Plant Pathogen Detection Articles
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Plants Activate `Wartime` Protein Production to Fight Invasion
Plants are constantly attacked by bacteria, viruses and other pathogens. When a plant senses a microbial invasion, fundamental changes occur in the chemical soup of proteins inside its cells, the workhorses of life. In a new study published in Cell, Duke University researchers have uncovered a key ingredient in plant cells that reprograms their protein-making machinery to fight disease. Crop ...
By Lifeasible
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How crop registration boosts quality, quantity & consistency
Crop registration - an essential piece of the puzzle No matter how well controlled a growing environment is, environmental conditions are bound to vary from time to time. This can be due to the weather conditions in your natural climate, interactions between different plant species or even changes in your operational practices. It’s essential to gain knowledge and understanding of all of ...
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Listening to Underground Music at Washington State University
Dr. Weller is Research Leader of the U.S. Department of Agriculture’s Agricultural Research Services Wheat Health, Genetics and Quality Research Unit at Washington State University (WSU), Pullman, Washington. His specialty is plant pathology and the cutting-edge research that his research unit conducts solves problems anywhere in the country, or the world, affecting the production of small ...
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What is it about this soil that protects plants from devastating disease?
Figuring out why certain soils keep plant parasites at bay could be a boon for agriculture around the globe Plants around the world are constantly under attack — often with big implications for humans. In the 1960s, millions of elm trees in Britain, France and the U.S. fell victim to Dutch elm disease, which clogs the vessels that carry life-giving water to the trees’ leaves. ...
By Ensia
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Study on veterinary and human antibiotics in raw and treated water from a French basin
The aims of this work are to evaluate the presence of antibiotics in surface waters in a French water basin, where the presence of livestock is relatively important, and to understand the behaviour of antibiotics in drinking water treatment plants (DWTPs). Two sampling sites were chosen because of their livestock density and the presence of DWTPs in areas where urban activities are different. ...
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Is Horticultural Science in Crisis? What is Needed to Assure Its Future?
"Kenya has a shortage of competent horticultural staff at institutional and commercial levels." "Horticulture is facing a crisis in the United Kingdom." "Is horticulture a withering field in the USA?" "Concerns over shortage of agriculture graduates In Australia." "Uganda's flower sector faces an imminent shortage of qualified managers and supervisors in flower firms." "New Zealand ...
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Sand abrasion injury and biomass partitioning in cotton seedlings
Wind blown soil particle abrasion negatively impacts millions of hectares of crops annually. The goal of this study was to examine the effects of wind and wind blown sand abrasion damage on cotton (Gossypium hirsutum L.) seedling biomass partitioning to leaves, stems, and roots. Seedlings of three cotton cultivars were exposed to no wind (untreated controls) or sand abrasive flux densities of 0, ...
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Growth and phosphorus uptake of three riparian grass species
Riparian buffers can significantly reduce sediment-bound P entering surface water, but control of dissolved P inputs is more challenging. Because plant roots remove P from soil solution, it follows that plant uptake can reduce dissolved P losses. We evaluated P uptake of smooth bromegrass (Bromus inermis Leyss.), reed canarygrass (Phalaris arundinacea L.), and switchgrass (Panicum virgatum L.) ...
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Growth and phosphorus uptake of three riparian grass species
Riparian buffers can significantly reduce sediment-bound P entering surface water, but control of dissolved P inputs is more challenging. Because plant roots remove P from soil solution, it follows that plant uptake can reduce dissolved P losses. We evaluated P uptake of smooth bromegrass (Bromus inermis Leyss.), reed canarygrass (Phalaris arundinacea L.), and switchgrass (Panicum virgatum L.) ...
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Capabilities of four novel warm-season legumes in the southern great plains: Grain production and quality
Grain legumes could serve as a low cost nitrogen (N) and energy source for animal production in the southern Great Plains (SGP). This study evaluated the yield and nutritive value of grains of tropical annual legumes novel to the SGP. Included were cultivars of pigeon pea [Cajanus cajan (L.) Millsp.] (cv. GA-2), guar [Cyamopsis tetragonoloba (L.) Taub.] (cv. Kinman), cowpea [Vigna unguiculata ...
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Characterization of corn Nitrogen status with a greenness index under different availability of Sulfur
Several methodologies measure leaf greenness intensity and relate it to crop N status. There is no evidence, however, of the utility of this variable to detect N deficiencies in corn (Zea mays L.) under S deficiency. The objective of this work was to evaluate the potential of two indexes based on leaf greenness intensity to detect N deficiencies in corn under different levels of S. Two ...
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The sensitivity ratio: A superior method to compare plant and pathogen screening tests
There are numerous plant disease-screening methods used to identify resistance in various crops. It is common practice to prefer the screening method with the smallest root mean square error (RMSE), least-significant difference (LSD), or coefficient of variation (CV). However, valid comparison based on the RMSE or LSD requires both methods to have the same scale while the CV is only applicable if ...
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Retail survey of brazilian milk and minas frescal cheese and a contaminated dairy plant to establish prevalence, relatedness, and sources of listeria monocytogenes isolates
A study was designed to recover Listeria monocytogenes from pasteurized milk and Minas frescal cheese (MFC) sampled at retail establishments (REs) and to identify the contamination source(s) of these products in the corresponding dairy processing plant. Fifty milk samples (9 brands) and 55 MFC samples (10 brands) were tested from REs located in Juiz de Fora, Minas Gerais, Brazil. All milk samples ...
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Summer–fall seeding dates for six cool-season grasses in the midwest united states
The effect of late summer (fall) planting date for cool-season grasses in the upper Midwest is not well understood. Objectives of this research were to determine optimum planting dates of late-summer/fall seedings in different environments for several cool-season grass species and to gain information on tiller density and tillers plant–1 relative to dry matter yield. Late-summer/fall seedings of ...
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Toxic metals status in human blood and breast milk samples in an integrated steel plant environment in Central India
Owing to its unique nutritional and immunological characteristics, human milk is the most important food source for infants. Breast milk can, however, also be a pathway of maternal excretion of toxic elements. Selected toxic elements (As, Pb, Mn,a Hg and Cd) were determined in human breast milk and blood samples obtained from 120 subjects related to an integrated steel plant environment located ...
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