Crop-Weed Competition on Growth and Yield of Soybean (Glycine max L.)

Authors

  • Imtisenla Walling ICAR, Nagaland Centre, Jharnapani, Medziphema, Nagaland (797 106), India
  • L. Tongpang Longkumer Department of Agronomy,SASRD, Nagaland University, Medziphema Campus, Medziphema,Nagaland (797 106), India
  • P. L. Singh Department of Agronomy,SASRD, Nagaland University, Medziphema Campus, Medziphema,Nagaland (797 106), India

Keywords:

Critical period, soybean, weed competition

Abstract

The present investigation was conducted to determine the effect of weed competi­tion on growth and yield of soybean. Field experiment was conducted during kharif season, 2005 at the experimental farm of Nagaland University, School of Agricultural Sciences and Rural development, Medziphema. Nagaland. Dominant weed species observed in the experimental field were Amaranthus viridisAgeratum conyzoidesCassia toraChromalaena odorataMimosa pudica (among broad leaved), Cynodon dactylonDigitaria sanguinalisEleusine indicaImperata cylindrica (among grasses) and Cyperus rotundusCyperus iria (among sedges). Soybean yield was adversely affected by the weeds due to their competition for nutrients and moisture during early growth stages. The critical period of weed competition was between 14-54 days after sowing. Weed free and weedy period exhibited significant effects on No. of pods per plant, test weight, seed yield and stover yield.

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Published

2012-06-07

How to Cite

1.
Walling I, Longkumer LT, Singh PL. Crop-Weed Competition on Growth and Yield of Soybean (Glycine max L.). IJBSM [Internet]. 2012 Jun. 7 [cited 2025 Sep. 7];3(Jun, 2):236-8. Available from: https://ojs.pphouse.org/index.php/IJBSM/article/view/260

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