2021
DOI: 10.5586/aa.741
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Allelopathic Effect of Lamiaceous Weeds on Seed Germination and Early Growth of Aromatic Rice (Oryza sativa ‘Gobindobhog’)

Abstract: The present study reveals the allelopathic effect of aqueous leaf and root extracts of Hyptis suaveolens (L.) Poit. and Leucas cephalotes (Roth) Spreng. on seed germination and early growth of Oryza sativa ‘Gobindobhog.’ Leaf and root extracts at different concentrations (0.5%, 1%, 2.5%, 4%, and 5%) were used to study the effect in laboratory-based experiments. After 5 days of incubation, seed germination and root and shoot length of rice seedlings were measured, and both H. suaveol… Show more

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Cited by 7 publications
(3 citation statements)
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“…Such an inhibitory impact by this weed's leaf extract has been reported on seed germination of other crops e.g. Oryza sativa by Oraon and Mondal (2021). In fact, the germination of plant seeds constitutes a primary step towards the growth and development of many plant species, thus, the result in the present study, highlights the importance of allelopathic activity (Gorai et al The lentil growth and its yield signi cantly declined with increasing dose (H1-H8) of Hyptis PLB added to the soil.…”
Section: Discussionsupporting
confidence: 55%
See 1 more Smart Citation
“…Such an inhibitory impact by this weed's leaf extract has been reported on seed germination of other crops e.g. Oryza sativa by Oraon and Mondal (2021). In fact, the germination of plant seeds constitutes a primary step towards the growth and development of many plant species, thus, the result in the present study, highlights the importance of allelopathic activity (Gorai et al The lentil growth and its yield signi cantly declined with increasing dose (H1-H8) of Hyptis PLB added to the soil.…”
Section: Discussionsupporting
confidence: 55%
“…Its allelopathic potential can be attributed to chemical nature of the compounds released in soils that may concomitantly impact the survival of a plant species or the plant communities in vicinity. Although a considerable research has been carried out pertaining to the allelopathic in uence of this weed on seed germination and seedling growth of several crops (Rodrigues et Oraon and Mondal 2021), little is known about its impact on growth, yield and biochemical status of legume crops, particularly lentil (Lens culinaris) in Indian dry-topical conditions, which is one of the most important protein-rich legume crops, generally sown in winter season in India (Ram and Punia 2018;Saikenova et al 2021). The investigation on impact of this aggressively advancing Hyptis suaveolens on lentil crop assumes immense importance in India and the world, as the total cultivated area of lentil in the world is estimated around 6.10 million ha with annual production and yield of 6.33 million tonnes and 1038 kg/ha, respectively (FAOSTAT 2019).…”
Section: Introductionmentioning
confidence: 99%
“…Likewise, for the aerial parts of the target plant seedlings, the relative shoot lengths (RStL (%)) did not exceed 6.4 � 3.0 % compared to those of the control (Figure 3). In addition, concerning the vigor index (Vi), [62] samples REO, R 1 , R 2 and R 3 at concentrations of 2000 ppm showed significant inhibitory effects (Vi = 1.4 � 1.0, 6.0 � 4.1, 1.1 � 1.4 and 0, respectively; (Table 3). The Vi value for the control tests was 599.9 � 18.3.…”
Section: Phytotoxic Aactivitymentioning
confidence: 99%