Single boll weight的用法和樣例：
例句
- Different genealogy composition had different effects on yield components, especially on boll weight and seed index.
系譜組成不同對品種產量性狀具有一定的影響，尤其對單鈴重和子指影響較大。 - Finally, bolls per plant and single boll weight of hybrid cotton have obvious advantages over the conventional cotton, which lead to its highest yield.
雜交棉單株成鈴和單鈴重優勢明顯，產量水平最高。
