GROWTH REGULATORY ACTIVITIES OF SOME FRUIT LEAVES AND CHEMICAL INVESTIGATIONS ON THE LEAVES OF Dillenia indica
Date
2007-06
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
HAJEE MOHAMMAD DANESH SCIENCE AND TECHNOLOGY UNIVERSITY, DINAJPUR.
Abstract
An experiment was conducted on naturally occurring growth substances in aqueous
extracts of some common fruit plant leaves viz., Mango (T2), Black berry (T3), Jack fruit
(T4), Litchi (Ts), Wood apple (T¢), Indian dillenia (T7), Papaya (Ts) , Banana (To), Guava
(Tio), Olive (T;1) for each vegetable crops such as Country bean, Yard long bean, Okra
and Swamp cabbage with the attempt for chemical investigation on effective leave
extract. The aqueous extracts of Indian dillenia (Dillenia indica) significantly increase
germination of Country bean, Yard long bean bean, Okra and Swamp cabbage seeds
compared with control. The highest germination percentage consequently 100%, 99%,
73% and 60% in Country bean, Yard long bean bean, Swamp cabbage and Okra in seeds
treated with Indian dillenia compared with control. The effect of aqueous extract of
Indian dillenia (Dillenia indica) showed the positive regulatory effect, i.e., increased
growth of root and shoots length of Country bean, Yard long bean, Okra and Swamp
cabbage seedlings.
The Thin Layer Chromatography (TLC) examination of chloroform extracts of Indian
dillenia (Dillenia indica) was showed four distinct compounds at Hexane: Ethylacetate
(9:1, v/v,). Crude compounds were purified and isolated by column chromatography.
One of them initially was indicated steroid type compound by Liberman-Berchand
reaction. 'H-NMR and IR study were indicated that the fractions were probably steroid
and triterpinoid types compounds which were discussed in details in result and
discussion.
Description
There are different types of plants such as, fruit trees, herbal plants, narcotic crops,
flower plants, weeds, etc. Different types of naturally occurring organic and
bioorganic compounds have been isolated from them. Most of them have effective
medicinal, insecticidal, pesticidal or toxic value. Plants are the richest source of
renewable bio-active organic chemicals. The total number of plant chemicals may
exceed 400,000 out of these chemicals, secondary metabolites play a major role in
the plants applied in agricultural field. Plant origined pesticides are generally safer
than huse of conventionally used synthetic ones and in certain cases completely safe.
For example, neemas a pesticidal plants, have been in the nature for million of years
without any ill or adverse effect on ecosystem. In near future, biopesticides like
neem are expected to be cheaper than the syntheticcountreparparts.Therefore,the
poor and margin.
Keywords
SOME FRUIT LEAVES AND CHEMICAL INVESTIGATIONS, Selection and collection of fruit leaves, Seed setup for the investigation of vegetable crops