Long Answer Type2. Die back: It is the withering of stem from apex downward. It is due to the deficiency of copper.
3. Necrosis : It is the death of the tissues. The leaf tips develop dead areas or necrotic areas. It may be also due to Ca, Mg, Ni, Cu and K.
4. Whiptail disease : It occurs in cauliflower. It is due to the deficiency of Mo.
5. Little leaf disease: It is due to the deficiency of Zn. It also causes rosette of apple and peaches.
Short Answer TypeLong Answer TypeWhy is that in certain plants deficiency symptoms appear first in younger parts of the plant while in others they do so in mature organs?
Short Answer TypeLong Answer TypeShort Answer TypeWhich of the following statements are true? If false, correct them.
1. Boron deficiency leads to stout axis.
2. Every mineral element that is present in the cell is needed by cell.
3. Nitrogen as a nutrient is highly immobile in the plants.
4. It is very easy to establish the essentiality of micronutrients, because they are required in traces.
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