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Monday, April 20, 2020 | History

2 edition of Response of potato cultivars to moisture deficit stress and Verticillium dahliae found in the catalog.

Response of potato cultivars to moisture deficit stress and Verticillium dahliae

Meghan Canfield Arbogast

Response of potato cultivars to moisture deficit stress and Verticillium dahliae

  • 77 Want to read
  • 40 Currently reading

Published .
Written in English

    Subjects:
  • Potatoes -- Diseases and pests.,
  • Potatoes -- Effect of stress on.,
  • Verticillium dahliae.

  • Edition Notes

    Statementby Meghan Canfield Arbogast.
    The Physical Object
    Pagination71 leaves, bound ;
    Number of Pages71
    ID Numbers
    Open LibraryOL15495890M

    The goals of the Potato Genome Project are to conduct fundamental research on potato and other Solanaceous plants, to provide the scientific community with a comprehensive set of structural and functional genomic resources to expedite future research efforts, and to foster science education and public awareness of plant genomics. Boosting Potato Defence Against Late Blight. A Study from Field to Molecule. Abstract For more than one century efforts has been made to obtain potato (Solanum tuberosum) cultivars resistant to late blight. However, introduced resistance has repeatedly been overcome by Phytophthora infestans (Mont) de Bary. Today late blight control is. Entry, J.A. and Strausbaugh, C.A. and Sojka, R.E. () Wood chip-polyacrylamide medium for biocontrol bacteria decreases Verticillium dahliae infection on . Obtaining potato cultivars that are resistant to this destructive disease will help reduce production costs and the need for costly fungicides. Key words: Alternaria grandis, Solanum tuberosum, disease management, foliar disease, host resistance, tissue susceptibility.

      Potatoes are particularly vulnerable to increased temperature, considered to be the most important uncontrollable factor affecting growth and yield. Elevated temperature is known to affect multiple processes in potato plant physiology including tuber development and yield. In a new study published recently in the journal Planta, scientists at the James Hutton Institute and the University.


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Response of potato cultivars to moisture deficit stress and Verticillium dahliae by Meghan Canfield Arbogast Download PDF EPUB FB2

By R. Ingham, P. Hamm, and C. Ocamb. Cause A fungus, Verticillium dahliae, which survives in soil or in infected plant infects through roots and invades the plant's water-conducting tissues, ultimately causing a wilt issue. Photosynthetic response of pepper plants to wilt induced by Verticillium dahliae and soil water deficit Article in Journal of plant physiology (9) February with Reads.

To confirm these, we determined the effect of potato onion as a companion crop on tomato Verticillium wilt, investigated the antifungal activities of the root exudates from potato onion and tomato on V.

dahliae growth, and investigated the expression profile of the disease resistance related genes of tomato infected with V. dahliae by by: Comparative Susceptibility of Potato Cultivars to Verticillium However, the response to Verticillium infection i.e.

foliar symptoms, stunting effect and the resulting stem weight and yield reduction varied among cultivars. Foliar symptoms the LDIs recorded on inoculated plants were greater. Table 1 Origins of Verticillium dahliae. Water deficit is the most important abiotic stress factor in crop production.

Evaluation of the response of different potato cultivars to water deficit stress is necessary to release cultivars for regions with water deficit. A split-plot experiment with three replications was carried out during and The main factor consisted of three levels of irrigation (irrigation after 25%, 35% Cited by: Soil Temperature Determines the Reaction of Olive Cultivars to Verticillium dahliae Pathotypes.

leaf temperature to measure the effect of brown stem rot and soil moisture stress. Verticillium wilt is a fungal disease of potato caused by two species of Verticillium, V. dahliae and V. albo atrum. The pathogen infects the vascular tissue of potato plants through roots, interfering with the transport of water and nutrition, and reducing both the yield and quality of tubers.

We have evaluated the reaction of potato clones ( cultivars and nine breeding selections) to Cited by: 1.

Potato virus Y (PVY), Potato leafroll virus (PLRV) net necrosis, and Fusarium dry rot. Similar to cv. Russet Burbank, it is late maturing (more than days) and is mainly used for French fry processing. Little information is available regarding the colonization dynamics by V.

dahliae in potato cultivars during a single growing by: Abstract. Young, visually symptomless leaves from potato (Solanum tuberosum) plants infected with Verticillium dahliae exhibited reduced carbon assimilation rate, stomatal conductance, and intercellular CO 2, but no increase in dark respiration, no change in the relationship between carbon assimilation rate versus intercellular CO 2, and no change in light use efficiency when intercellular CO Cited by: GERM, M.: The response of two potato cultivars on combined effects of atherosclerosis, specific cancers, arthritis, and altered immunological functions.

Se deficiency in animals and humans can lead to heart disease, hypothyroidism and a weakened immune system. Amer J of Potato Res () 89 Evaluation of Potato Clones for Severity of Verticillium Writ, Yield and Specific Gravity in Maine Robert W. Goth 1 and Kathleen G. Haynes 2 ~Research Plant Pathologist.

2Research Plant Geneticist, USDA/ARS, Plant Sciences Institute, Vegetable Laboratory, Beltsville, MD biochemical, physiological and agronomic response of various sweet potato cultivars/varieties to drought stress in rainout shelters and field conditions.

robert naylor laurie. submitted in fulfilment of the requirements for the degree of doctor of phylosophy in the research centre for plant growth and development, school of life sciences.

Intercropping could alleviate soil-borne diseases, however, few studies focused on the immunity of the host plant induced by the interspecific interactions. To test whether or not intercropping could enhance the disease resistance of host plant, we investigated the effect of companion cropping with potato onion on tomato Verticillium wilt caused by Verticillium dahliae (V.

dahliae).Cited by: •Infection of tubers by Verticillium is widespread in seed lots tested • Australia has three species of Verticillium -V. dahliae, V.

albo-atrum, V. tricorpus -This was the first report of V. albo-atrum from potato in Australia for 40 years • All pathogenic in potato with V. dahliae being the most important in Australia • Differences in virulence of V. dahliae isolates. the effect of companion cropping with potato onion on tomato Verticillium wilt caused by Verticillium dahliae (V.

dahliae). To investigate the mechanisms, the root exudates were collected from tomato and potato onion which were grown together or separately, and were used to examine the antifungal activities against V. dahliae in vitro. Agronomy New Zeal 1 Sweetpotato response to drought Sweetpotato cultivar response to prolonged drought S.L.

Lewthwaite1 and C.M. Triggs2 1The New Zealand Institute for Plant & Food Research Limited, Pukekohe Research Centre, 49 Cronin Road, RD1, Pukekohe, New Zealand 2Department of Statistics, University of Auckland, Private BagAuckland, New Zealand.

Insights into the complex relationship between potato plants and this pathogen are helping to advance development of resistance cultivars. Verticillium dahliae, a soil-borne fungus, causes wilt, yellowing, necrosis and early dying in potato. This yield-robbing pathogen is tough to manage, has a broad host range, and is known to survive in the soil for up to about.

Foliar application of metribuzin resulted in severe foliar injury to potato cultivars Atlantic, Norchip, and Hilite Russet, reduced yields for Butte, Norchip, and Hilite and had no effect on AC Novachip, NorWis, Century Russet, Frontier Russet, and Ranger Russet over 2-yr.

Diquat application to 14 cultivars over a six year period resulted in 73–97% foliar and 63–97% stem by: Response of three potato (Solanum tuberosum) cultivars to pyraflufen-ethyl used as a desiccant in Canada. The cultivars Russet Burbank, Shepody and Yukon Gold were evaluated for their response to pyraflufen-ethyl applied as single doses of 10, 20, 30 and 60 g ai ha −1 in Cited by: In addition to helping in identifying water-deficit tolerant genotypes, the response curves of transpiration and leaf growth versus FTSW (Figures 2 and 3) also have a direct application in potato simulation models.

Fagundes et al. () calibrated such models for the Rio Grande do Sul conditions, but the effect of water deficit was not taken. Thirty five sweet potato genotypes were planted in three trials in rainout shelters and open fields to analyze their physiological, biochemical and agronomical responses to drought stress.

The majority of the genotypes were selected breeding lines with some cultivars from America, Peru and South : Robert Naylor. Laurie. Verticillium Wilt is a common fungal disease of tomato and squash family crops. It prefers warm (not hot) and wet conditions.

The fungus enters the plant through natural openings and wounds in the roots and grows up into the stem, where it blocks the supply of nutrients and water to the leaves. Soyabean meal (SM) and meat and bone meal (MBM) were incorporated into soil to a depth of 15 cm at a rate of 37 t/ha in 2 commercial potato (Solanum tuberosum) fields in Ontario, Canada, in the spring of The incidence of Verticillium wilt (V.

dahliae) and potato scab (Streptomyces spp.), the population of plant parasitic nematodes [unspecified], and the soil chemistry and microbiology Cited by: The present varieties are included in the Victorian Certified Seed Potato scheme, and descriptions of each are set out in this Agriculture Note.

Origin: Sequoia was introduced from the U.S.A. and was released in It was the result of a cross between Katahdin and Green Mountain. Maturity: Late, capable of growing periods longer than days. The biocidal properties of hydrogen peroxide (H2O2) could be used in plant protection. However, the effects of H2O2 foliar spraying on the performance of the potato photosynthetic apparatus are still unclear.

A pot experiment was conducted to investigate the effect of foliar spraying, which was done twice, with various H2O2 concentrations (1, 3, 6, 12, and 18%) on the potato photosynthetic Author: Ewa Szpunar-Krok, Marta Jańczak-Pieniążek, Karol Skrobacz, Dorota Bobrecka-Jamro, Maciej Balawejder. Evaluation of potato cultivars and clones for their response to pink rot caused by Phytophthora erythroseptica Helen Griffiths 1, T.

Zitter, W. De Jong2 and D. Halseth3 1Depts. Plant Pathology & Plant Microbe- Biology, 2Plant Breeding and Genetics, and 3Horticulture, Cornell University, Ithaca, NY [email protected] Inoculum preparation. Genetics Assessment of Vegetative Compatibility of Verticillium dahliae Tester Strains and Isolates from California Potatoes.

Strausbaugh, Former postdoctoral fellow, Department of Plant Pathology, University of California, BerkeleyPresent address: Research and Extension Center, North East, Kimberly, ID ; M. Verticillium wilt of sugar beet (Beta vulgaris L.) has not previously been reported in the Red River Valley of Minnesota and North Dakota where both Verticillium dahliae Kleb and V.

albo-atrum Reinke & Berthier cause wilt on potato (Solanum tuberosum L.) (3). In Augustsugar beet in four fields from eastern North Dakota (sown to potato in. With verticillium wilt, it is 7 years. With the raised beds, that should work, especially if the wood structure is clean, and the soil you add is fresh (not your native soil).

Also, the bottom of the bed should not come into contact with the native soil. Keep soil moisture moderate, but not too wet. Cultivar color coding refers to tuber skin color or flesh color; Com Scab = Streptomyces; SS = Silver Scurf; BD = Black dot; PR t = refers to Pink Rot response for tuber susceptibility; E Blt = Early Blight; LB = Late blight; GNR = applies for Ro1 of golden nematode unless indicated.

In andthe effect of Verticillium wilt on the incidence and severity of pink-eye of potato was studied. Six cultivars and 12 advanced breeding lines (clones) of Solanum tuberosum with varying degrees of resistance to Verticillium wilt were selected.

The effects of soil solarization were studied in 2 potato fields near Alliston, Ontario, Canada. Plots were covered with transparent plastic or left uncovered for 8 weeks from mid Jun. to mid Aug. The av. daily temp. of the soil were °C higher at all measured depths in solarized plots than in uncovered plots.

Solarization increased 3-fold the concn of nitrogen within the top 10 cm of soil Cited by: Heat Stress of Emerging Potato Plants. High temperature is an uncontrollable environmental condition that can significantly affect potato production. Russet Burbank, the most widely grown potato variety is sensitive to high temperatures.

When high temperatures. Bouchek-Mechiche, K., Pasco, D., Andrivon, D., Jouan, B. () Differences in host range, pathogenicity to potato cultivars and response to soil temperature among Streptomyces species causing.

Late Blight of Potato, a disease caused by the oomycete pathogen Phytophthora infestans is one of the most devastating diseases of potato worldwide. None of the potato cultivars currently grown in the United States have adequate resistance to late blight.

Every year potato growers in Wisconsin spend $ million in fungicides as an insurance against losses due to potato late blight infections. The potato is the world's most important non-grain crop. Genetic diversity and adaptation to a variety of climates allows potatoes to be grown in more countries than any other food plant.

In the US alone, around one million acres are planted annually with potatoes, rendering almost twenty million metric tons of tubers and more than billion dollars in output value. Fusarium wilt of sweet potato; Stem rot Yellowing and wilting of the lower and older leaves, and the vines turning tan to light-brown are the typical symptoms.

The dying vines have pinkish fruiting bodies of the fungus. The tubers produced by an infected plant have discolored vascular tissues which may rot upon storage. Fusarium wilt of tomato. The resistance of ten potato cultivars (Agria, Ajax, Désirée Liseta, Kennebec, Majestic, Monalisa, Prima, Spunta and Tonda di Berlino) to Phytophthora infestans was analyzed in vitro using 8 fungal strains.

An assay based on electrolyte leakage was used for screening leaves and tuber tissues with fungal culture filtrates. With almost all cultivars the resistance of leaves did not correlate. In an effort to keep this book timely and reduce the amount of information that rapidly becomes outdated, we have not included specific information on vegetable crop cultivars, pesticide product.

The effect of water stress on the growth, yield, and various morphological characteristics related to yield and eco-physiological responses of tomato was studied in two drought-tolerant cultivars, 'TM ' (TM) and 'VF' (VF) and two drought-sensitive ones, 'Kyokko' (KK) and 'Ratan' (RT).Cited by:.

Potato leaves curling. Asked June 7,PM EDT. 1 Response. Thank you for your question. It is hard to diagnose plant diseases over the internet.

When I try to zoom in the picture is too blurry. New leaves emerging on the potato plant can be caused from Potato Psyllids.A label expansion for Syngenta’s Aprovia fungicide, to cover additional soil-borne potato diseases, makes it the first fungicide in Canada approved to suppress verticillium wilt in potatoes.

Fumigants have been potato growers’ only option against the crop disease until now, Eric Phillips, Syngenta Canada’s fungicides and insecticides product lead, said .Seasonal effects found were highest N2 fixation and biomass production occurring during late spring and early summer and lowest during winter.

Climatic factors were investigated in one of the conventional orchards and it was found that seasonal effects were related to a combination of temperature and moisture deficit effects.