Comparison of Epidemiology of Gray Mold, Anthracnose Fruit Rot, and Powdery Mildew in Day-Neutral Strawberries in Field and High-Tunnel Conditions in Ontario

Burlakoti, Rishi R.; Zandstra, J.W.; Jackson, Ken

doi:10.1080/15538362.2012.696956

Cited by 13 publications

(6 citation statements)

References 11 publications

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“…Rowley et al (2011) found that 'Seascape' (along with 'Evie 2') was a high-yielding cultivar in the high tunnel environment; however, 'Albion' was the lowest-yielding cultivar of the four they tested. In contrast, Burlakoti et al (2013) found that high tunnel yield of 'Albion' in Canada was equal to (2009) or two times greater than (2010) yield of 'Seascape'. Variability of yield results emphasizes the importance of genotype by environment interactions and the need for location-specific cultivar evaluations, especially given the sustained growth of local food demand and specialty crop production in new areas of the United States (Feldmann and Hamm, 2015).…”

Section: Resultsmentioning

confidence: 78%

Cultivar, Growing Media, and Nutrient Source Influence Strawberry Yield in a Vertical, Hydroponic, High Tunnel System

Wortman

Douglass

Kindhart

2016

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Demand for local food, including strawberries (Fragaria ×ananassa), is increasing throughout the United States. Strawberry production in the midwestern United States can be challenging due to the relatively short growing season and pests. However, vertical, hydroponic, high tunnel production systems could extend the growing season, minimize pest incidence, and maximize strawberry yield and profitability. The objectives of this study were to 1) identify the best cultivars and growing media for vertical, hydroponic, high tunnel production of strawberries in the midwestern United States and to 2) assess potential strategies for replacing synthetic fertilizer with organic nutrient sources in hydroponic strawberry production. To accomplish these objectives, three experiments were conducted across 2 years and two locations in Illinois to compare 11 strawberry cultivars, three soilless media mixtures, and three nutrient sources. Strawberry yield was greatest when grown in perlite mixed with coco coir or vermiculite and fertilized with a synthetic nutrient source. Yield was reduced by up to 15% when fertilized with a bio-based, liquid nutrient source and vermicompost mixed with soilless media. Strawberry yield among cultivars varied by year and location, but Florida Radiance, Monterey, Evie 2, Portola, and Seascape were among the highest-yielding cultivars in at least one site-year. Results contribute to the development of best management practices for vertical, hydroponic, high tunnel strawberry production in the midwestern United States, but further research is needed to understand nutrient dynamics and crop physiological response among levels within vertical, hydroponic towers.

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Section: Resultsmentioning

confidence: 78%

Cultivar, Growing Media, and Nutrient Source Influence Strawberry Yield in a Vertical, Hydroponic, High Tunnel System

Wortman

Douglass

Kindhart

2016

hortte

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“…The incidence of the disease appears to be higher than that found in our study. Burlakoti et al (2013) indicated a lower incidence of mold under tunnels in Canada, although less than 2% of the fruit were lost outdoors. In the study conducted in California by Daugovish and Larson (2009), there were only small differences in the incidence of mold between plants under the tunnels or outdoors for 'Camarosa' (0.3% vs. 1.2%), but larger differences for 'Ventana' (2.1% vs. 8.0%).…”

Section: Resultsmentioning

confidence: 98%

“…Moderate temperatures and high humidity typically favor the growth of the powdery mildew fungus, with the conidia germinating at temperatures between 15 and 25°C when the relative humidity is above 75% (Kennedy et al, 2013). Studies have shown that the incidence of the disease is higher in plants growing under tunnels than in plants growing outdoors (Burlakoti et al, 2013;Xiao et al, 2001).…”

Section: Resultsmentioning

confidence: 99%

The Productivity of Strawberry Plants Growing Under Plastic High Tunnels in a Wet Subtropical Environment

Menzel¹,

Smith²,

Moisander³

2014

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The effect of plastic high tunnels on the performance of two strawberry (Fragaria ×ananassa) cultivars (Festival and Rubygem) and two breeding lines was studied in southeastern Queensland, Australia, over 2 years. Production in this area is affected by rain, with direct damage to the fruit and the development of fruit disease before harvest. The main objective of the study was to determine whether plants growing under tunnels had less rain damage, a lower incidence of disease, and higher yields than plants growing outdoors. Plants growing under the tunnels or outdoors had at best only small differences in leaf, crown, root, and flower and immature fruit dry weight. These responses were associated with relatively similar temperatures and relative humidities in the two growing environments. Marketable yields were 38% higher under the tunnels compared with yields outdoors in year 1, and 24% higher in year 2, mainly due to less rain damage. There were only small differences in the incidences of grey mold (Botrytis cinerea) and small and misshaped fruit in the plants growing under the tunnels and outdoors. There were also only small differences in postharvest quality, total soluble solids, and titratable acidity between the two environments. These results highlight the potential of plastic high tunnels for strawberry plants growing in subtropical areas that receive significant rainfall during the production season.

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“…Cultivation of day-neutral strawberry in protected plastic high-tunnels can be a better production system than the outdoor field, which can protect the crop from disease with minimal fungicide sprays. However, incidence of powdery mildew could be high in a high-tunnel production system if powdery mildew-susceptible cultivars are grown (Xiao et al, 2001;Burlakoti et al, 2013); therefore, cultivation of powdery mildew-resistant cultivars is recommended in high-tunnel production systems and further evaluation of fungicides and bio-products is needed for powdery mildew control. Research outcomes Table 4.…”

Section: Resultsmentioning

confidence: 99%

Evaluation of epidemics and weather-based fungicide application programmes in controlling anthracnose fruit rot of day-neutral strawberry in outdoor field and protected cultivation systems

Burlakoti¹,

Zandstra

Jackson³

2014

Canadian Journal of Plant Pathology

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Anthracnose fruit rot caused by Colletotrichum acutatum is an economically important disease of strawberry in Ontario. Three years of experiments (2009)(2010)(2011) were conducted at the University of Guelph's Cedar Springs Research Station in Blenheim, ON to understand anthracnose fruit rot epidemics in outdoor field and protected production systems and to evaluate different fungicide spray programmes for disease control in day-neutral strawberry. Weather-based fungicide timing programmes were compared with calendar spray programmes in two day-neutral cultivars, 'Seascape' and 'Albion'. Incidence of disease in high-tunnels was very low in all 3 years, even in fungicide non-sprayed plots, indicating that cultivation of day-neutral strawberry in high-tunnels could be an alternative strategy for controlling anthracnose fruit rot with minimal use of fungicides. In outdoor fields, disease incidence was greatly influenced by leaf wetness duration, rainfall and temperature. The use of a weather-based model to determine the timing of fungicide treatments reduced the number of sprays and was as effective as a calendar-based spray at 7-day intervals to reduce the disease and increase marketable fruit yield. Rotating fungicides with different modes of actions (pyraclostrobin, myclobutanil and boscalid + pyraclostrobin) was more effective in reducing disease than regular sprays of captan. The outcomes of this research will be useful to develop decision support tools and select proper fungicides and cultivation systems to manage anthracnose.Résumé: L'anthracnose des fraisiers, causée par Colletotrichum acutatum, est une maladie de grande importance économique qui s'attaque aux fraises en Ontario. Des expériences ont été menées sur trois ans (de 2009 à 2011) à la station de recherche Cedar Springs de l'Université de Guelph à Blenheim, en Ontario, pour comprendre les épidémies d'anthracnose touchant les fraisiers cultivés en champs et dans des aires protégées ainsi que pour évaluer différents programmes d'application d'agents fongicides afin de lutter contre la maladie chez les fraisiers indifférents. Des programmes d'application basés sur les conditions météorologiques ont été comparés à ceux des calendriers de pulvérisations sur deux cultivars indifférents : 'Seascape' et 'Albion'. Durant les trois années qu'ont duré les expériences, dans les abris-serres, l'incidence de la maladie a été très faible, même dans les parcelles qui n'avaient pas été traitées, ce qui indique que la culture de fraisiers indifférents sous abris-serres pourrait être une solution de rechange à la lutte contre l'anthracnose des fraisiers, et ce, en utilisant un minimum d'agents fongicides. En champs, l'incidence de la maladie était grandement influencée par la durée d'humectation des feuilles, les précipitations et la température. L'utilisation de modèles basés sur les conditions météorologiques pour établir le moment propice des pulvérisations a permis de réduire le nombre d'applications et s'est avérée aussi efficace qu'un programme préconisant, sel...

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Comparison of Epidemiology of Gray Mold, Anthracnose Fruit Rot, and Powdery Mildew in Day-Neutral Strawberries in Field and High-Tunnel Conditions in Ontario

Cited by 13 publications

References 11 publications

Cultivar, Growing Media, and Nutrient Source Influence Strawberry Yield in a Vertical, Hydroponic, High Tunnel System

Cultivar, Growing Media, and Nutrient Source Influence Strawberry Yield in a Vertical, Hydroponic, High Tunnel System

The Productivity of Strawberry Plants Growing Under Plastic High Tunnels in a Wet Subtropical Environment

Evaluation of epidemics and weather-based fungicide application programmes in controlling anthracnose fruit rot of day-neutral strawberry in outdoor field and protected cultivation systems

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