Determination of allelopathic potentials in plant species in Sino-Japanese floristic region by sandwich method and dish pack method

Appiah, Kwame Sarpong; Li, Zhenhao; Zeng, Rensen; Luo, Shiming; Oikawa, Yosei; Fujii, Yoshiharu

doi:10.14419/ijbas.v4i4.5147

Cited by 20 publications

(25 citation statements)

References 47 publications

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“…The sandwich bioassay has been used [33,35,44,[61][62][63] to screen a lot of plants and is effective in determining allelopathic activities by plant litter under laboratory conditions. The sandwich bioassay is widely used, reliable, and less time-consuming method for screening allelopathic activity from leaf litter [61].…”

Section: Sandwich Bioassaymentioning

confidence: 99%

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Exploring Alternative Use of Medicinal Plants for Sustainable Weed Management

et al. 2017

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This paper presents the first application of ethnobotanical studies to screen for allelopathic species among medicinal plants for sustainable weed management. This study assesses the possible relationship between ethnobotanical indices and allelopathy of medicinal plants. Ethnobotanical data were collected in 2016 by using semi-structured interviews with 140 informants in the Ejisu-Juaben Municipality, Ghana. Data were analysed using statistical tool and ethnobotanical indices including use value (UV), Fidelity Level (FL), Relative Frequency of Citation (RFC). The Sandwich and Dish pack methods were respectively used to evaluate allelopathy through leachates and volatiles of collected samples. Ninety-five species belonging to 43 families are reported in this study, with leaves (52%) cited the most utilised plant part. Cleistopholis patens (UV = 0.54; FL = 90.7%; RFC = 0.37) and Ocimum gratissimum (UV = 0.37; FL = 38.4%; RFC = 0.35) were among the most cited species. Thirty-two species showed inhibition (≥49.3%) by leachates, while twenty-four species were found with potential volatile inhibitory compounds against lettuce radicle growth. There was a significant positive correlation (Pearson) between the UV and RFC of medicinal plants and allelopathy by leaf leachates (r = 0.639 **; p = 0.01 and r = 0.653 **; p = 0.01 respectively). This systematic documentation of medicinal plants in Ejisu-Juaben Municipality shows medicinal plants with ethnomedicinal values and potential allelopathy that can be utilised in sustainable weed control.

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Section: Sandwich Bioassaymentioning

confidence: 99%

“…This method is widely used [35,43,44,65] due to the rapid and efficient way it determines the presence of volatile allelochemicals in plants. The Dish-pack bioassay was used to evaluate the potential volatile allelopathy of the collected medicinal plants.…”

Section: Dish Pack Bioassaymentioning

confidence: 99%

Exploring Alternative Use of Medicinal Plants for Sustainable Weed Management

et al. 2017

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“…The dish pack (DP) method [29] is a reliable and established bioassay for detecting the presence of volatile allelochemicals. This method was adopted [29][30][31][32][33] for the evaluation of a large number of plant samples, to identify volatile allelopathic plants. For this study, the DP method was adopted to evaluate the volatile allelopathic potential of 103 plant samples (March-June 2018).…”

Section: Dish Pack (Dp) Methodsmentioning

confidence: 99%

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

et al. 2019

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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.Agronomy 2020, 10, 49 2 of 16 cyclones, extreme temperature increase, flooding, and drought could reduce rice and wheat production by 8% and 32%, respectively, when compared to yield in the 1990s [2].In recent years, improved and health-conscious crop protection technologies, coupled with high food demand with limited arable land, have become an indispensable concern in Bangladesh. Protection of field crops from weeds, diseases, and other crop pests are part of the critical factors for sustainable crop production. Weed management strategy plays a vital role and directly influences food security and productivity worldwide. Studies in 2006 and 2015 reported that about 34% of yield loss occurred due to the interference of weeds compared to other pests [3,4]. Rice is the major food in Bangladesh and mostly cultivated all over the country [5]. Mamun [6] reported that weeds reduced the yield of rice productivity in the range of 68%-100% for Aus rice, 16%-48% in Aman rice, and 22%-36% in Boro rice. Weeds compete directly with the crops for space, nutrition, light, and moisture. Hence, the physiological activity and growth of crop plants are significantly affected by weed interference [4,7].In managing weed interference, the extensive use of synthetic herbicides have led to the emergence of herbicide resistant/tolerant weeds [8]. Currently, there are about 256 weed species that have developed resistance to different herbicide sites of action [9]. Consequently, there is the need to diversify the herbicide application practices or identify new herbicide sites of action. The natural process of releasing bioactive secondary metabolites from organisms (plants, microbes, insects, fungus, algae), and the subsequent interaction with another orga...

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“…The dish pack experiment was conducted to determine the effect of volatile materials from the leaves of the donor plant on the receptor plant (adopted from Appiah et al 2015;Fujii et al 2005). The weed leaf samples were cut approximately to 3.0 mm 2 to enhance the release of volatile compounds.…”

Section: Dish Pack Methodsmentioning

confidence: 99%