The relationships between the estimates of general (σ 2 g) and specific (σ 2 s) combining abilities obtained from the four methods of diallel analysis described by Griffing (1956) and estimates of D R ...

If you’ve already fallen off your workout routine, you’re not alone—and it doesn’t mean you’re failing. January 9 is known as Quitter’s Day, the point when motivation dips and New Year’s resolutions ...