The Latest in Plant Pathology and Nematology. Page 251. DOI: 10.1094/PD-90-0251.

RESEARCH

Distribution and Incidence of Some Aphid and Leafhopper Transmitted Viruses Infecting Sugar Beets in Iran. Sh. Farzadfar, R. Pourrahim, A. R. Golnaraghi, and A. Ahoonmanesh. Pages 252-258. DOI: 10.1094/PD-90-0252.

Occurrence of Resistance-Breaking Isolates of Rice yellow mottle virus in West and Central Africa. Oumar Traoré, Agnès Pinel, Eugénie Hébrard, Mawena Y. Dieudonné Gumedzoé, Denis Fargette, Alfred S. Traoré, and Gnissa Konaté. Pages 259-263. DOI: 10.1094/PD-90-0259.   Interpretive Summary.

Comparing Disease Forecasters for Timing Fungicide Sprays to Control Foliar Blight on Carrot. R. S. Bounds, M. K. Hausbeck, and R. H. Podolsky. Pages 264-268. DOI: 10.1094/PD-90-0264.

Dynamics of Lettuce Drop Incidence and Sclerotinia minor Inoculum Under Varied Crop Rotations. J. J. Hao and K. V. Subbarao. Pages 269-278. DOI: 10.1094/PD-90-0269.

Sodium Silicate Reduces Postharvest Decay on Hami Melons: Induced Resistance and Fungistatic Effects. Y. Bi, S. P. Tian, Y. R. Guo, Y. H. Ge, and G. Z. Qin. Pages 279-283. DOI: 10.1094/PD-90-0279.   Interpretive Summary.

Fieberiella florii (Homoptera: Auchenorrhyncha) as a Vector of “Candidatus Phytoplasma mali”. Rosemarie Tedeschi and Alberto Alma. Pages 284-290. DOI: 10.1094/PD-90-0284.   Interpretive Summary.

Incidence of Phytophthora Blight and Verticillium Wilt Within Chile Pepper Fields in New Mexico. S. Sanogo and J. Carpenter. Pages 291-296. DOI: 10.1094/PD-90-0291.   Interpretive Summary.

Effects of Zoospore Concentration and Application Pressure on Foliage Blight of Catharanthus roseus Caused by Phytophthora nicotianae. T. J. Banko, P. A. Richardson, and C. X. Hong. Pages 297-301. DOI: 10.1094/PD-90-0297.

Reduction of Rhizoctonia Bare Patch in Wheat with Barley Rotations. W. F. Schillinger and T. C. Paulitz. Pages 302-306. DOI: 10.1094/PD-90-0302.   Interpretive Summary.

Heritability of Resistance to Verticillium Wilt in Alfalfa. George J. Vandemark, Richard C. Larsen, and Teresa J. Hughes. Pages 314-318. DOI: 10.1094/PD-90-0314.

Quantifying the Feeding Periods Required by Corn Flea Beetles to Acquire and Transmit Pantoea stewartii. B. Menelas, C. C. Block, P. D. Esker, and F. W. Nutter, Jr. Pages 319-324. DOI: 10.1094/PD-90-0319.

Identification of a 16SrII-E Phytoplasma in Calendula arvensis, Solanum nigrum, and Chenopodium spp. G. Tolu, S. Botti, R. Garau, V. A. Prota, A. Sechi, U. Prota, and A. Bertaccini. Pages 325-330. DOI: 10.1094/PD-90-0325.

Reaction of Sorghum Lines Genetically Modified for Reduced Lignin Content to Infection by Fusarium and Alternaria spp. Deanna L. Funnell and Jeffrey F. Pedersen. Pages 331-338. DOI: 10.1094/PD-90-0331.

Root-Knot Nematode Resistance in Pearl Millet From West and East Africa. P. Timper and J. P. Wilson. Pages 339-344. DOI: 10.1094/PD-90-0339.

Characterization of Phytophthora capsici Associated with Roots of Weeds on Florida Vegetable Farms. Ronald D. French-Monar, Jeffrey B. Jones, and Pamela D. Roberts. Pages 345-350. DOI: 10.1094/PD-90-0345.   Interpretive Summary.

Weather-Based Fungicide Spray Programs for Control of Two Foliar Diseases on Carrot Cultivars Differing in Susceptibility. P. M. Rogers and W. R. Stevenson. Pages 358-364. DOI: 10.1094/PD-90-0358.

Temperature Response of Chickpea Cultivars to Races of Fusarium oxysporum f. sp. ciceris, Causal Agent of Fusarium Wilt. Blanca B. Landa, Juan A. Navas-Cortés, María del Mar Jiménez-Gasco, Jaacov Katan, Baruch Retig, and Rafael M. Jiménez-Díaz. Pages 365-374. DOI: 10.1094/PD-90-0365.

DISEASE NOTES

First Report of Tomato spotted wilt virus on Tomatoes in Lebanon. Y. Abou-Jawdah, C. El Mohtar, H. Sobh, and M. K. Nakhla. Page 376. DOI: 10.1094/PD-90-0376A.

First Report of Pinaceae in Georgia Naturally Infected with Tomato spotted wilt virus. S. W. Mullis, A. S. Csinos, R. D. Gitaitis, and N. Martinez-Ochoa. Page 376. DOI: 10.1094/PD-90-0376B.

First Report of Ergot of Bermudagrass Caused by Claviceps cynodontis in Oklahoma. S. M. Marek, R. A. Muller, and N. R. Walker. Page 376. DOI: 10.1094/PD-90-0376C.

First Report of Onion (Allium cepa) Naturally Infected with Iris yellow spot virus in Peru. S. W. Mullis, R. D. Gitaitis, C. Nischwitz, A. S. Csinos, Z. C. Rafael Mallaupoma, and E. H. Inguil Rojas. Page 377. DOI: 10.1094/PD-90-0377A.

First Report of a Defect of Processing Potatoes in Texas and Nebraska Associated with a New Phytoplasma. G. A. Secor, I.-M. Lee, K. D. Bottner, V. Rivera-Varas, and N. C. Gudmestad. Page 377. DOI: 10.1094/PD-90-0377B.

Natural Occurrence of Chilli veinal mottle virus on Capsicum chinense in China. J. Wang, Z. Liu, S. Niu, M. Peng, D. Wang, Z. Weng, and Z. Xiong. Page 377. DOI: 10.1094/PD-90-0377C.

Wild Allium spp. as Natural Hosts of Iris yellow spot virus. H. R. Pappu, B. C. Hellier, and F. M. Dugan. Page 378. DOI: 10.1094/PD-90-0378A.

A New Begomovirus Inducing Yellow Mottle in Okra Crops in Mexico is Related to Sida yellow vein virus. R. De La Torre-Almaraz, A. Monsalvo-Reyes, A. Romero-Rodriguez, G. R. Argüello-Astorga, and S. Ambriz-Granados. Page 378. DOI: 10.1094/PD-90-0378B.

First Report of Tomato chlorosis virus in Lebanon. Y. Abou-Jawdah, C. El Mohtar, H. Atamian, and H. Sobh. Page 378. DOI: 10.1094/PD-90-0378C.

First Report of White Rust Caused by Albugo tragopogonis on Sunflower in Belgium. C. Crepel, S. Inghelbrecht, and S. G. Bobev. Page 379. DOI: 10.1094/PD-90-0379A.

First Report of Tomato yellow leaf curl virus in South Carolina. K. S. Ling, A. M. Simmons, R. L. Hassell, A. P. Keinath, and J. E. Polston. Page 379. DOI: 10.1094/PD-90-0379C.

First Report of Zucchini yellow mosaic virus, Watermelon mosaic virus, and Cucumber mosaic virus in Bottlegourd (Lagenaria siceraria) in Serbia. N. Dukić, B. Krstić, I. Vico, J. Berenji, and B. Duduk. Page 380. DOI: 10.1094/PD-90-0380A.

Clover yellow vein virus Identified in Ammi majus in Florida. M. Irey, S. Adkins, and C. A. Baker. Page 380. DOI: 10.1094/PD-90-0380B.

First Report of Phakopsora pachyrhizi Telia on Kudzu in the United States. C. L. Harmon, P. F. Harmon, T. A. Mueller, J. J. Marois, and G. L. Hartman. Page 380. DOI: 10.1094/PD-90-0380C.