Question

Explain the role of tapetum in the formation of pollen-grain wall. ​

Answer 1

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The tapetum is the innermost layer of anther wall and surrounds the sporogenous tissue. It plays an important role in pollen development, namely nourishment of micro-spores and formation of exine. At the final stages of pollen maturation, the tapetal products take part in the deposition of tryphine and pollenkitt.

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Answer 2

Answer:

The tapetum is the inner most layer of the microspongial wall with secretes precursors of sporopollien which in turn from sporopollien as well as provides nutrition tips the developing pollen grain.