PLANT PHYSIOLOGY
MINERAL NUTRITION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Chlorosis of the leaves
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Stunted stems
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Brown or purple leaf edges
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Mottled or spotted discoloration
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Detailed explanation-1: -Answer and Explanation: Leaves that are phosphorus deficient will exhibit purple color in their leaves.
Detailed explanation-2: -Phosphorus deficiency tends to inhibit or prevent shoot growth. Leaves turn dark, dull, blue-green, and may become pale in severe deficiency. Reddish, reddish-violet, or violet color develops from increased anthocyanin synthesis.
Detailed explanation-3: -Phosphorus deficiency Symptoms: Slow growth and dull yellow foliage. Cause: Phosphorus is needed for healthy roots and shoot growth. Soil shortages of phosphorus are rare, but may occur in areas with high rainfall and heavy clay soil. Remedy: Apply fertilisers such as superphosphate or bone meal.
Detailed explanation-4: -Potassium deficiency in plants The most common symptoms of a potassium deficiency are brown or burnt-looking leaf edges and tips, coupled with chlorosis between leaf veins.