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Le présent projet visait donc à évaluer l’efficacité de biofongicides contre le mildiou du basilic. Les produits Double Nickel 55 (Bacillus amyloliquefaciens), MilStop (bicarbonate de potassium), Organocide (huile de sésame et huile de poisson), Timorex Gold (huile de melaleuca), Regalia Maxx (Reynoutria sacchalinensis), Rhapsody (Bacillus subtili), Cueva (octanoate de cuivre), Actinovate SP (Streptomyces lydicus), SilMatrix (silicate de potassium) et Procidic (acide citrique), Prestop (Gliocladium catenulatum), OxiDate (peroxyde d’hydrogène) et Rhapsody ont été comparés au fongicide conventionnel Confine Extra (acide phosphoreux).
Les objectifs duprojet étaient 1. Évaluer l’efficacité de la gestion intégrée pour contrôler B. tabaci dans les productions de poinsettias au Québec. 2. Valider en situation de production si la proportion de B. tabaci MED est différente selon le type de gestion phytosanitaire utilisée (intégrée vs conventionnelle). 3. Développer une nouvelle expertise au Québec : l’identification de B. tabaci MED et de B. tabaci MEAM 1 en laboratoire. C’est confirmé, B. tabaci MED se retrouve plusieurs régions du Québec. Cette espèce de B. tabaci semble beaucoup moins fréquente que B. tabaci MEAM 1 (B. tabaci MED : 13 % ; B. tabaci MEAM 1 : 87 %). La gestion intégrée a permis un bon contrôle de B. tabaci dans trois des quatre serres en gestion intégrée de ce projet.
Consumer perceptions of pest control practices (biocontrol, organic, breeding, genetic engineering). Comparison of consumer interest in purchasing mums and greenhouse tomatoes produced using different pest control practices.
Industry workshop outlining current trends in the edible ornamentals category. Online consumer survey examining which edible ornamentals (in containers) Canadian gardeners are most interested in.
Flower (potted and cut) needs of Asian-Canadians and Middle Eastern Canadian.
Consumer interest and taste preferences in edible flowers
This project was intended to provide guidance on innovative water treatment technologies for the horticulture sector in Ontario. The scope of the project included: installation of 2 portable hybrid treatment systems (HTS) to test the operational parameters needed to treat (i.e. clean) floriculture greenhouse and nursery wastewater so that it can be either safely discharged to the environment, or rendered suitable for re-use within the operation, installation of 2 permanent hybrid treatment systems (HTS), one at a container nursery and one at a flower greenhouse, using information obtained from the pilot systems as well as previous studies, and development of a Guidance Document for growers to help them make informed decisions regarding water management and treatment options. The Hybrid Treatment System represents a flexible tool for water treatment, particularly in situations where there is a desire to recirculate or discharge very clean water. Removal rates in each of the selected media are dependent on temperature, flow rate (hydraulic retention time), and nutrient concentration. Temperature is particularly important for the woodchip cells, since these are primarily a biological treatment. For optimum performance these systems need to be designed on the basis of projected daily water volumes, concentrations for treatment, and expected temperatures over the entire production period. While these systems do require a significant footprint outdoors, they can be tailored to match the volumes and fluctuations of a particular operation. And in many cases, the surface of the treatment can be used as a production area, but machine traffic should be avoided. It is highly recommended that growers conduct a self-assessment of the farm prior to choosing a water management solution.
This project demonstrated the differences in leachate (direct pot runoff) from outdoor container production from a range of fertilizers (formulation, rate) in both overhead and drip irrigation systems. Both hydrangea and chrysanthemum crops were examined, with sites across Southern Ontario (primarily in the Leamington-London region that drains into the western basin of Lake Erie, and the Niagara peninsula). Comparisons of key nutrients (especially phosphorus and nitrogen) were made, in addition to overall plant growth parameters, costing comparisons (CRF vs. WSF), and after-sales plant performance. The goal of the project was to provide benchmarking and guidance on improved nutrient and fertilizer best management practices (BMPs) for outdoor floriculture production in Ontario.
Four dehumidification technologies were tested at three different facilities over a three year period: commercial mechanical refrigeration dehumidifier (MRD), chemical liquid desiccant dehumidifier (LDD), air-to-air heat recovery ventilation system (HRV), and finally a prototype called energy recovery ventilation (ERV), which is a combination of liquid desiccant approach (wet mode) and an air-to-air heat exchanger (dry mode). Overall, energy savings could be achieved, but the dehumidification systems controls needed. to be strategically integrated in the greenhouse computer control system logic in a manner that resulted in optimal performance in order for the savings to be significant. A method for in-house qir quality monitoring was developed using 3M Petrifilms, and showed a linear correlation with standard air quality testing methods.
The project assessed the potential environmental impacts of land application of Greenhouse nutrient feedwater (GNF) under the Ontario Nutrient Management Act as a best management practice (BMP) through field infiltration experiments established at four greenhouse operations representing a cross section of the vegetable greenhouse sector near Leamington, Ontario. The results demonstrated that the majority of the nutrients and other dissolved constituents in GNF applied at the highest permissible rates and practical loadings over a variety of soil types and agricultural land use practices remained within the vadose zone and at low concentrations over the course of the monitoring period. No evidence of significant environmental impact from the land application of GNF was observed. Overall, the results of the study suggest that land application of GNF in accordance with Ontario’s regulations is a feasible and environmentally reasonable treatment option for managing GNF.
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