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…of hybrids. Recent hybrids were also relatively consistent in growth and had better panicle length in any watering
schedule. Therefore, higher leaf and root per applied water and relative stability in growth, irrespective of watering, might have contributed
to higher yield. Therefore, early selection of grain sorghum can base higher leaf and root …
https://www.wichita.edu/academics/graduate_school/cgrs/_documents/CGRSAbstractBooklet_2009.pdf