The Influence of Temperature and Leaf Wetness Duration on Infection of Perennial Ryegrass by <i>Rhizoctonia solani</i>

Gross, Michal; Santini, Judith B.; Tikhonova, I.; Latin, Richard

doi:10.1094/pdis.1998.82.9.1012

Cited by 28 publications

(28 citation statements)

References 13 publications

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“…Fungicides may be applied when a predetermined threshold of disease severity is encountered. Alternatively, weather‐based disease warning models have been developed to help time fungicide applications for control of brown patch on turfgrasses (Fidanza et al, 1996; Fidanza and Dernoeden, 1997; Schumann et al, 1994; Gross et al, 1998). Curative, or warning‐based approaches ensure that applications are made only when needed, and may result in reduced fungicide input.…”

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confidence: 99%

Dollar Spot and Brown Patch Fungicide Management Strategies in Four Creeping Bentgrass Cultivars

2001

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New creeping bentgrass (Agrostis palustris Huds.) cultivars should be thoroughly evaluated for disease resistance and fungicide application strategies for inclusion in integrated pest management plans. Our objectives were to evaluate dollar spot (Sclerotinia homoeocarpa F.T. Bennett) and brown patch (Rhizoctonia solani Kühn) severity, and turf quality of ‘L‐93’, ‘Penncross’, ‘Providence’, and ‘Crenshaw’ creeping bentgrass managed using preventive, curative, and weather model‐based fungicide application strategies. This field study was conducted on a sand‐based putting green in Manhattan, KS, from 1997 through 1999. Nonfungicide‐treated L‐93 exhibited greatest resistance to dollar spot; Penncross and Providence were intermediate; and Crenshaw was most susceptible. Crenshaw exhibited greater brown patch susceptibility than other cultivars in 1998, but was similar to L‐93 in 1999. Greater flexibility in imposing a disease control strategy was afforded by using a disease‐resistant (i.e., L‐93), rather than a disease‐susceptible (i.e., Crenshaw) cultivar. Dollar spot was controlled in L‐93 using preventive fungicide applications on 14‐ or 28‐d intervals, preventive low‐rate applications of chlorothalonil (tetrachloroisophthalonitrile, 3.5 kg a.i. ha−1) every 7 d, or a curative fungicide application when an increase in the disease was observed. In Crenshaw, only the 14‐d preventive fungicide regime effectively controlled dollar spot. Considering all cultivars across the 3‐yr period, fewer fungicide applications were made using a curative (n = 11–17) than a preventive (n = 30) strategy. The curative strategy was effective when dollar spot, but not when brown patch was the primary disease.

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confidence: 99%

Dollar Spot and Brown Patch Fungicide Management Strategies in Four Creeping Bentgrass Cultivars

2001

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“…Subplot units were the individual cones of turf, replicated eight times in each growth chamber experiment. Our experimental design was adapted from the ones described by Gross et al (1998) and Uddin et al (2003). Analysis of variance and multiple regression procedures were conducted to measure the influence of temperature and leaf wetness duration on disease.…”

Section: Methodsmentioning

confidence: 99%

“…Wils.] (Danneberger et al, 1984), Pythium blight ( Pythium aristosporum Vanterpool) (Nutter et al, 1983), brown patch ( Rhizoctonia solani Kühn AG 1) (Gross et al, 1998), and gray leaf spot [ Pyricularia grisea (Cooke) Sacc.] (Uddin et al, 2003).…”

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confidence: 99%

Predicting Microdochium Patch on Creeping Bentgrass

Dwyer¹,

Horvath

Kravchenko

et al. 2017

Itsrj

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Microdochium patch is a major cool‐season disease affecting creeping bentgrass (Agrostis stolonifera L.) on golf courses, yet prediction tools are limited to help properly time fungicide applications for control. The objective of this study was to create a predictive model using growth chamber studies to determine the effects of air temperature and leaf wetness duration on the development of Microdochium nivale on creeping bentgrass turf. ‘Penncross’ creeping bentgrass plants were inoculated with leaves infected with M. nivale and maintained in growth chambers while exposed to temperatures of 8, 12, 16, and 20°C at leaf wetness durations of 24, 36, 48, and 60 h. Digital images of diseased plants were measured for percentage area infected using Assess image analysis software. The effects of temperature and leaf wetness duration on disease were significant. Disease severity increased with temperature and leaf wetness durations. Among treatments, the most disease was measured at 20°C, 60 h (46.3% disease). Analysis of variance using orthogonal polynomial contrasts and regression analysis determined the relationships among temperature and leaf wetness duration to disease. The polynomial model included linear and quadratic terms for temperature and leaf wetness duration. The adjusted coefficient of determination for the fitted model was 0.70. The model may be tested in the field and used to help predict outbreaks of Microdochium patch on creeping bentgrass turf.

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“…In perennial ryegrass ( Lolium perenne L.), Gross et al (1998) examined the effect of temperature and leaf wetness on the severity of a disease caused by Rhizoctonia solani called brown patch, or Rhizoctonia blight. R. solani activity was tested with five air temperatures: 15, 18, 21, 24, and 27°C, and five periods of leaf wetness: 9, 12, 15, 18, and 24 hours.…”

Section: Abiotic and Biotic Factors Influencing Related Species In Otmentioning

confidence: 99%

Response of Strawberry Black Root Rot to Abiotic and Biotic Soil Factors

Crane

2007

Journal of Natural Resources and Life Sciences Education

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Black root rot is a strawberry disease caused by a community of soil‐dwelling organisms including Rhizoctonia fragariae, Pratylenchus penetrans, and Pythium spp. Abiotic soil conditions such as texture, organic matter, temperature, and nutrients impact the development and severity of this disease, as do biotic soil characteristics including the presence of nematodes and fungi. A better understanding of how these abiotic and biotic soil factors influence black root rot is necessitated by the phase‐out of methyl bromide, which has traditionally been the primary tool for controlling this disease. Numerous studies contribute to our knowledge of black root rot, and these investigations are supplemented by information from related plant systems and pathogens.

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The Influence of Temperature and Leaf Wetness Duration on Infection of Perennial Ryegrass by Rhizoctonia solani

Cited by 28 publications

References 13 publications

Dollar Spot and Brown Patch Fungicide Management Strategies in Four Creeping Bentgrass Cultivars

Dollar Spot and Brown Patch Fungicide Management Strategies in Four Creeping Bentgrass Cultivars

Predicting Microdochium Patch on Creeping Bentgrass

Response of Strawberry Black Root Rot to Abiotic and Biotic Soil Factors

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