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Kelly Nascimento-Silva, Luis Roca-Castillo, María Benlloch-González and Ricardo Fernández-Escobar

abiotic stresses such as salinity, metal toxicity, drought, radiation damage, nutrient imbalance, high temperature, and freezing ( Guntzer et al., 2012 ). A remarkable effect of Si is the reduction in the incidence of diseases in plants ( Debona et al

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Charles S. Krasnow and Mary K. Hausbeck

disease incidence and severity at the four selected ages were analyzed with Pearson’s correlation coefficient ( P = 0.05). Homogeneity of variance between isolates was assessed by residual analysis and data from each isolate were pooled as there were no

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Douglas A. Phillips, Philip F. Harmon, James W. Olmstead, Natalia A. Peres and Patricio R. Munoz

daily for disease symptoms. Two criteria were used to measure the disease phenotype (i.e., necrotic stem lesions). First, the number of lesions on each infected plant was recorded to evaluate disease incidence. Second, one representative lesion per

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Jack E. McCoy and Paul W. Bosland

significance with New Mexico having the largest area of chile pepper production in the United States ( USDA, 2017 ). A relatively new disease affecting chile pepper production in New Mexico is powdery mildew incited by L. taurica (Lév.) Arn. Powdery mildew is

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Ryan J. Hayes, Bo Ming Wu, Barry M. Pryor, Periasamy Chitrampalam and Krishna V. Subbarao

washing flask contents through a fine mesh sieve and straining out the sclerotia. Sclerotia were then air-dried and stored at room temperature until used. Disease assessment and statistical analysis of field experiments. Lettuce drop incidence was

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Alisson P. Kovaleski, Jeffrey G. Williamson, Bruno Casamali and Rebecca L. Darnell

disease incidence, there are no studies that have examined the effect of timing and intensity of summer pruning on diseases in blueberry. Most summer pruning studies on blueberries have been done in climates far different from those found in the

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David H Suchoff, Frank J. Louws and Christopher C. Gunter

in the nongrafted plants at OF due to disease incidence ( Fig. 3 ). Fig. 2. Transplants of nongrafted tomato with single leader (A) and grafted tomato with double leaders (B). Arrows indicate location of leaders. Fig. 3. Nongrafted tomato plants

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Juan Carlos Díaz-Pérez, Jesús Bautista, Gunawati Gunawan, Anthony Bateman and Cliff Martin Riner

affected by fertilization rate in sweet onion. Tifton, GA, Winters of 2012–13 and 2013–14. Nitrogen was provided by chicken manure organic fertilizer. Bulb disorders and diseases. Incidence of onion bolting (mean incidence = 7.0%) was maximal at 60 kg·ha −1

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Xiaoyuan Feng, Baogang Wang, Wensheng Li, Lei Shi, Jiankang Cao and Weibo Jiang

plastic trays and stored at 25 °C, 95% to 100% relative humidity. Disease incidence (the percentage of fruit with visible disease development) and lesion diameter were measured daily after inoculation for 4 d. Each treatment was applied to three replicates

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Katherine M. Solo, Sara B. Collins, Madalyn K. Shires, Ron Ochoa, Gary R. Bauchan, Liesel G. Schneider, Alan Henn, James C. Jacobi, Jean L. Williams-Woodward, M.R. Hajimorad, Frank A. Hale, John B. Wilkerson, Alan S. Windham, Kevin L. Ong, Mathews L. Paret, Xavier Martini, David H. Byrne and Mark T. Windham

United States. With reports of RRD in the northern parts of Alabama, Georgia, and Mississippi ( Shires and Ong, 2018 ) the southward extent of disease incidence in those states was unknown. There have been anecdotal reports of RRD infections as far south