Allelopathic Effect of Extract of Mikania micrantha on Seed Germination and Seedling Growth of Melia azedarach


Liza K. C and Ram Asheshwar Mandal


Full Length Research Paper I Published October,2017


Journal of Physical Science and Environmental Studies Vol. 3 (5), pp. 52-57


Mikania micrantha is a high threat to the natural food of mega fauna in conservation areas so an appropriate management option is essential. This research aimed to find allelochemicals effects of M. micrantha on seed germination and seedling growth of Melia azedarach. The leaves of M. micrantha and seeds of M. azedarach were obtained from Chitwan, Nepal. The chemical of M. micrantha was extracted in laboratory. Altogether 120 poly pots were used to assess germination percentage and growth of M. azedarach. The solutions of chemical and water in different proportion specifically control, 75:25, 50:50 and 25:75 were prepared and applied to treat the seeds. After sowing treated seeds in poly pots, germination percentage was estimated and seedling growth of M. azedarach was measured. The results showed that, germination percentage was high nearly 43.34%, the highest cumulative base diameter of M. azedarach was recorded about 1.55 ±0.03 cm cm and cumulative height was about 14.44±0.40 cm in use of 75:25 solution but it was the highest number of leaves of seedling in application of 25:75. The repeated measure ANOVA showed there was significant difference in growth of base diameter at 95% confidence level. The use of chemical extract of M. micrantha can be a good management option.

Key words:
Invasive species, Allelochemicals, Germination percentage and Growth.

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