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捆叶显著地增加了两个大白菜 Bing 和 WenWu 的产量(Brassica Campestris ssp peki-nensis Rupr),但对耐热的亚洲蔬莱中心杂交种62号没有影响。产量的增加是因结球率增高和叶球增重所致。用聚乙烯网覆盖对 Wen Wu 具有减产的作用。
Bundle leaves significantly increased the yield of two Chinese cabbage varieties, Bing and WenWu (Brassica Campestris ssp peki-nensis Rupr), but had no effect on the heat-tolerant Asiatic hybrids variety No 62. Increased yield is due to increased ball rate and leaf weight gain caused. Covering with polyethylene mesh has a yield reduction effect on Wen Wu.