Past studies revealed that bolls per sympodia
and bolls per plant have major role in yield protection, and during selection, such important characters should not be evaded (Djaboutou et al.
Heritability and expected response to selection also exhibited that bolls per sympodia
were mostly administered by genetic variance and has span for further improvement.
per plant only in five irrigations treatment signifying that the selection for these characters would not yield fruitful results.
Height of the First Sympodia
(HFS), measures the height of the main stem (in cm) from the cotyledonary node to the first fruiting branch.
64% of total variation for bolls per plant, seed cotton yield and sympodia
per plant, respectively, considering the larger effects of environment in combination with genotypes on various traits (Gul et al.
Data were recorded for bolls per sympodia
, bolls per plant, boll weight, seed cotton yield per plant, lint % and lint index, and were subjected to analysis of variance (Steel et al.
In the original analyses there was little difference in boll retention and weight among adjacent sympodia
, so data were combined for sympodia
6 through 8, 9 through 11, 12 through 14, 15 through 17, and 18 through 20.
The cultivar CIM-506 with medium boll weight and early maturity revealed maximum seed cotton yield sympodia
plant and short stature plants as compared to seven other upland cotton cultivars (Batool et al.
1986), who reported an increased number of sympodia
per plant with floral bud removal.
Moderate estimates of heritability were found for nodes to1st fruiting branch (35%) monopodia per plant (34%) and sympodia
per plant (43%).
The increased radiation use efficiency was attributed to better light penetration brought about by more internodes, longer internodes and more vertically positioned sympodia
, presumedly due to reduced boll mass on the sympodia
64% of total variation for bolls plant-1 seed cotton yield and sympodia
plant-1 respectively considering the larger effects of environment in combination with genotypes on plant growth and morphology.