Exact(9)
The consistent large-effect QTLs identified for yield that interact with key physiological/secondary traits under stress conditions in the TPE represent a unique opportunity for breeders to introgress them into other high-yielding drought-susceptible varieties through MAB (Dixit et al. 2012).
Also no major QTL was identified for yield under salinity.
Till date very few major QTLs were identified for yield components governing salinity tolerance.
Many beneficial regions have been identified for yield components as well as fiber quality traits [ 34, 35].
Only ten large-effect QTL were identified for yield grade in the five breeds recorded for the trait.
As per gramene website, a total of 2,234 QTLs were identified for yield and yield related traits through more than 50 QTL mapping studies in rice.
Similar(51)
Among the results, QTL within the same marker interval were identified for the yield traits including milk, protein, fat, lactose, and somatic cell score yield.
In general, the major-effect QTL identified for grain yield under drought have a genetic gain of 10%to30%0%, with a yield advantage of around 150 to 500 kg/ha over recipient parents.
This is consistent with QTL studies in E. globulus, where all QTL that were identified for pulp yield colocated with cellulose QTL, although not all cellulose QTL colocated with QTL for pulp yield (Freeman et al. 2009; Thamarus et al. 2004).
Although many QTLs have been identified for the yield component traits (www.gramene.org/archive/QTL data), only a few of them have been evaluated for their impact on grain yield.
Of the six QTL identified for grain yield, four were co-located with stay-green QTL.
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