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Question
Exposure of plants to high fluoride concentration results in necrosis or chlorosis characteristically in
Exposure of plants to high fluoride concentration results in necrosis or chlorosis characteristically in
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Solution
The correct option is C Leaf tip and leaf margins
In dicotyledonous broad leaves, the initial symptom of fluoride effects on leaves is usually chlorosis of the tip, which later extends downward along the margins and inward toward the midrib. This chlorosis becomes more intense and extensive with prolonged exposure until the midrib and some veins appear as a green arborescent pattern on a chlorotic background. Continued exposure may lead to the tip becoming necrotic and falling off, leaving the leaf notched.
In dicotyledonous broad leaves, the initial symptom of fluoride effects on leaves is usually chlorosis of the tip, which later extends downward along the margins and inward toward the midrib. This chlorosis becomes more intense and extensive with prolonged exposure until the midrib and some veins appear as a green arborescent pattern on a chlorotic background. Continued exposure may lead to the tip becoming necrotic and falling off, leaving the leaf notched.
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