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《Journal of Fruit Science》 2008-04
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Study on the identification techniques for determining strawberry cultivar's resistance to anthracnose

WANG Feng, MA Yue, GAO Xiu-yan, ZHANG Zhi-hong (College of Horticulture, Shenyang Agricultural University,Shenyang, Liaoning 110161 China)  
Total of 6 strawberry cultivars were used as materials for studying the identification techniques for examining their resistance to anthracnose. The Colletotrichum gloeosporioides was isolated from the diseased strawberry plants. The result showed that all 3 methods of inoculating C. gloeosporioides, dropping spore suspension, clasping the mycelia plugs and spraying spore suspension on the leaves, induced strawberry plants to develop the anthracnose symptoms. Among them, the spray inoculation method resulted in the highest diseased rate and diseased index. The evaluation system for determining strawberry plant’s resistantance to anthracnose was established, i.e., C. gloeosporioides inoculated on plants at 6 leaves stage with spraying the suspension at the concentration of 1.0×105 conidia/mL, keeping moisture for 48 h post inoculation, and the diseased rate and diseased index on leaves investigated 5 d after inoculation, and on stolons and petioles investigated 7 d after inoculation. The result of identification showed that Benihoppe was a susceptible cultivar, Toyonoka showed moderately susceptible, Honeoye and Xinmingxing showed moderately resistant,Maliya and Tudla showed more resistant. Such results are accorded with the exhibitions of their resistances in field.
【Fund】: 国家自然科学基金(30671432)
【CateGory Index】: S668.4
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