不同栽培条件下茎瘤芥(榨菜)瘤茎产量与空心的变化

Dynamic Changes of Tumorous Stem Yield and Hollow Heart in Tumorous Stem Mustard under Different Cultivations

以茎瘤芥主栽品种永安小叶为试材,分析了不同栽培条件下茎瘤芥瘤茎产量和空心的动态变化规律。结果表明,播期、采收期对瘤茎产量和空心有极显著影响;播期推迟,瘤茎产量、空心率和空心指数明显下降;采收期推迟,瘤茎产量、空心率和空心指数则明显增加。分析提出在重庆海拔500 m以下地区9月中旬播种,翌年2月中旬采收能较好地实现瘤茎低空心与丰产的协调统一。

The mainly cultivated variety of tumorous stem mustard ＇Yungan xiaoye＇ was used to analyze dynamic changes of tumorous stem yield and hollow heart under different cultivations.The results showed that sowing date and date of harvest had prominent effects on yield and hollow heart.Yield,hollow heart percentage and index were obviously reduced with the postponement of sowing date and increased with that of date of harvest,yield.High yield cultivation combining with lower hollow heart should be sown in mid-September and harvested in mid-February next year in the area with altitude under 500m in Chongqing.