其中北京品种的感光性最强，其次是山东品种，雅安品种和南京品种最弱。
Phototonus of Beijing variety was the best, next is Shandong variety, Ya 'an and Nanjing varieties were the worst.
回归分析发现，抽穗期长短与品种的感光性呈显著相关，感光性是影响西南地区粳稻品种抽穗期长短的主要因素。
Regression analysis showed a significant correlation between heading date and PS, indicating that PS was the main factor affecting heading date of japonica cultivar in Southwest China.
回归分析发现，抽穗期长短与品种的感光性呈显著相关，感光性是影响西南地区粳稻品种抽穗期长短的主要因素。
Regression analysis showed a significant correlation between heading date and PS, indicating that PS was the main factor affecting heading date of japonica cultivar in Southwest China.
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