期刊
PHYTOPARASITICA
卷 29, 期 1, 页码 29-35出版社
SPRINGER
DOI: 10.1007/BF02981811
关键词
Pratylenchus thornei; root-lesion nematode; Triticum spp.; wheat; anhydrobiosis; dry farming; resistance
Pratylenchus thornei densities were monitored in field plots of two winter wheat cultivars in a dry farming area of southern Spain. Samples were taken fortnightly during the wheat-growing season and from the following dry fallow. Under durum wheat cv. 'Donpedro', nematode densities decreased thornei increased for 5 to 6 months and then were maintained or slightly decreased thereafter, surviving the summer dry fallow in an anhydrobiotic state (78.2% and 85.3% survival in soil and roots, respectively). Under durum wheat cv. 'Donpedro', nematode densities decreased over the growing season, although densities within the roots increased during the first 2 months of the wheat-growing period, indicating that nematodes could penetrate the roots of this cultivar but were unable to reproduce. These observations suggest resistance of wheat cv. Donpedro to P. thornei.
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