Plant Disease

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Responses ofHeterodera glycinesandMeloidogyne incognitaInfective Juveniles to Root Tissues, Root Exudates, and Root Extracts from Three Plant Species
Plant Disease - Tập 102 Số 9 - Trang 1733-1740 - 2018
Congli Wang, Edward P. Masler, Stephen T. Rogers
The infective juvenile (J2) stage of endoparasitic plant nematodes uses plant chemical signals, released from roots, to localize and infect hosts. We examined the behaviors of soybean cyst nematode (Heterodera glycines) and root-knot nematode (Meloidogyne incognita) J2 in the presence of root signals from marigold (Tagetes patula), soybean (Glycine max), and pepper (Capsicum annuum). Signals were ... hiện toàn bộ
Characterization of a Potexvirus InfectingHostaspp.
Plant Disease - Tập 80 Số 9 - Trang 1040 - 1996
Sophie Currier, B. E. L. Lockhart
Sources of Iris yellow spot virus in New York
Plant Disease - Tập 95 Số 6 - Trang 735-743 - 2011
Cynthia L. Hsu, Christine A. Hoepting, Marc Fuchs, Erik A. Smith, Brian A. Nault
Iris yellow spot virus (IYSV) has been found consistently in commercial dry bulb onion fields throughout New York State since 2006. Yearly recurrence of IYSV may result from annual reintroductions of the virus or persistence of the virus in overwintering host plants. To identify potential sources of IYSV, we surveyed onion transplants imported into New York as well as volunteer onion plants and we... hiện toàn bộ
First Report of Beet mosaic virus Infecting Chickpea (Cicer arietinum) in Tunisia
Plant Disease - Tập 94 Số 8 - Trang 1068-1068 - 2010
Safaa G. Kumari, Asma Najar, N. Attar, Mai Hlaing Loh, Heinrich-Josef Vetten
Chickpea plants with severe yellowing and tip wilting were observed in the Cap-Bon Region of Tunisia in 2006. The viral-like symptoms resulted in yield loss of approximately 25% in some fields. A total of 110 symptomatic chickpea plants was collected from nine chickpea fields and tested at the Virology Laboratory of ICARDA, Syria for eight legume viruses using tissue-blot immunoassay (TBIA) (3). P... hiện toàn bộ
Co-infection of Beet mosaic virus with Beet Yellowing Viruses Leads to Increased Symptom Expression on Sugar Beet
Plant Disease - Tập 89 Số 3 - Trang 325-331 - 2005
William M. Wintermantel
Three distinct aphid-transmitted viruses associated with a yellowing disease on sugar beet were examined in single and mixed infections for the effects of virus interactions on plant weight, rate of symptom development, and virus concentration. Sugar beet lines exhibiting different degrees of susceptibility to the virus yellows complex were inoculated with either one, two, or all three viruses. Se... hiện toàn bộ
Fumigation of Fruit with Short-Chain Organic Acids to Reduce the Potential of Postharvest Decay
Plant Disease - Tập 82 Số 6 - Trang 689-693 - 1998
P. L. Sholberg
Vapors of acetic (1.9 or 2.5 μl/liter), formic (1.2 μl/liter), and propionic (2.5 μl/liter) acids were tested for postharvest decay control on 8 cherry, 14 pome, and 3 citrus fruit cultivars. Surfacesterilized fruit were inoculated with known fungal pathogens by drying 20-μl drops of spore suspension on marked locations on each fruit, placing at 10°C to equilibrate for approximately 24 h, and fumi... hiện toàn bộ
Control of Postharvest Decay in Pear by Four Laboratory-Grown Yeasts and Two Registered Biocontrol Products
Plant Disease - Tập 83 Số 2 - Trang 155-158 - 1999
D. Šugar, R. A. Spotts
Control of blue mold decay in Bosc pears was studied with the laboratory-grown yeasts Rhodotorula glutinis, Cryptococcus infirmo-miniatus, and two strains of Cryptococcus laurentii, as well as registered biocontrol products Aspire, containing the yeast Candida oleophila, and Bio-Save 11 (now Bio-Save 110), containing the bacterium Pseudomonas syringae. Both thiabendazole (TBZ)-sensitive and TBZ-re... hiện toàn bộ
Postharvest Control of Blue Mold and Gray Mold of Apples and Pears by Dip Treatment with Pyrrolnitrin, a Metabolite ofPseudomonas cepacia
Plant Disease - Tập 75 Số 5 - Trang 490 - 1991
Wojciech J. Janisiewicz
Transmission of Tristeza and Seedling Yellows Tristeza Virus by Small Populations ofAphis gossypii
Plant Disease - Tập 68 Số 1 - Trang 494 - 1984
C. N. Roistacher
Incidence, Transmissibility, and Genotype Analysis of Citrus tristeza virus (CTV) Isolates from CTV Eradicative and Noneradicative Districts in Central California
Plant Disease - Tập 89 Số 8 - Trang 859-866 - 2005
R. K. Yokomi, R. L. DeBorde
Growers in 45% (44,100 ha) of the citrus acreage in California stopped eradicating Citrus tristeza virus (CTV)-infected trees from their fields in 1995-96. The impact of leaving infected trees on the rate of CTV spread was determined by comparing temporal incidence of CTV in plots in Strathmore, Tulare County without eradication with incidence in a plot in McFarland, Kern County with eradication. ... hiện toàn bộ
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