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Effects of Soil pH and Fertilizers on Haskap ( Lonicera caerulea L.) Vegetative Growth

Author

Listed:
  • Catherine Tremblay

    (Laboratoire d’écologie végétale et animale, Département des sciences fondamentales, Université du Québec à Chicoutimi, Saguenay, QC G7H 2B1, Canada)

  • Annie Deslauriers

    (Laboratoire d’écologie végétale et animale, Département des sciences fondamentales, Université du Québec à Chicoutimi, Saguenay, QC G7H 2B1, Canada)

  • Jean Lafond

    (Agriculture and Agri-Food Canada, Quebec Research and Development Centre, Normandin Research Farm, Normandin, QC G8M 4K3, Canada)

  • Julie Lajeunesse

    (Agriculture and Agri-Food Canada, Quebec Research and Development Centre, Normandin Research Farm, Normandin, QC G8M 4K3, Canada)

  • Maxime C. Paré

    (Laboratoire d’écologie végétale et animale, Département des sciences fondamentales, Université du Québec à Chicoutimi, Saguenay, QC G7H 2B1, Canada)

Abstract

Haskap ( Lonicera caerulea L.) is a new northern latitude fruit crop that is increasing in popularity. This sudden enthusiasm for haskap increases the need for obtaining baseline knowledge related to establishing it as a crop, such as its optimal soil pH and fertilizer needs. In a greenhouse, one-year-old haskap plants (cultivar: Indigo Treat©) were grown in a local loamy sand. We assessed the impact of pH and fertilizer on haskap vegetative growth through an experiment involving four soil pH and five fertilization treatments of three N sources (ammonium, nitrate, and organic (chicken manure)). Leaf senescence as well as above-ground and root biomass were recorded after 19 weeks of vegetative growth. For cultivar Indigo Treat©, optimal vegetative growth was observed under slightly acidic soil conditions (pH CaCl2 5.5–6 or pH water 5.9–6.5) without application of N. Phosphorus and K fertilizers did not influence vegetative growth. We here discuss the implications for establishing haskap orchards.

Suggested Citation

  • Catherine Tremblay & Annie Deslauriers & Jean Lafond & Julie Lajeunesse & Maxime C. Paré, 2019. "Effects of Soil pH and Fertilizers on Haskap ( Lonicera caerulea L.) Vegetative Growth," Agriculture, MDPI, vol. 9(3), pages 1-7, March.
    • Handle: RePEc:gam:jagris:v:9:y:2019:i:3:p:56-:d:214524
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