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
