EFFECT OF EXOGENOUS APPLICATION OF CITRIC ACID ON GROWTH OF MAIZE (ZEA MAYS L.) UNDER SODIUM FLUORIDE STRESS

Accumulation of high amount of fluoride in the soil alters the metabolism of plants and reduces their growth. [...]an experiment was conducted to understand the effects of sodium fluoride (NaF) on the plant growth and the amelioration of its toxic effects by the application of citric acid on the two...

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Bibliographic Details
Published inFluoride Vol. 56; no. 4; pp. 329 - 350
Main Authors Aslam, Asma, Nawaz, Hummera, Khan, Ameer, Ghaffar, Rabia, Abbas, Ghulam
Format Journal Article
LanguageEnglish
Published Dunedin International Society for Fluoride Research, Inc 01.10.2023
Subjects
Abiotic stress
Carotenoids
Chlorophyll
Corn
Crops
Cultivars
Drinking water
Enzymes
Fluorides
Leaves
Loam soils
Morphology
Physiology
Salinity
Salt
Seeds
Sodium
Toxicity
Japan
Pakistan
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Summary:Accumulation of high amount of fluoride in the soil alters the metabolism of plants and reduces their growth. [...]an experiment was conducted to understand the effects of sodium fluoride (NaF) on the plant growth and the amelioration of its toxic effects by the application of citric acid on the two cultivars of maize, Pak Afgoi (salt tolerant) and Pearl (salt sensitive). In maize plant, it also affects the amino acid content Anions organic acids have at least one group of (COOH or COO") carboxylase, from fatty acids to secondary metabolites [10]. Growth Attributes a) Shoot Length and Leaf Area Shoot length was measured from each treatment. Using flexible inch tape, shoot length was measured from base to the end of the leaf tip and leaf area was measured according to the formula presented by [14] with a correction factor of 0.75 for the length and width of the leaf. b) Leaf area equation Leaf Area (LA) = (L x W) 0.75 W= Width of leaf (cm) L= Length of leaf (cm) c) Fresh and Dry Shoot Weight From each treatment, new plants were collected from pots and tap water used to wash and remove the dust particles and measure the fresh shoot weight on electrical weight balance and for dry weight, fresh shoots under room temperature were dried for two weeks in shade.
ISSN:0015-4725
2253-4083