排序方式： 共有20条查询结果，搜索用时 15 毫秒
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球根花卉之一百合,以其球根鳞片组织为外植体进行诱导培养,经过多组合培养基对比试验,筛选出各培养阶段最适宜的培养基:诱导分化,MS 6BA3.0mg/L NAA0.2 mg/L;继代增殖,MS 6BA3.0 mg/L IAA0.1mg/L;生根培养,1/2MS IAA2.0 mg/L. 相似文献
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Steven R. James Lori Wing Ronald Knight Barbara Harrity Devid H. Lambert Bud Platt Al Reeves Bill Bohl Lind Sanford Alexander D. Pavlista Ed Plissey Richard Sawyer Joe Guenthner Willem Schrage Edward B. Radcilffe Nora Olsen Jeff Miller Rikki Sterrett Gale W. Harding Marcin Topoleweki 《American Journal of Potato Research》2000,77(6):369-390
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Joy E. Tomlinson Amit Kapoor Arvind Kumar Bud C. Tennant Melissa A. Laverack Laurie Beard Katie Delph Elizabeth Davis Harold Schott II Kara Lascola Todd C. Holbrook Philip Johnson Sandra D. Taylor Erica McKenzie Jessica Carter‐Arnold Emilie Setlakwe Lisa Fultz Jeff Brakenhoff Rebecca Ruby Sheetal Trivedi Gerlinde R. Van de Walle Randall W. Renshaw Edward J. Dubovi Thomas J. Divers 《Journal of veterinary internal medicine / American College of Veterinary Internal Medicine》2019,33(1):251-257
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Leak is a post-harvest disease of potato tubers manifested by a wet, spongy rot that can quickly lead to complete tuber decay. In North America, leak is most commonly caused byPythium ultimum var.ultimum Trow, although a number of otherPythium spp. have been found to be pathogenic to potato tubers. We report that an isolate identified by DNA sequencing asP. sylvaticum Campbell & Hendrix was pathogenic to potato tubers. The organism produced a dark, hollow cavity in tubers that was much drier in texture than typical symptoms of leak. Symptomology was similar in tubers of the cultivars Yukon Gold, Green Mountain, and Russet Burbank. Studies to complete Koch’s postulates confirmed thatP. sylvaticum could be reisolated from diseased tissue and produced the same disease symptoms when isolates were subsequently re-inoculated into healthy tubers. This is the first report ofP. sylvaticum causing rot in potato tubers. 相似文献
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Stuart B 《Journal of the American Veterinary Medical Association》2006,228(9):1334; author reply 1334-1334; author reply 1335