Few QTLs were detected under both water stress and non-stress condition, implying that drought had severe impact on the genetic behaviors of both spikelet number and stigma exsertion.

• 几乎没有在水分胁迫和非胁迫两种条件下都检测到的QTL，暗示着干旱对颖花数和柱头外露率有严重的影响。