Abstract
Phenotypic correlation coefficients for three characters among 6 crops of sugarcane ( Saccharum sp.) showed that repeatability for stalk diameter among plant crops was somewhat higher than that for stalk number and Brix, which were about equal. Repeatability for stalk number and diameter was about equal between plant crops and first ratoon crops, but Brix was more repeatable among ratoon than among plant crops. Stalk number and Brix in seedling crops and 1.2‐m clonal crops were not significantly correlated with yield in 4.6‐m clonal crops. Stalk diameter in seedling crops and 1.2‐m clonal crops was significantly correlated with yield in 4.6‐m clonal crops and ranged from 0.17 to 0.34 (.01 level of significance). Thus, stalk diameter was a better selection criterion for yield in early stages of selection than was stalk number or Brix. Since Brix and cane yield were not associated, it should be possible to select high‐yielding clones that also have high Brix.
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Claims 7
Claim · model-written summary
Repeatability for stalk diameter among plant crops was somewhat higher than for stalk number and Brix.
Verbatim
e1“among 6 crops of sugarcane ( Saccharum sp.)”
e2“repeatability for stalk diameter among plant crops was somewhat higher than that for stalk number and Brix, which were about equal”
Claim · model-written summary
Repeatability for stalk number and diameter was about equal between plant crops and first ratoon crops.
Verbatim
e1“among 6 crops of sugarcane ( Saccharum sp.)”
e3“Repeatability for stalk number and diameter was about equal between plant crops and first ratoon crops”
Claim · model-written summary
Brix was more repeatable among ratoon crops than among plant crops.
Verbatim
e1“among 6 crops of sugarcane ( Saccharum sp.)”
e4“Brix was more repeatable among ratoon than among plant crops”
Claim · model-written summary
Stalk number and Brix in seedling crops and 1.2-m clonal crops were not significantly correlated with yield in 4.6-m clonal crops.
Verbatim
e1“among 6 crops of sugarcane ( Saccharum sp.)”
e5“Stalk number and Brix in seedling crops and 1.2‐m clonal crops were not significantly correlated with yield in 4.6‐m clonal crops”
Claim · model-written summary
Stalk diameter in seedling crops and 1.2-m clonal crops was significantly correlated with yield in 4.6-m clonal crops, with correlation coefficients from 0.17 to 0.34.
Verbatim
e1“among 6 crops of sugarcane ( Saccharum sp.)”
e6“Stalk diameter in seedling crops and 1.2‐m clonal crops was significantly correlated with yield in 4.6‐m clonal crops and ranged from 0.17 to 0.34 (.01 level of significance)”
Claim · model-written summary
Stalk diameter is a better early selection criterion for yield than stalk number or Brix.
Verbatim
e1“among 6 crops of sugarcane ( Saccharum sp.)”
e7“stalk diameter was a better selection criterion for yield in early stages of selection than was stalk number or Brix”
Claim · model-written summary
Brix and cane yield were not associated.
Verbatim
e1“among 6 crops of sugarcane ( Saccharum sp.)”
e2“Since Brix and cane yield were not associated”