Academic literature on the topic 'Late Blight Incidence'

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Journal articles on the topic "Late Blight Incidence"

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Johnson, Dennis A., Thomas F. Cummings, Rita Abi Ghanem, and J. Richard Alldredge. "Association of Solar Irradiance and Days of Precipitation with Incidence of Potato Late Blight in the Semiarid Environment of the Columbia Basin." Plant Disease 93, no. 3 (2009): 272–80. http://dx.doi.org/10.1094/pdis-93-3-0272.

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The effects of cumulative solar irradiance and rainfall on incidence of potato late blight (caused by Phytophthora infestans) in the Columbia Basin of south-central Washington and north-central Oregon were investigated using meteorological data collected near Othello, WA from 1990 through 2007 and Prosser, WA from 1990 through 2006. An association between solar irradiance and seasonal differences in late blight epidemics has not been quantitatively determined. Incidence of late blight in the Columbia Basin significantly increased as cumulative solar irradiance decreased during 1 April to 31 Ju
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Olanya, Ocen Modesto, Robert Philip Larkin, and Charles Wayne Honeycutt. "Incidence of Phytophthora infestans (Mont.) de Bary on potato and tomato in Maine, 2006–2010." Journal of Plant Protection Research 55, no. 1 (2015): 58–68. http://dx.doi.org/10.1515/jppr-2015-0009.

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Abstract Late blight, caused by Phytophthora infestans (Mont.) de Bary, is a devastating disease which is found worldwide. In Maine, United States (US), we recorded late blight on potato and tomato during the 2006-2009 cropping seasons. From 2006 to 2008, over 90% of the diseased samples were collected in potato fields from northern and central Aroostook County in Northern Maine, US. Then, in 2009, an unprecedented influx of inoculum on infected tomato transplants shipped to retail garden centers throughout the Northeast US significantly changed the late blight infection patterns. In 2009, 43%
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Choi, Hyo-Won, Woohyung Lee, Mun-Il Ahn, et al. "Specific Weather Factors Affecting the Incidence of Fire Blight in Korea from 2020 to 2023." Research in Plant Disease 30, no. 3 (2024): 300–303. http://dx.doi.org/10.5423/rpd.2024.30.3.300.

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Since its initial outbreak in Korea in 2015, fire blight has consistently emerged annually. Fire blight outbreaks usually begin in May, peak in June, and decline in July in Korea. In this study, we analyzed cases that exhibit a distinct pattern of disease occurrence based on yearly weather conditions from 2020 to 2023. In 2020, fire bight disease occurrence began in late May. Although the disease incidence started late by the low temperatures in April, which caused flowering period delayed, the incidence increased significantly due to the high risk of blossom infection. In 2021, the first outb
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Misgana, Mitiku, and Eshete Yesuf. "MANAGEMENT OF POTATO LATE BLIGHT THROUGH HOST PLANT RESISTANCE AND FUNGICIDE USE IN SOUTH OMO ZONE, SNNPR, ETHIOPIA." .INTERNATIONAL JOURNAL OF RESEARCH- GRANTHAALAYAH 5, no. 5 (2017): 342–48. https://doi.org/10.5281/zenodo.802344.

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The study was carried out in April 2015 at South Ari district, Senmamer kebele of South Omo Zone Southern Nation Nationality People Regional State to test and demonstrate the effects of integrating host resistance and fungicide application for management of potato late blight disease. In this experiment one relatively late blight resistance improved Irish potato variety (Belete) was collected from Holleta Seed producer Association and susceptible local control potato varieties were used. RCBD with four replications (farmers as replication) were used. A recommended rate of CurzateR R WP fungici
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Prasad, Durga, and R. N. Singh. "Major diseases of field and horticultural crops in Northern Bihar region of India." INTERNATIONAL JOURNAL OF PLANT SCIENCES 17, no. 2 (2022): 180–90. http://dx.doi.org/10.15740/has/ijps/17.2/180-190.

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A survey was conducted to determine the status of major diseases of field and horticultural crops grown in Saharsa, Supaul, Madhepura and Khagaria districts of northern Bihar, India. Three blocks in each district and three villages in each block were surveyed through a random field survey method. Per cent disease incidence was recorded on randomly selected plants in a particular field of selected location. The incidence of diseases was observed on the basis of typical field symptoms and later the association was confirmed through microscopic examinations in the laboratory. In view of maximum d
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Kapsa, Józef. "Late blight (Phytophthora infestans) occurring on stems - a new problem in potato crops." Acta Agrobotanica 55, no. 1 (2013): 127–36. http://dx.doi.org/10.5586/aa.2002.013.

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In recent years changes in the occurrence of the first potato late blight (<i>Phytophthora infestans</i>) symptoms have been noted. Observations of potato crops have showed that occurrence of the blight symptoms is sometimes on the stem instead on the leaves. The aim of the study carried out in 1995-2001 was to determine occurrence and harmfulness of the stem late blight infections. Survey of many potato crops (490 potato fields) made in 1997-2001, around Poland enabled assessment of the incidence of stem blight. Average 69,1% of observed crops were affected with stem blight. The s
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Mehmood, Basharat, Aneela Azad, Nasir Rahim, et al. "Late Blight of Potato (Phytophthora Infestans) Management through Botanical Aqueous Extracts in Temperate Climatic Conditions." International Journal of Phytopathology 11, no. 1 (2022): 35–42. http://dx.doi.org/10.33687/phytopath.011.01.4131.

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Phytophthora infestans causing late blight is one of the most devastating tomato and potato disease that caused considerable yield losses globally including Pakistan. Due to repeated and injudicious synthetic fungicides applications for the control of late blight of potato, the fungicide resistance in P. infestans led to persistence and surveillance late blight of potato. The study was carried out to evaluate the efficacy of Garlic (Allium sativum), Neem (Azadirachta indica), Turmeric (Curcuma longa), Mint (Mentha) at 10%, 20% and 30% concentration as bio-fungicides against late blight of pota
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Vincent, Dietchou Paolo, Keuete Kamdoum Elie, and Tsopmbeng Noumbo Gaston. "Impact of Introduced Tomato Cultivars and Chemical Fungicides on the Occurrence and Intensity of Late Blight in Western Cameroon." Journal of Experimental Agriculture International 45, no. 9 (2023): 71–84. http://dx.doi.org/10.9734/jeai/2023/v45i92177.

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Late blight, caused by Phytophthora infestans, is the main constraint to tomato production and exportation in Cameroon. The objective of this study was to evaluate the impact of chemical and tomato varieties in the control of tomato Late blight in the field for the improvement of tomato production in the west region of Cameroon. Seedlings of 7 tomato varieties produced in the nursery were transplanted into pits each containing 100 g of fowl droppings and 30 g of the nematicide Carbofuran 5%. From the 21st day after transplanting, the different fungicides were applied every four days. Data were
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Mitiku, Misgana, and Yesuf Eshete. "MANAGEMENT OF POTATO LATE BLIGHT THROUGH HOST PLANT RESISTANCE AND FUNGICIDE USE IN SOUTH OMO ZONE, SNNPR, ETHIOPIA." International Journal of Research -GRANTHAALAYAH 5, no. 5 (2017): 342–48. http://dx.doi.org/10.29121/granthaalayah.v5.i5.2017.1866.

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The study was carried out in April 2015 at South Ari district, Senmamer kebele of South Omo Zone Southern Nation Nationality People Regional State to test and demonstrate the effects of integrating host resistance and fungicide application for management of potato late blight disease. In this experiment one relatively late blight resistance improved Irish potato variety (Belete) was collected from Holleta Seed producer Association and susceptible local control potato varieties were used. RCBD with four replications (farmers as replication) were used. A recommended rate of CurzateR R WP fungici
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10

Kherwa, Radhe Shyam, S. S. Solankey, Shirin Akhtar, and Mahendra Kumar. "Screening of Parents and Hybrids Resistant to Late Blight and Leaf Curl Virus Diseases in Tomato." International Journal of Environment and Climate Change 13, no. 2 (2023): 158–65. http://dx.doi.org/10.9734/ijecc/2023/v13i21670.

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The experimental material included 21 F1 hybrids (developed by half diallel fashion), 7 parents and standard check were all planted in randomized complete block design with three replications at Bihar Agriculture University, Sabour. Among the parents Pusa Rohini, Arka Vikash and S. pimpinellifolium whereas, among the crosses, Pusa Rohini × Arka Vikash, H-86 × Arka Vikash and Arka Vikash × S. pimpinellifolium were showed highly resistant for per cent disease incidence and coefficient of infection of late blight and ToLCV. Maximum heterosis over better parent and standard parent in desirable dir
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Book chapters on the topic "Late Blight Incidence"

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Cruz, Sergio Manuel Serra, and Gizelle Kupac Vianna. "Using MLP Neural Networks to Detect Late Blight in Brazilian Tomato Crops." In Deep Learning and Neural Networks. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-0414-7.ch061.

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The food quality is a major issue in agriculture, economics, and public health. The tomato is one the most consumed vegetables in the world, having a significant production chain in Brazil. Its culture permeates many economic and social sectors. This paper presents a technological approach focused on enhancing the quality of tomatoes crops. The authors developed intelligent computational strategies to support early detection of diseases in Brazilian tomato crops. Their approach consorts real field experiments with inexpensive computer-aided experiments based on pattern recognition using neural
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Maji, S., Pramiti K. Chakraborty, S. Basu, et al. "Crop Weather Interaction in Potato in South Bengal Plains." In Sustainable Potato Production and the Impact of Climate Change. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-1715-3.ch003.

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Potato is one of the main staple foods in West Bengal, where it ranks second in production after Uttar Pradesh. There is lots of variation in productivity of the crop. It is due to climatic variability which causes widespread disease infection in potato crop. The shifting of onset and withdrawal of monsoons has also proved to be a barrier in the productivity of the crop. The farmers are habituated to plant the crop within 15th of November; however this is being disrupted because of the shifting of withdrawal of monsoons. Potato is a thermo sensitive crop. The crop growth rate of potato is sign
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