Influence of Plant Population Density on Growth and Yield of Stevia (Stevia Rebaudiana Bertoni L.)

Influence of Plant Population Density on Growth and Yield of Stevia (Stevia Rebaudiana Bertoni L.)

Journal

  • Journal title: International journal of Advanced Biological and Biomedical Research
  • ISSN: 2383-2762 (print)2322-4827 (online)
  • Publisher: CASRP Publishing Company
  • Country of publisher: iran, islamic republic of
  • Date added to EuroPub: 2017/May/15

Subject and more

  • LCC Subject Category: Biological Sciences, Biochemistry, Microbiology, Molecular Biology, Anatomy, Physiology,
  • Publisher's keywords: Anatomy, Biochemistry, Biological Sciences, Cell biology, Clinical Sciences, Comparative Physiology
  • Language of fulltext: english
  • Full-text formats available: PDF

AUTHORS

  • Nebret Tadesse Btru | Ethiopian Institute of Agricultural Research, Wondo Genet Agriculture Research Center P.O.Box 198 Shashemene Ethiopia
  • Aynalem Gebere | Ethiopian Institute of Agricultural Research, Wondo Genet Agriculture Research Center P.O.Box 198 Shashemene Ethiopia
  • Hordofa Melkamu | Ethiopian Institute of Agricultural Research, Wondo Genet Agriculture Research Center P.O.Box 198 Shashemene Ethiopia
  • Lule Belistie | Ethiopian Institute of Agricultural Research, Wondo Genet Agriculture Research Center P.O.Box 198 Shashemene Ethiopia

EDITORIAL INFORMATION

FULL TEXT

ABSTRACT

Objective: An experiment was conducted at Wondo Genet Agricultural Research Center in the production season of 2013/14 and 2014/15 with the objective of identifying the best combination of intra and inter-row spacing for optimum plant population density of stevia. Methods: The experiment was conducted using five intra-row spacing (20cm, 25cm, 30cm, 35cm, and 40cm) and three inter-row spacing (40cm, 50cm and 60cm) with total treatment combination of fifteen that were laid out in factorial RCBD design with three replications. In 2013/14 cropping season the maximum fresh leaf weight (19467kg ha-1), fresh above-ground biomass (25002kg ha-1) and dry leaf weigh (7834kg ha-1) were obtained from the combined pacing of 20cm intra-row and 40cm inter-row spacing. In 2014/15 cropping season, the maximum fresh leaf weight (16470.1 kg ha-1) and (14433.9kg ha-1), fresh above-ground biomass (27547kg ha-1) and (23619.8kg ha-1) and dry leaf weight (4773.7 kg ha-1) and (4314.0 kg ha-1) were obtained from 20cm intra-row and 40cm inter-row spacing respectively. Results: Although the study showed that the highest Stevia herbage yield per unit area was recorded from the combined spacing of 20cm intra-row and 40cm inter-row spacing, considering the difficult condition we met during weeding and watering, we, therefore; suggest that the best combined intra-row and inter-row spacing for Stevia is 25cm x 40cm to attain maximum yield under appropriate management conditions at wondo genet and similar locations.

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