head smut


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head smut

[′hed ‚smət]
(plant pathology)
A fungus disease of corn and sorghum caused by Sphacelotheca reiliana which destroys the head of the plant.
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Linkage analyses of head smut resistance with the two RAPD markers (S18 and S336) were carried out on the F2 populations including 96 resistant individuals and 48 susceptible individuals by PCR.
1), were most tightly linked to head smut among the 10 primers.
Linkage analyses between head smut resistance and the two RAPD markers were performed on 96 F2 resistant individuals and 48 susceptible individuals.
The result indicated that the SCAR markers were agreed well to the RAPD markers in linkage to head smut resistance (Fig.
Head smut of sorghum, caused by Sporisorium reilianum (KUhn) Clint.
Although some sorghum head smut resistance-linked molecular markers have been identified, such as SSR markers (Zou et al.
Table I: Sequences of SSR primers used to identify resistance genes Ht1, Ht2, Ht3, HtN1 and head smut resistance QTLs
Note: QTL in the table refers to QTL with resistance to head smut
Plant height###Ear length###Ear###Kernel number Severity of NLB Severity of head smut
and susceptible to head smut (severity 45%), Ent12 was resistant to head smut (severity 10%) and susceptible to NLB (severity 75%).
contained band patterns of SSR markers linked to Ht1 and head smut resistance QTL, lines 16 and 31 contained band patterns of SSR markers linked to Ht1, Ht2 and head smut resistance QTL (Table II).
ANOVA revealed significant differences between pyramided lines for the resistance level, agronomic and yield traits (Tables III and IV) Ent17 with Ht1 and Ht2, Ent12 with head smut resistance QTL were significantly different from susceptible check Liao3162 for all components.