction comprised the cytokinin.…”

Section: Assay Of Plant Hormonesmentioning

confidence: 99%

Nitric Oxide Increases Pb Tolerance by Lowering Pb Uptake and Translocation as well as Phytohormonal Changes in Cowpea (Vigna unguiculata (L.) Walp.)

Sadeghipour¹

2017

JSM

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Section: Assay Of Plant Hormonesmentioning

confidence: 99%

Nitric Oxide Increases Pb Tolerance by Lowering Pb Uptake and Translocation as well as Phytohormonal Changes in Cowpea (Vigna unguiculata (L.) Walp.)

Sadeghipour¹

2017

JSM

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“…The fraction of the ethanol extract was carried out according to the method described by Wasfy et al (1974). The Acidic fraction contain the acidic hormones (IAA, GA, and ABA) while the aqueous fraction comprised the cytokinins.…”

Section: Hormonal Analysismentioning

confidence: 99%

Effect of Moringa olifera Leaf Extract on Growth and Productivity of Three Cereal Forages

Abusuwar¹,

Abohassan²

2017

JAS

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Moringa olifera leaf extract at different concentrations were used to evaluate their effects on three cereal forages (Sorghum bicolor L. Moench, Penisetum typhoideum Rich and Sorghum Sudanese) grown under stress environment of soil and water salinity in an arid environment. Three independent experiments carried out at King Abdulaziz University Experimental Station, Makkah province during 2015 and 2016. Treatments consisted of four concentrations of Moringa olifera leaf extract: (C1 = 1 ml of juice + 10 ml of distilled water ,C2 = 1 ml of juice + 20 ml of distilled water, C3 = 1 ml of juice + 30 ml of distilled water and C4 = 1 ml of juice + 40 ml of distilled water in addition to distilled water alone as a control). Results showed that the higher concentration C1 contained the highest amount of inorganic elements and growth hormones compared to other concentrations. This in turn reflected in significant higher growth and forage yields of the three forage crops tested. Significant increases in growth and forage yields in both seasons reported for the higher concentration C1 compared to others. Fresh and dry forage yields of Millet, during 2016, increased by the higher concentration over the control treatment by 17.67 and 4.87%, respectively. Results indicated the effectiveness of Moringa leaf extract in improving growth and increasing productivity of cereal forages under harsh environment of salinity and aridity.

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“…Endogenous ABA level was estimated using Gas-Liquid Chromatography according to Shindy & Smith (1975).…”

Section: Estimation Of Endogenous Aba Levelsmentioning

confidence: 99%

Study of the Interactive Effects of Calcium and Abscisic Acid on Drought Stressed Triticum aestivum Seedlings

Sewelam

2017

Egypt. J. Bot.

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IN THEIR natural habitats, plants are continuously subjected to many severe environmental challenges including drought. In this study, the effects of drought on Triticum aestivum seedlings were assessed, and the alleviating roles and interactive effects of calcium (Ca 2+ ) and abscisic acid (ABA) to drought stress were studied. The results showed that pretreating wheat seedlings with calcium chloride (CaCl 2 ) or ABA led to alleviating most of the negative effects of 20% polyethylene glycol (PEG, as a drought imposing agent). Ca 2+ improved the growth criteria, photosynthetic activity, but ABA had no significant effects on growth parameters. Ca 2+ or ABA pretreatments have alleviated the toxic effects of the drought-induced oxidative stress which was marked with the reduction of MDA content. Ca 2+ and/or ABA reduced the PEGinduced catalase activity, and ascorbic acid content. The use of lanthanum chloride (LaCl 3 ) as a calcium channel blocker has confirmed the role of Ca 2+ in ameliorating the drought effects on plant. This study revealed that the application of Ca 2+ has increased the endogenous ABA level of the treated seedlings to a high extent exceeding that of PEG treatment itself suggesting that ABA requires Ca 2+ ions for its induction, and ABA is working downstream from Ca 2+ in the relevant signaling pathways activated by drought stress. The alleviating effects of Ca 2+ was prolonged to the yield stage. Overall, our results suggest that Ca 2+ (10 mM), and with a less extend ABA (0.1 mM), represent signaling agents that can partially alleviate drought stress in plants growing in dry environments.

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Identification of Plant Hormones from Cotton Ovules

Cited by 162 publications

References 20 publications

Nitric Oxide Increases Pb Tolerance by Lowering Pb Uptake and Translocation as well as Phytohormonal Changes in Cowpea (Vigna unguiculata (L.) Walp.)

Nitric Oxide Increases Pb Tolerance by Lowering Pb Uptake and Translocation as well as Phytohormonal Changes in Cowpea (Vigna unguiculata (L.) Walp.)

Effect of Moringa olifera Leaf Extract on Growth and Productivity of Three Cereal Forages

Study of the Interactive Effects of Calcium and Abscisic Acid on Drought Stressed Triticum aestivum Seedlings

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