Management of peach rusty spot epidemics with biorational fungicides

Lalancette, N.; Furman, Laura A.; White, James F.

doi:10.1016/j.cropro.2012.08.006

Cited by 9 publications

(3 citation statements)

References 19 publications

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“…Nevertheless, knowledge of the degree of rusty spot susceptibility is still useful. For example, some biorational fungicides have been shown to provide consistent but only partial control of rusty spot (Lalancette et al, 2013). Such fungicides would presumably be good candidates for use with cultivars having low or moderate susceptibility.…”

Section: Discussionmentioning

confidence: 99%

“…These studies also showed that demethylation inhibitor fungicides were much more effective than sulfur and that some quinone outside inhibitors also exhibited good efficacy. A recent evaluation of biorational materials known to be effective against powdery mildew pathogens revealed that some of these materials can consistently reduce rusty spot development (Lalancette et al, 2013). However, although these products significantly reduced disease, their level of control was low relative to conventional fungicides.…”

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confidence: 99%

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Susceptibility of Peach Cultivars to Rusty Spot and Characterization of Susceptibility Groups

Lalancette¹,

Ward²,

Goffreda³

2014

horts

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A field study was conducted during the 2007 and 2008 growing seasons to determine and compare the susceptibility of 33 peach (Prunus persica L. Batsch) cultivars and advanced selections to rusty spot caused by Podosphaera leucotricha. During each season, the progression of peach rusty spot was monitored on three cultivars of varying susceptibility to determine when the epidemics had terminated. At that time, disease incidence and severity were estimated as percent infected fruit and number of lesions per fruit, respectively, for all cultivars in the study. Observations were recorded on fruit sampled from four replicate trees of each cultivar located in experimental plantings at the Rutgers Agricultural Research and Extension Center, Bridgeton, NJ. No fungicide sprays were applied to the trees during the study. Overall disease incidence values, estimated by averaging data from both years, varied widely across cultivars, ranging from 5% to 68% fruit infected. The three most susceptible cultivars were Autumnglo, Jerseyqueen, and Bounty, whereas the three least susceptible cultivars were Gloria, Harrow Beauty, and Sugar May. Results of Tukey-Kramer mean separation groupings and relative susceptibility rankings across both years were used to place cultivars into five disease susceptibility categories. The most susceptible cultivars were characterized as having yellow flesh with normal melting flesh texture and acidity, whereas less susceptible cultivars tended to have white-fleshed stony-hard subacid fruit. Among eight quantitative fruit characteristics examined for association with disease levels, ripening date, fruit weight at pit hardening, and fruit pubescence were found to be positively correlated with rusty spot development. Finally, the relationship between disease incidence and lesion density within the 0 to 0.5 incidence range, based on data from all cultivars in the study, agreed closely with former models derived from only a single cultivar.

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Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

Susceptibility of Peach Cultivars to Rusty Spot and Characterization of Susceptibility Groups

Lalancette¹,

Ward²,

Goffreda³

2014

horts

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show abstract

“…Symptoms appear after 3-7 days of infection if conditions are favorable. The mycelium grows rapidly during the warm summer months with an optimum temperature of about 50-90°F (Lalancette et al, 2013). High humidity favors the development of disease, but infection can occur at relative humidity as low as 50% (Bardin et al, 1999).…”

Section: Introductionmentioning

confidence: 99%

Characterization of favorable weather conditions with powdery mildew disease incidence on pumpkin

Zeshan

Yousaf²,

Anjum³

et al. 2019

Plant Prot.

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Weather variables were characterized for the powdery mildew disease caused by Sphaerotheca fuliginea on pumpkin crop. The relationship between airborne conidia and incidence of powdery mildew on pumpkin was studied. Disease incidence data was recorded on weekly basis and correlated with prevailing environmental conditions. All the environmental factors showed positive relationship with disease incidence except wind speed that exhibited negative correlation. Understanding of favorable environment is helpful to use appropriate management approaches.

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Malagasy traditional treatments for food crops: A tool to control potato bacterial diseases?

et al. 2017

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Management of peach rusty spot epidemics with biorational fungicides

Cited by 9 publications

References 19 publications

Susceptibility of Peach Cultivars to Rusty Spot and Characterization of Susceptibility Groups

Susceptibility of Peach Cultivars to Rusty Spot and Characterization of Susceptibility Groups

Characterization of favorable weather conditions with powdery mildew disease incidence on pumpkin

Malagasy traditional treatments for food crops: A tool to control potato bacterial diseases?

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