Accumulation of amino acids, proline, and carbohydrates in response to aluminum and manganese stress in maize

Khan, Asif Ali; McNeilly, T.; Collins, J. C.

doi:10.1080/01904160009382101

Cited by 68 publications

(41 citation statements)

References 16 publications

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“…In our case, the proline content was not markedly altered in seedlings exposed to Al excess. This is in contrast to several works which confirmed the Al effect on enhanced proline accumulation (Khan et al 2000;Giannakoula et al 2008). It seems that the proline accumulation is associated with Al-induced changes in the plant water regime (Barcelo, Poschenrieder 2002).…”

Section: Discussioncontrasting

confidence: 54%

Drought and aluminium as stress factors in Norway spruce (Picea abies) seedlings

Slugeňová¹,

Ditmarová²,

Kurjak³

et al. 2011

J. For. Sci.

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Effects of drought, Al and their possible interaction on physiological characteristics were studied in four-years-old Norway spruce seedlings in a pot experiment. Drought stress was imposed by withholding irrigation. Al was applied to the soil as an AlCl 3 solution at a concentration of 1,500 μmol·l -1 . Water deficit caused a decrease in needle water potential, net photosynthetic rate (P n ) and an increase in proline accumulation. On the other hand, water potential, P n and proline concentration in seedlings subjected to Al remained unchanged. During the experiment, no significant variation was registered in the chlorophyll a fluorescence parameters. Chlorophyll content was significantly reduced in the Al presence. Drought led to a lower Al accumulation in needles in comparison with well-watered seedlings. Progressive dehydration influenced the physiological state of spruce seedlings. The presence of Al in soil did not cause any negative changes in the physiological parameters under an optimal water regime. By contrast, the synergic effect of drought and Al induced the most marked changes in measured characteristics, which may indicate a possible enhanced impact of drought and Al interaction in comparison with the single effect of these stress factors.

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Section: Discussioncontrasting

confidence: 54%

Drought and aluminium as stress factors in Norway spruce (Picea abies) seedlings

Slugeňová¹,

Ditmarová²,

Kurjak³

et al. 2011

J. For. Sci.

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“…The extract was then filtered and diluted with 80% (v/v) ethanol up to 20 mL (Khan et al 2000). The shoot-leaf concentrations of free proline and carbohydrates were determined in this extract following the acid ninhydrin reagent method and the anthrone method, respectively (Khan et al 2000;Plummer 1978). …”

Section: Gas Exchange Measurementsmentioning

confidence: 99%

Effect of water stress and NaCl triggered changes on yield, physiology, biochemistry of broad bean (Vicia faba) plants and on quality of harvested pods

Ouzounidou¹,

Ilias

Γιαννακούλα

et al. 2014

Biologia

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Salinity and drought are the most important abiotic stresses affecting crop yield. Broad bean was chosen as model plant for assessing the impact of salt stress and its interaction with drought in the field experiments. The factors examined in the experiments were the two irrigation rates (normal watering -NW with 3 L plant −1 and drought -D) and three salinity rates imposed by foliar application (0, 50, 100 mg L −1 NaCl). Highest NaCl level with normal water irrigation caused maximum reduction in plant height and production, which it was due to photosynthetic disturbances. Salt injuries were alleviated by increasing water stress. The control plants exposed to NaCl lost their ability over water control. The increased malondialdehyde (MDA) and H2O2 indicate the prevalence of oxidative stress due to salinity. The levels of proline and carbohydrates were higher under salinity alone than under simultaneous exposure to drought and NaCl. The protein concentration of immature and mature broad bean pods was more inhibited more by NaCl supply than by drought alone. The combination of drought and NaCl resulted in a significant increase in proteins, glucose, fructose and sucrose content. Overall, the ameliorative effect of drought under NaCl supply was quantified.

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“…In each tube, 10 ml of 80% (v/v) ethanol was added and placed in a water bath of 60 oC for 30 min (Khan et al 2000). The tubes were covered with aluminum foil to reduce evaporation.…”

Section: Methodsmentioning

confidence: 99%

Mineral Strength, Sucrose Level and Mannitol Concentration Effects on Cherry Rootstocks Micropropagation

Sarropoulou¹,

Dimassi-Theriou²,

Therios³

2016

AgricultForest

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Accumulation of amino acids, proline, and carbohydrates in response to aluminum and manganese stress in maize

Cited by 68 publications

References 16 publications

Drought and aluminium as stress factors in Norway spruce (Picea abies) seedlings

Drought and aluminium as stress factors in Norway spruce (Picea abies) seedlings

Effect of water stress and NaCl triggered changes on yield, physiology, biochemistry of broad bean (Vicia faba) plants and on quality of harvested pods

Mineral Strength, Sucrose Level and Mannitol Concentration Effects on Cherry Rootstocks Micropropagation

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