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Open AccessArticle

Evaluation of Potential Volatile Allelopathic Plants from Bangladesh, with Sapindus mukorossi as a Candidate Species

1
Department of Biological Production Science, United Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwaicho, Fuchu, Tokyo 183-8509, Japan
2
Department of Environmental Science, Jahangirnagar University, Savar, Dhaka 1342, Bangladesh
3
Fruit Science Laboratory, Department of Biological Resource Science, Graduate School of Agriculture, Saga University, Saga 840-0027, Japan
*
Author to whom correspondence should be addressed.
Agronomy 2020, 10(1), 49; https://doi.org/10.3390/agronomy10010049
Received: 11 December 2019 / Revised: 20 December 2019 / Accepted: 24 December 2019 / Published: 29 December 2019
(This article belongs to the Special Issue Ecologically Sustainable Weed Management in Cropping Systems)
This study focuses on identifying volatile emissions from plants with potential plant growth inhibitory activity. The aim of this study was to evaluate plant species from the Asian country Bangladesh for new, potential volatile allelopathic species. A total of 103 plant samples from 40 different families were assessed with the dish pack (DP) method. About 25% of the evaluated plant samples influenced (inhibited or stimulated) the growth of lettuce, due to the presence of potentially volatile allelochemicals. The pericarp of Sapindus mukorossi Gaertn. caused the lowest radicle elongation (3% of control) of the lettuce. This was followed by the leaves of Cassia nodosa Roxb. (34.4%) and the root of Kaempferia galangal L. (43.4%), in that order. Therefore, the pericarp of S. mukorossi is reported from this study as a new potential volatile allelopathic species. On the contrary, the leaves of Gynostemma pentaphyllum Thunb. had a stimulatory effect on the hypocotyl elongation of lettuce seedlings (156% of control). The single petri dish (SPD), a new method, was also adapted to justify the potentiality of the growth control of particular allelopathic species. This study revealed that the new potentially volatile allelopathic plant species could be further explored in sustainable weed management. View Full-Text
Keywords: Sapindus mukorossi Gaertn.; dish pack method; single petri dish method; volatile allelopathy; weed management; sustainability Sapindus mukorossi Gaertn.; dish pack method; single petri dish method; volatile allelopathy; weed management; sustainability
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Begum, K.; Shammi, M.; Hasan, N.; Appiah, K.S.; Fujii, Y. Evaluation of Potential Volatile Allelopathic Plants from Bangladesh, with Sapindus mukorossi as a Candidate Species. Agronomy 2020, 10, 49.

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