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Agricultural Science Digest, volume 21 issue 1 (march 2001) : 69 - 70

ALLELOPATHIOffFECTS OF AGERATUM CONYZOIDES AND CALOTROPIS GlGANTEA ON GERMINATION 'AND SEEDUNG VIGOUR OF RICE

P. Oudhia, R.S. Tripathi

Affiliations

¹Deparbnent of Agronomy, Indira Gandhi Agricultural Ul1iversity,Raipur-492 001, India.

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Cite article:- Oudhia P., Tripathi R.S. (2025). ALLELOPATHIOffFECTS OF AGERATUM CONYZOIDES AND CALOTROPIS GlGANTEA ON GERMINATION 'AND SEEDUNG VIGOUR OF RICE. Agricultural Science Digest. 21(1): 69 - 70. doi: .

ABSTRACT

Allelopattrlc effects of Ageratum conyzoides and Calofropis gigantea on germination and seedling vigour pf rice were investigated. The aqueous extracts of root, stem, leaf and stem+leaf of these weeds were used for study. The extracts of different parts of these weeds produced significant effects on germiantion and seedling vigour or rice. Agreatum leaf extract identified as a promising extract and produced maximum root and shoot elongation without affecting the germination of rice seeds.

KEYWORDS

REFERENCES

Oudhla, P. and Tripathl, R.S. (1997). World Weeds. 4: 109-119.
Oudhla, P. etaJ. (1995). WeedNews. 2 (1&2): 15-18.
Oudhla, P. et aJ. (1998a). Oryza. 35(2): 175-177.
Oudhla, P. et aJ. (1998b). In: National Seminar on Rice Research for 21st Century-Challanges, Priorities and Strategies (Abstract) CRRI, Cuttack, India. , ..
Oudhla, P.et aJ. (1998c).1n: International Congress on Allelopathy in Ecological Agriculture and Forestry (Abstract) .
Indian Society of AIleIopathy, UAS, Dharwad, India. ,
. Rastogi, R.P. and Mehrotra, B.M. (1991) Compendium of Indian Mediciriat Plants. Cental Drug Research Institute, . 'Lucknow p 125.

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ALLELOPATHIOffFECTS OF AGERATUM CONYZOIDES AND CALOTROPIS GlGANTEA ON GERMINATION 'AND SEEDUNG VIGOUR OF RICE

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