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Auxins

Gibberellins

1. Auxin is first introduced by F.W. Went.

1. Gibberellins fist discovered by Kurosawa.

2. The main type of auxins are auxina, auxinb and heteroauxins etc.

2. The main types of gibberellins are GA1, GA2, GA3 And GA4 etc.

3. It is produced in the shoot apex and leaf primordia.

3. Embryos, young leaves and root are main site of production.

4. Function of IAA is to promote growth.

4. Primary function is that it regulates the growth of the stem.

 

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