In the correlation factors of production, boll weight was the greatest, followed by the boll number per plant and lintpercentage.
产量构成因子的相关系数中铃重最大，其次是单株结铃数和衣分；
2
The mid-parent value for lintpercentage in the two generations are positive, the better-parent value are negative to 1% significance level;
衣分的群体平均优势在两代均为正向，群体超亲优势均为负向且达到1%显著水平；
3
However, Guang a has disadvantages as well as advantages in the utilization of heterosis because of its low lintpercentage in parent propagation and hybrid seed production.