stem blight


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stem blight

[′stem ‚blīt]
(plant pathology)
Any of various fungus blights that affect the plant stem.
References in periodicals archive ?
Methods of seedling evaluation for resistance to gummy stem blight have been reported in watermelon (Boyhan et al.
In previous studies, there were genetic differences for gummy stem blight resistance among commercial cultivars of watermelon.
However, they were much less resistant to gummy stem blight than the resistant parents PI 189225 and PI 271778.
The objective of this study was to evaluate the available USDA-ARS watermelon germplasm collection for resistance to gummy stem blight using commercial cultivars as reference points,
The checks were 51 watermelon cultivars, along with a set of seven cucumber cultivars, to provide reference points for gummy stem blight resistance.
The complete dataset for all the 1332 cultigens tested for resistance to gummy stem blight was submitted to the Germplasm Resources Information Network (http:// www.
Ideal high temperature and dry soil conditions occurred each year for natural ashy stem blight epidemics.
0) was slight, so ashy stem blight itself may have caused early maturity of severely infected lines.
002) that condition field resistance to ashy stem blight in 79 [F.
The quantitative inheritance of disease score in this population suggests high selection intensities, large population sizes, and perhaps multiple environments will be required to phenotypically select for the XAN 176-derived resistance to ashy stem blight segregating in other populations.
If independent, the markers for Mp-1 and Mp-2 and the QTL-linked RAPDs described herein would provide initial tools for testing marker-assisted selection approaches to retaining and combining quantitative resistance traits with qualitative resistance genes for control of ashy stem blight in common bean.
Resistance and susceptibility of bean to ashy stem blight.