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Base temperatures for germination of selected weed species in Iran

Author

Listed:
  • Donato Loddo

    (Institute of Agro-Environmental and Forest Biology, CNR, Legnaro (PD), Italy)

  • Farshid Ghaderi-Far

    (Environment, University of Padova, Legnaro (PD), Italy)

  • Zahra Rastegar

    (Environment, University of Padova, Legnaro (PD), Italy)

  • Roberta Masin

    (Department of Agronomy, Food, Natural Resources, Animals &)

Abstract

Weed emergence models require the estimation of base temperature for germination (Tb) that was estimated for Abutilon theophrasti, Echinochloa crus-galli, Amaranthus retroflexus, Sorghum halepense, Amaranthus albus, and Amaranthus hybridus in Iran, to calibrate an existing model called AlertInf. Two statistical procedures were adopted: Model 1 ‒ linear regression of germination rate and Model 2 - probit analysis. Model 1 provided lower Tb values. Abutilon theophrasti and A. hybridus presented lower Tb values (about 4 and 8°C), while the remaining species had values above 10°C. Since the estimated values of Tb were in agreement with those adopted for the Alertinf model in Italy, the first step was achieved to adapt AlertInf to Iranian conditions.

Suggested Citation

  • Donato Loddo & Farshid Ghaderi-Far & Zahra Rastegar & Roberta Masin, 2018. "Base temperatures for germination of selected weed species in Iran," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 54(1), pages 60-66.
    • Handle: RePEc:caa:jnlpps:v:54:y:2018:i:1:id:92-2016-pps
    DOI: 10.17221/92/2016-PPS
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