Science, asked by kavya191002, 4 days ago

How to develop deficiency symptoms in Pot culture studies​

Answers

Answered by sadhikaagarwal45
2

Answer:

Plant nutrition is the study of the chemical elements and compounds necessary for plant growth, plant metabolism and their external supply. In its absence the plant is unable to complete a normal life cycle, or that the element is part of some essential plant constituent or metabolite. This is in accordance with Justus von Liebig’s law of the minimum.[1] The total essential plant nutrients include seventeen different elements: carbon, oxygen and hydrogen which are absorbed from the air, whereas other nutrients including nitrogen are typically obtained from the soil (exceptions include some parasitic or carnivorous plants).

Answered by payalchatterje
0

Answer:

Development process of deficiency symptoms in Pot culture studies:

Deficiency symptoms are first investigated using pot and culture tests. Fast-growing plants that develop characteristic symptoms are used in cultural experiments. They are called test (= indicator) plants. They are then grown in small pots in test soil. Results are compared to identify gaps. Similar experiments are carried out with selected crops.

Nutrient deficiencies can cause a number of symptoms in plants. For example, nitrogen deficiency causes chlorosis and delayed flowering.

Similarly, a nutrient deficiency can cause the same symptom as another nutrient deficiency. For example, necrosis is caused by a deficiency of calcium, magnesium, copper and potassium. It should also be taken into account that different plants react differently to the lack of the same nutrient.

Therefore, in order to identify the lack of nutrients in a plant, it is necessary to study all the symptoms in its various parts and compare them with the existing standard tables.

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