Re: can you tell me about naphthylacetic acid and indolybutyric acid.

Naphthylacetic acid and indolybutyric acid are both members of a family of chemicals refered to as auxin mimics. They mimic the effects of the naturally occuring auxin, indoleacetic acid. Auxins are chemicals produced in the plant which effect plant development such as shoot growth, root growth and bud initiation. Naphthylacetic acid and indolybutyric acid are primarily used to stimulate root formation of plant cuttings. Napthylacetic acid is also used to prevent premature flower and fruit drop on fruit trees. Web sites that may be of interest are:

http://202.44.194.10/ contest/wattana/auxin.htm

(this site has further information on plant hormones including auxins)

http://www.embl-heidelberg.de/ExternalInfo/wade/pub/data/auxin_data/ tab_1.html

(this web site has chemical structures of many different auxins)