Results 191 to 200 of about 15,086 (222)
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Stripe rust reactions of Australasian wheats
Euphytica, 1986Seedling and field reactions to four European races of stripe rust were determined for 254 wheat cultivars, mostly from Australia and New Zealand. Numerical analyses of the data employed a divisive classification procedure with termal reallocation to form 10 groups which were then further classified, ordinated and diagnosed by several procedures.
J. R. Syme, J. P. Thompson
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Spatial analysis of wheat stripe rust epidemics
Crop Protection, 1992Abstract The distribution of wheat stripe rust infection was analysed using fit to frequency models, dispersion indices and the regression of mean crowding on mean density. Disease was measured as severity using a sample unit of ten consecutive tillers along a drill row, with a W sample pattern in the field and the regression relationship percentage ...
R.E. Gaunt, M.J. Cole
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Sequential sampling for wheat stripe rust management
Crop Protection, 1992Abstract The development of a sequential sampling plan for wheat stripe rust is reported, based on knowledge of spatial pattern, and predetermined action thresholds and confidence levels. The plan reduced fungicide applications while maintaining yield at four test sites.
R.E. Gaunt, M.J. Cole
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Effects of Stripe Rust on the Wheat Plant
Australasian Plant Pathology, 1995Stripe rust of wheat caused by Puccinia striiformis f. sp. tritici reduced kernel mass and the number of kernels per head in field epidemics from 1984 to 1987 in southern New South Wales. These epidemics began at the stem elongation stage of growth in 1984 and at booting to heading stages in the other years.
GM Murray, PJ Ellison, A Watson
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Wheat‐associated microbiota and their correlation with stripe rust reaction
Journal of Applied Microbiology, 2019This study was aimed at revealing the composition of microbiota in leaves, roots and rhizosphere soil of wheat plants that are resistant or susceptible to stripe rust, one of the most widely destructive leaf diseases in wheat production.A total of 36 wheat plants that showed resistant or susceptible reactions to stripe rust were sampled.
Y. Dai +6 more
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Wheat stripe rust resistance genes Yr5 and Yr7 are allelic
Theoretical and Applied Genetics, 2009Stripe rust is one of the most destructive diseases of wheat. Breeding for resistance is the most economical and environmentally acceptable means to control stripe rust. Genetic studies on resistance sources are very important. Previous inheritance studies on Triticum aestivum subsp. spelta cv.
Peng, Zhang +3 more
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Prediction of wheat stripe rust using neural network
2010 IEEE International Conference on Intelligent Computing and Intelligent Systems, 2010By comprehensive analysis on wheat stripe rust disease and meteorological data from 1984 to 2008 in Pingliang, the main factors were selected, and based on it three modified BP prediction models were built to realize the prediction of wheat stripe rust bacteria amount during summer, the occurrence degree in autumn and in the next spring.
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[Early diagnosis of wheat stripe rust and wheat leaf rust using near infrared spectroscopy].
Guang pu xue yu guang pu fen xi = Guang pu, 2015In the present study, near-infrared reflectance spectroscopy (NIRS) technology was applied to implement early diagnosis of two kinds of wheat rusts, i. e. wheat stripe rust and wheat leaf rust, by detecting wheat leaves as disease symptom has not appeared.
Xiao-Long, Li +4 more
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Genetic architecture of leaf rust and stripe rust resistance in European wheat
2022Braunrost, verursacht durch Puccinia triticina, und Gelbrost, ausgelöst durch Puccinia striiformis f. sp. tritici, zählen zu den bedeutenden Pilzkrankheiten im Weizen und ihr Auftreten führt weltweit zu Ertragsverlusten. Da ständig neue virulente Rostrassen nachgewiesen werden, zielt die Resistenzzüchtung auf die Erzeugung von Sorten mit langlebiger ...
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