Name at least five different deficiency symptoms in plants. Describe them and correlate them with concerned mineral deficiency.

1. Chlorosis : It is the yellowing of leaves due to the loss of chlorophyll. It is due to the deficiency of Mn, N, K, Mg, S, Fe, Zn, and Mo.

2. 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.

402 Views

All elements that are present in plant need not be essential to its survival. Comment.

What are the conditions necessary for fixation of atmospheric N₂ by Rhizobium ? What is their role in N₂ fixation.

If a plant shows a symptom which could develop due to the deficiency of more than one nutrient how would you find out experimentally, the real deficit mineral?

Why is that in certain plants deficiency symptoms appear first in younger parts of the plant while in others they do so in mature organs?

Mineral Nutrition

Name at least five different deficiency symptoms in plants. Describe them and correlate them with concerned mineral deficiency.