Wheat Genotypes With Combined Resistance to Wheat Curl Mite, Wheat Streak Mosaic Virus, Wheat Mosaic Virus, and Triticum Mosaic Virus
| Autor: | Anna E. Whitfield, Allan K. Fritz, Lina Maria Aguirre Rojas, C. Michael Smith, Luaay Kahtan Khalaf, Guorong Zhang, Wen-Po Chuang |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
0106 biological sciences
0301 basic medicine Germplasm food.ingredient Genotype Bunyaviridae Emaravirus 01 natural sciences 03 medical and health sciences food Antibiosis Aegilops tauschii Animals Poacevirus Wheat streak mosaic virus Triticum Plant Diseases Mites Ecology biology Potyviridae food and beverages Tritimovirus General Medicine biology.organism_classification 030104 developmental biology Agronomy Insect Science Wheat mosaic virus 010606 plant biology & botany |
| Zdroj: | Journal of economic entomology. 110(2) |
| ISSN: | 1938-291X |
| Popis: | The wheat curl mite, Aceria tosichella Keifer, (WCM) is a global pest of bread wheat that reduces yields significantly. In addition, WCM carries Wheat streak mosaic virus (WSMV, family Potyviridae, genus Tritimovirus), the most significant wheat virus in North America; High Plains wheat mosaic virus (HPWMoV, genus Emaravirus, formerly High plains virus); and Triticum mosaic virus (TriMV, family Potyviridae, genus Poacevirus). Viruses carried by WCM have reduced wheat yields throughout the U.S. Great Plains for >50 yr, with average yield losses of 2-3% and occasional yield losses of 7-10%. Acaricides are ineffective against WCM, and delayed planting of winter wheat is not feasible. Five wheat breeding lines containing Cmc4, a WCM resistance gene from Aegilops tauschii, and Wsm2, a WSMV resistance gene from wheat germplasm CO960293-2 were selected from the breeding process and assessed for phenotypic reaction to WCM feeding, population increase, and the degree of WSMV, HPWMoV, and TriMV infection. Experiments determined that all five lines are resistant to WCM biotype 1 feeding and population increase, and that two breeding lines contain resistance to WSMV, HPWMoV, and TriMV infection as well. These WCM-, WSMV-, HPWMoV-, and TriMV-resistant genotypes can be used improve management of wheat yield losses from WCM-virus complexes. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|