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Early blight potato diseases11/30/2023 ![]() Luna Tranquility ® helps reduce Early blight severity by 97% and helped improve yield by 10%, leading to an additional +$543 per cwt./A in profits. Trial conducted by Miller Research, Idaho Commission. Monitoring – Vigilant monitoring and management of Early blight and White mold is needed as potato crops get closer to maturity and harvest.Fungicides – Can help eradicate both diseases and should be applied preventively or at the first sign of Early blight symptoms.Crop Rotation – The University of Idaho Extension recommends rotating crops grown in a particular field to prevent diseases from overwintering.It also overwinters, potentially resulting in ongoing losses. White mold causes a rapidly spreading, cottony- white growth and might cause plant death. White Mold – Thrives in moist conditions and excessive irrigation.Early Blight – Thrives in wet conditions and can lead to smaller potatoes, lower dry matter content and yield loss.(1984) Genetic variance estimates in a heterogenous potato population propagated from true seed. Israeli Journal of Agricultural Research, 15, 115-122. (1965) The relation between the ratio of yield to foliage and the incidence of early blight in potato and tomato. (2001) Use of tissue culture and the mutagenesis in vitro for the improvement of the resistance to Alternaria solani (Solanum tuberosum Lin.), to var Desiree. Veitia, N., Dita, M.A., Garcia, L., Herrera, L., Bermu dez, I., Acosta, M., Clavero, J., Orellana, P., Romero, C. (1994) Selection in vitro of resistance to Early Blight (Alternaria solani Sorauer.) in Creole Potatoes (Solanum phureja Junz). (2002) Morphological, pathogenic, and molecular characterization of Alternaria isolates associated with Alternaria late blight of pistachio. (1977) The effect of nitrogen fertilization in the expression of slow-mildewing resistance in Knox wheat. (2007) In vitro and ex vitro selection of potato plantlets for resistance to early blight. Rodriguez, N.V., Kowalski, B., Rodriguez, L.G., Caraballoso, B., Suarez, M.A., Perez, P.O., Quintana, C.R., Gonzalez, N. (1969) Resistance of tomato seedlings to early blight. (1990) Inheritance of resistance to early blight disease in tetraploid x diploid crosses of potatoes. (2006) Components of resistance to early blight in four potato cultivars: Effect of leaf position. Plant Breeding, 120, 169-172.ĭita Rodriguez, M.A., Brommonschenkel, S.H., Matsuoka, K. (2001) Inheritance to early blight disease in a diploid potato population. and Mahesh, D., Eds., Comprehensive Potato Biotechnology, Malhotra Publishing House, New Delhi, 50-60.Ĭhrist, B.J. (1998) Strategies for the evaluation of variation as a source of resistance to early and late blight of potato. (2004) New report of Alternaria alternate causing leaf blight oftomato in Pakistan. Greenhouse, Casmos were resistant to at least figure and Marfona genotype hadĪkhtar, P.K., Saleem M.Y., Asghar, M. In both methods, there wasĪ significant difference between the potato genotypes (P < 0.01). They were compared using Duncan’s test (a = 0.01%). The area under the disease progress curve values were pres ented by analysis of variance (ANO VA), and Inoculation, but the assessment of greenhouse symptoms appeared 6-10 daysĪfter inoculation. alternata, chlorotic and necrotic symptoms began 1 to 2 days after In vitro selection of fungal isolates of A. Which have been infected with the two leaves of each iteration. The experimental design was aĬompletely randomized design (CRD) with three replications and seven genotypes, alternata culture filtrate and were inoculatedīy spraying with a suspension of 10 5 conidia/ml of isolate A.Īlternata in the greenhouse method. The leaflets receivedĪ 1000-μl droplet of the A. ![]() Plant Gene Bank of Iran and were inoculated in This study, the virus free potato seedlings were obtained from the National Potato is caused by the fungus Alternaria alternata, one of the mostĭestructive foliar diseases, especially in hot climates under irrigation. ![]()
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