ISSN:
1573-5060
Keywords:
barley
;
powdery mildew
;
colony biomass
;
partial resistance
;
ELISA
;
selection
;
screening
;
adult plant resistance
;
resistance components
;
Erysiphe graminis
;
Hordeum vulgare
Source:
Springer Online Journal Archives 1860-2000
Topics:
Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
Notes:
Summary Twenty-nine spring barley genotypes ranging from primitive landraces to modern cultivars were characterised for partial resistance to powdery mildew on detached leaves and in the field. Detached seedling and adult plant leaves were produced under spore-free glasshouse conditions and were assessed for infection frequency (IF) and then total mildew biomass using enzyme-linked immunosorbent assay (ELISA), and thereby biomass per colony (BMC), following controlled infection. Field plants were assessed visually for infection and for total mildew biomass using ELISA. Several genotypes were identified as having below average IF and BMC on both seedling and adult detached leaves and field scores of leaf area infected with mildew. IF at the seedling stage was highly correlated with IF at adult plant stage and with mildew biomass in the field. Adult plant IF was highly correlated with visual field scores. BMC data were often negatively correlated with other assessments.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00023505
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