Comparative Allelopathic Effects of Two Weed Extracts on Seed Germination and Seedling Growth of Vigna unguiculata (L.) Walp. and Abelmoschus esculentus L.

Sanchita Bhattacharya; Shibani Namasudra; Sanjit Debnath; Ajay Krishna Saha

doi:10.14429/dlsj.5.15653

Sanchita Bhattacharya Postgraduate Teacher http://orcid.org/0000-0002-2909-1431
Shibani Namasudra Department of Botany, M.B.B. College, Agartala - 799 004, India
Sanjit Debnath Department of Botany, Tripura University, Suryamaninagar - 799 022, India https://orcid.org/0000-0001-8896-8128
Ajay Krishna Saha Department of Botany, Tripura University, Suryamaninagar - 799 022, India https://orcid.org/0000-0003-4423-8216

DOI: https://doi.org/10.14429/dlsj.5.15653

Keywords: Allelochemicals, Seedling growth, Germination

Abstract

Pot culture experiment and Petri dish bioassay were conducted to assess the allelopathic potential of Cyanthillium cinereum and Lantana camara on seed germination and seedling growth of Vigna unguiculata and Abelmoschus esculentus. Aqueous leaf and stem extracts of weed were used for treatment. The differential inhibitory effect was observed for two weed plants on two tested crops. The experimental results revealed that in case of pot culture experiment, lowest germination percentages (40.8±0.49%, 63.6±0.60% and 83±0.78%) were recorded in L. camara leaf extract treated set of A. esculentus and maximum decrease in seedling length (0.31±0.05 cm, 4.18±0.07 cm, 6.42±0.08 cm and 13.51±0.07 cm) was observed in stem extract treated a set of A. esculentus. L. camara stem and leaf extract induced a more negative effect on seedling length in both A. esculentus and V. unguiculata. For petridish bioassay experiment, lowest germination percentages (54.60±0.40%, 59.20±0.49%, 66.20±0.74% and 69.80±0.38%) were observed in L. camara leaf extract treated a set of A. esculentus. In V. unguiculata, lowest germination percentage (45.8±0.49%, 75.4±0. 40%, 84.4±0.25% and 89±0.32%) was observed in stem extract treated set. Maximum suppressive effect on seedling length was recorded for stem and leaf extract of C. cinereum of A. esculentus and leaf extract of L. camara and stem extract of C. cinereum of V. unguiculata.

Author Biography

Sanchita Bhattacharya, Postgraduate Teacher

Dr. Sanchita Bhattacharya received her BSc and MSc in Botany from M.B.B. College, and Tripura University, Tripura, respectively. She presently works as faculty member at Department of Botany, M.B.B College, Tripura. She completed her PhD from Tripura University, Tripura in 2020. Her research focuses on mycology and plant pathology, microbiology and allelopathy.