[PDF][PDF] A study on heterosis and inbreeding depression in sunflower (Helianthus annuus L.)
S Ahmad, MS Khan, MS Swati, GS Shah… - Songklanakarin J. Sci …, 2005 - thaiscience.info
… The experiment was conducted at NWFP Agricultural University, Peshawar to study heterosis
and inbreeding depression in 7×7 half diallel crosses of sunflower. The planted materials
consisted of parental … Yield and leaf area showed highly significant heterosis in F1 hybrids
ranging from 102 to 309% and 46.3 to 163.9%, respectively, while inbreeding depression in
the F2 population ranged from 17-71% and -9.7-43%, respectively. Leaves per plant showed
low level of heterosis in F1 hybrids (-0.9 to 39.7%), whereas the effect of inbreeding depression …
and inbreeding depression in 7×7 half diallel crosses of sunflower. The planted materials
consisted of parental … Yield and leaf area showed highly significant heterosis in F1 hybrids
ranging from 102 to 309% and 46.3 to 163.9%, respectively, while inbreeding depression in
the F2 population ranged from 17-71% and -9.7-43%, respectively. Leaves per plant showed
low level of heterosis in F1 hybrids (-0.9 to 39.7%), whereas the effect of inbreeding depression …
Abstract
Ahmad, S. 1, Muhammad S. Khan2, Muhammad S. Swati3, Gul S. Shah4 and Iftikhar H. Khalil5
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