“…These was a strong compensation between panicles per m 2 and spikelets per panicle. In cereal crops, the compensation among yield components always arises (Nickell and Grafius, 1969;Heinrich et al, 1983;Simane et al, 1993;Zeng and Shannon, 2000), either from the physiological competition or from the developmental allometry (Grafius et al, 1976;Grafius, 1978), and it has been held to largely contribute to the failure in breeding efforts to improve yield potential through indirect selection for yield components in cereals (Li et al, 1998). In the present study, the compensation between panicles per m 2 and spikelets per panicle was not significant for spikelets per m 2 between CTTP and NTDS.…”