الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
I NTRODUC’1’ ION
Greenhouse plants, mainly the production of
foliage plants bas grown steadily oll over the world.
The great demand for foliage plants for ornamentation
and decoration purposes 1n homes, ai:Jartmcnts, hotels
business offices, shopping malls, airports, hospitols
and other buildings continues to increase rapidly.
Growth and development plant, lTI g-:oncral
are controlled by many factors of which the importance
of nutrition and hormones. tvlany of plant invest iga -
tions are mainly co:~cerned with them. Only a l iini tcti
amount of J_ iterature could be obtained concerning
the grechouse p.._ants as well as foliar I-crt.ilizatrion
and growth rcgulZ~tors are reviewed up till now.
’l’wo popular foliage plants were chosen for this
work; l. c. croton plants Codiaeum varieg_atllJit pictuw
cv. Norma. Euphorbiact il’’• It
lS l’’- t’ryrccn sburbs natives to Mala)iO And
lO:olands, leaves alternat-e 1.11 i ck, .
glabrou.s, v;ith ~’lightl1 miJkly julce, ovate tc lint-_’al
and marked with vaJ-lOUS coloors.
V.’;llcn :JC_’lung to I’air