Allelopathic effects of turmeric leaves (Curcuma longa) extract against jungle rice (Echinochloa colona) / Noor Syaliameera Ramly

Ramly, Noor Syaliameera (2019) Allelopathic effects of turmeric leaves (Curcuma longa) extract against jungle rice (Echinochloa colona) / Noor Syaliameera Ramly. [Student Project] (Unpublished)

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Abstract

Echinochloa colona or jungle rice is an invasive weed species and the type of common weeds of rice in many Asian countries. From the impact of uncontrollable growth of jungle rice has leads to over usage of chemical herbicides that has created certain problems and indirectly contribute to several environmental pollution. Hence, allelochemicals compound has been used as the feasible option in weed control treatment as the alternative of chemical herbicides. Allelopathic plant materials are widely study for their suppressing activity, and also being discovered in turmeric leaf which contained secondary metabolites compound of alkaloid, tannins and polyphenols. The aim of this study is to identify the allelopathic activity of turmeric leaf against jungle rice and the optimum concentration that inhibit the growth of jungle rice weeds. Aqueous extraction of turmeric leaf was used in this study at 5%, 7.5%, 8.5% and 10% concentration. Based on the results of this study, turmeric leaf extracts are able to inhibit the germination and growth of jungle rice optimally at 5% concentration. This study helps to determine and identify the effectiveness of using natural herbicides to treat the jungle rice. For future study, it is suggested to test the effect turmeric leaves extract on the other types of weeds since in this study shows that turmeric leaf positively inhibits the growth of jungle rice weeds which a type of weeds that already build a greater resistance towards a number of chemical herbicides.

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Item Type: Student Project
Creators:
Creators
Email
Ramly, Noor Syaliameera
UNSPECIFIED
Contributors:
Contribution
Name
Email / ID Num.
Thesis advisor
Mohd Zawawi, Ahmad Zaimi
UNSPECIFIED
Subjects: Q Science > Q Science (General) > Study and teaching > Laboratories. General works
Q Science > QD Chemistry > Extraction (Chemistry)
Q Science > QH Natural history - Biology > Life > Growth
Divisions: Universiti Teknologi MARA, Negeri Sembilan > Kuala Pilah Campus > Faculty of Applied Sciences
Programme: Bachelor of Science (Hons.) Biology
Item ID: 43688
Uncontrolled Keywords: Allelopathic effects, turmeric leaves, Curcuma longa, jungle rice, Echinochloa colona
URI: https://ir.uitm.edu.my/id/eprint/43688

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