Comparison of Sclerotinia Minor Inocula for differentiating the Reaction of Peanut genotypes to Sclerotinia Blight
نویسندگان
چکیده
منابع مشابه
Enhancing resistance to Sclerotinia minor in peanut by expressing a barley oxalate oxidase gene.
Sclerotinia minor Jagger is the causal agent of Sclerotinia blight, a highly destructive disease of peanut (Arachis hypogaea). Based on evidence that oxalic acid is involved in the pathogenicity of many Sclerotinia species, our objectives were to recover transgenic peanut plants expressing an oxalic acid-degrading oxalate oxidase and to evaluate them for increased resistance to S. minor. Transf...
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15 صفحه اولComparative survival of Sclerotia of Sclerotinia minor and S. sclerotiorum.
Survival of sclerotia of Sclerotinia minor and S. sclerotiorum was compared in irrigated fields during the summer in two major lettuce production areas in California. More than 50% sclerotia of S. sclerotiorum compared with 4 and 35% of S. minor remained viable after 24 weeks of burial at 15 and 5 cm depths, respectively, in the San Joaquin Valley while >80% of sclerotia survived in the Salinas...
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as a basis for comparison of the different test methods, since it has been shown that genotype ranking according to reaction to natural attack is stable. Two tests gave results significantly correlated with those of natural attack. A test measuring mycelium extension along the young stem from an explant placed on the terminal bud gave a correlation of r = 0.554 (n = 20). An infection by ascospo...
متن کاملAntagonism of Aspergillus Terreus to Sclerotinia Sclerotiorum
An Aspergillus terreus strain showed in vitro antagonistic activity against the plant pathogen Sclerotinia sclerotiorum (Lib.) de Bary. The interaction between A. terreus and sclerotia revealed that the mycoparasite sporulated abundantly on the sclerotial surface. Cell breakdown due to host cell wall disruption was observed in inner rind cells, by a scanning electron microscopy.
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ژورنال
عنوان ژورنال: Peanut Science
سال: 2006
ISSN: 0095-3679
DOI: 10.3146/0095-3679(2006)33[7:cosmif]2.0.co;2