Table 3.

Usefulness of HIN as indirect selection in early stages of evaluation for increased FRY in later stages of selection.

Type of comparison (sample size)	Harvest index (0.0–1.0)
HIN in SRT vs. FRY in PYT (2740)	0.12**
HIN in SRT vs. FRY in AYT (591)	0.11*
HIN in SRT vs. FRY in UYT (114)	0.14NS
HIN in PYT vs. FRY in AYT (615)	0.27**
HIN in PYT vs. FRY in UYT (114)	0.20*
HIN in AYT vs. FRY in UYT (114)	−0.11NS

Pearson's correlation coefficients of HIN with FRY assessed in the successive evaluation stages for cassava breeding at CIAT.

^*,**Significant at the 5 and 1% level, respectively.

^NSNon-significant.