Confusion

Bob Vickery vickery at mpx.com.au
Fri Feb 25 00:54:28 EST 2000


In article <890omi$c51$1 at newsg4.svr.pol.co.uk>,
"lawrence at lmli.freeserve.co.uk" <lawrence at lmli.freeserve.co.uk. wrote:

>After referring to different textbooks and other sources, I found that some
>of them says GA inhibit root growth, but the other says it promotes it. 

It would be safer to say that nobody knows how the growth of roots is
controlled.

>Do both IAA and GA causes parthecarpy?
>
Yes (parthenocarpy).  In different fruit.  GA4 and GA7 for apple fruit and
auxins for tomatoes at the right times and stages of growth.

Cheers






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