2 edition of Some factors associated with resistance in winter wheat to Pseudocercosporella herpotrichoides found in the catalog.
Some factors associated with resistance in winter wheat to Pseudocercosporella herpotrichoides
Timothy Daniel Murray
Written in English
|Statement||by Timothy Daniel Murray.|
|The Physical Object|
|Pagination||x, 64 leaves :|
|Number of Pages||64|
Triticale in some early research concepts was doomed to serve as a bridge to transfer resistance to leaf diseases from rye into wheat. Over the recent several decades, owing to a hard, inventive and consistent work of researchers and breeders it has become one of more important cereal crops in several countries around the world. Importance: Take-all is widespread in monocropped areas and has been known to cause considerable yield losses in winter wheat and fall-sown spring wheat areas, especially where liming or minimum tillage is practiced. Eyespot (Strawbreaker) Pseudocercosporella herpotrichoides Syn. Cercosporella herpotrichoides.
Fitt BDL, Goulds A, Hollins TW, Jones DR () Strategies for control of eyespot (Pseudocercosporella herpotrichoides) in UK winter wheat and winter barley. Ann Appl Biol – doi: /jtbx CrossRef Google Scholar. Surveys of randomly selected commercial fields in England and Wales in showed that isolates of Pseudocercosporella herpotrichoides resistant to benomyl were common and widespread on winter wheat and winter barley. During June and July resistant strains were recovered from 16 to 66% of fields and the proportion of resistant isolates was 37–52%. The frequency of occurrence of.
Fitt, B.D.L., Goulds, A. & Polley, R.W. Eyespot (Pseudocercosporella herpotrichoides) epidemiology in relation to prediction of disease severity and yield loss in winter wheat-a review. Plant Pathology – Google Scholar. Abstract. Winter wheat, (cv. Consort) was inoculated with three isolates of either Oculimacula yallundae or O. acuformis to determine the effect of eyespot caused by each species on yield and lodging resistance of winter wheat. Plants were visually assessed for disease incidence and severity, and pathogen DNA was quantified at GS 33 and GS
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Strains of Pseudocercosporella herpotrichoides collected in France on winter wheat give either fast‐growing mycelial colonies with regular margins or slow‐growing mycelial colonies with irregular margins.
Most of the fastgrowing isolates were sensitive to triadimenol (EC 50 below 2mg litre −1), but some of them were resistant to this inhibitor of sterol C‐14 by: to P. herpotrichoides in winter wheat. Some indicate that the resistant), and VPM-lR (VPM-1; highly resistant) was inheritance of resistance is complex (1,13,16,22), while others show sown in a crossing block at the Palouse Conservation Field Station.
Identification of rye- and wheat-types of Pseudocercosporella herpotrichoides with DNA probes Article (PDF Available) in Journal of general microbiology (11) November with ().
Testing of Aegilops species for resistance to Pseudocercosporella herpotrichoides (Fon) Deighton. The development of eyespot (Pseudocercosporella herpotrichoides) lesions in winter wheat crops.
The importance of break-crops as suppressors of root rots in the continuosly grown winter wheat. Sbor. Uvtiz Ochr. In crops of winter wheat (—88) or winter barley (—88) inoculated with W-type or R-type isolates of Pseudocercosporella herpotrichoides and sown on different dates () or at.
Mapmaker/EXP and Mapmaker/QTL were used to identify the qBWR-3a, qBWR-3b, qBWR-5a and qBWR-5b QTLs in linkage group 3 and 5; these four loci were strongly associated with resistance.
Mixtures of spring-barley/oats, winter barley/winter wheat and winter barley/wheat/oats were tested in field experiments between and Disease incidence of Pseudocercosporella herpotrichoides, Fusarium spp.
and Rhizoctonia cerealis was greatest on barley and wheat. Lesions caused by Fusarium spp. were prevalent on oats. In a long-term monitoring experiment in winter wheat between and no substantial change in the benzimidazole resistance of Pseudocercosporella herpotrichoides was observed; carbendazim or.
Quantitative estimation of the surface carbohydrates on the infection structures of rust fungi with enzymes and lectins. Archives of MicrobiologyMurray, T.B. & Ye, H. Papilla formation and hypersensitivity at penetration sites and resistance to Pseudocercosporella herpotrichoides in winter wheat.
Phytopathol Fitt, B. Factors affecting the development of eyespot (pseudocercosporella-herpotrichoides) lesions in wheat. Zeitschrift fur Pflanzenkrankheiten Und Pflanzenschutz-Journal of Plant Diseases and Protection.
92 (5), pp. The paper covers the study of the effects of silver (Ag) and copper (Cu) nanoparticles on wheat—Pseudocercosporella herpotrichoides pathosystem in general and, separately, on their interaction both with the plant and with the pathogen. Plants, treated with nonionic colloidal solutions of biogenic metal nanoparticles of Ag and Cu, have taken seed treatment as stress and have.
Diseases continue to be important constraints in wheat and barley conservation cropping systems in the semiarid Pacific Northwest. Several diseases are more damaging in highthan low-residue seedbeds, and in crops planted during early autumn to reduce soil erosion during winter, especially unirrigated winter wheat in rotation with summer fallow in low rainfall zones (– mm).
Morphology, benomyl resistance and pathogenicity to wheat and rye of isolates of PseudocercosporeIla herpotrichoides. Plant Pathol KING, J. & GRIFFIN, M.
Survey of benomyl resistance in Pseudocercosporella herpotrichoides on winter wheat and barley in England and Wales in Plant Pathol Belava et al. Nanoscale Research Letters The Effect of Silver and Copper Nanoparticles on the Wheat-Pseudocercosporella herpotrichoides Pathosystem V.
Belava 0 O. Panyuta 0 G. Yakovleva 0 Y. Pysmenna 0 M. Volkogon 0 0 Educational and Scientific Centre, Institute of Biology and Medicine, Taras Shevchenko National University of Kyiv, 64, Vladymyrska Str., KyivUkraine.
Resistance to Pseudocercosporella herpotrichoides in wheat was determined by inoculating 2-wk-old seedlings with a transformed strain of the pathogen that constitutively expresses β-glucuronidase. Disease resistance is one of the major factors that can be improved to sustain yield potential in cultivated crops.
This book looks at disease resistance in wheat, concentrating on all the economically important diseases – their economic impact and geographical spread, breeding for resistance, pathogen variability, resistance mechanisms and recent advances made on resistance genes.
A dynamic model of the effect of rotation and crop management on the frequency of plants infected by eyespot (anamorph Pseudocercosporella herpotrichoides, teleomorph Tapesia yallundae) in a field is proposed and its parameters are estimated on a series of experiments in France during two years.A first equation estimates disease frequency as a function of thermal time and of two.
Infection of wheat seedlings by Septoria nodorum in relation to environmental factors. Transactions of the British Mycological Soci oo. M~,CER, R. (t). Resistance to eyespot disease (Cercosporella herpotrichoides Fron) determined by a seedling test in some forms of Triticum, Aegilops, Secale and Hordeum.
Plant Pat King, J. () Winter IVl!eat Survey Agricultural Develop- ment and Advisory Service, MAFF, Harpenden Laboratory, St Albans AL5 2BD, UK King, J. and Griffin, M. () Survey of benomyl resistance in Pseudocercosporella herpotrichoides on winter wheat and barley in England and Wales in Introduction.
Eyespot disease of cereals is a monocyclic fungal disease widespread in cool, wet cereal growing areas of the world.
The disease is caused by the pathogen species Oculimacula yallundae and O. acuformis (formerly Tapesia yallundae and T. acuformis respectively, syn. Pseudocercosporella herpotrichoides) (Crous et al., ).The pathogens frequently coexist within the same field and.
Pseudocercosporella herpotrichoides grows well on nutrient agar at about 15°C. Sporulation occurs best on culture disks placed on water agar at 9°C (44, 92), in the field, soil temperature of °C and abundant moisture are most favourable for disease development.
The disease is worst on winter cereals, especially wheat, throughout Europe.factors affecting spore germination and initial growth of pseudocercosporella herpotrichoides on wheat Users without a subscription are not able to see the full content.
Please, subscribe or login to access all content. King, J. E., & Griffin, M. J. (). Survey of benomyl resistance in Pseudocercosporella herpotrichoides on winter wheat and barley in England and Wales in Plant Pathology, 34(2), – CAS; Article; Google Scholar.