Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Planting Methods Effect on Weed Dynamics and Weed – Crop Interaction in Finger Millet

Version 1 : Received: 16 July 2022 / Approved: 19 July 2022 / Online: 19 July 2022 (14:17:25 CEST)

How to cite: Bhatta, R.D.; Subedi, R.; Devkota, P.; Upadhyaya, J. Planting Methods Effect on Weed Dynamics and Weed – Crop Interaction in Finger Millet. Preprints 2022, 2022070289 (doi: 10.20944/preprints202207.0289.v1). Bhatta, R.D.; Subedi, R.; Devkota, P.; Upadhyaya, J. Planting Methods Effect on Weed Dynamics and Weed – Crop Interaction in Finger Millet. Preprints 2022, 2022070289 (doi: 10.20944/preprints202207.0289.v1).

Abstract

A field experiment was conducted at farmer field of Sundarbazar, Lamjung during rainy season of 2020 with an objective to determine the dynamics of weed with respect different planting methods and varieties. The experiment was laid out in split plot design with three replications where five Varieties (KabreKodo 1, KabreKodo 2, Dalle 1, Okhale 1 and local) were used as the main plot factor and three planting methods (Direct sowing;10*10cm, Conventional transplanting;10*10 cm with 15 days old seedlings and System of Crop Intensification;25*25 cm with 30 days old seedlings) as sub plot factor. Result showed that among 5 genotypes of weeds based on Importance value index, Cyperusrotundus was the most dominant during the initial stage but after the first weeding, Aegeratumhaustinianum dominated the field. Weed biomass and density was recorded highest in directly sown field than that in transplanted field. Among the transplanted crop, weed infestation was seen higher in SCI than in conventionally transplanted finger millet due to wider spacing. But after the first hand weeding, due to profuse root growth and tillering in SCI, weeds were suppressed and thus weed biomass was observed higher in CT. After one hand weeding, SCI showed higher weed control index, crop resistance index and planting method efficiency index in terms of yield. Weed infestation was observed higher in Dalle 1 among varieties.

Keywords

Planting method; Seedlings; Value index; Weed, Tillering; Efficiency

Subject

BIOLOGY, Agricultural Sciences & Agronomy

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