多效唑和氮肥对马铃薯产量及经济效益的影响

杨妍, 徐宁生, 潘哲超, 李燕山, 杨琼芬, 张磊

Effects of Paclobutrazol and Nitrogen on Yield and Economic Benefit of Potato

Yang Yan, Xu Ningsheng, Pan Zhechao, Li Yanshan, Yang Qiongfen, Zhang Lei

表2 2019-2020年多效唑对马铃薯产量及其构成因素的影响

Table 2 Effects of paclobutrazol on potato yield and its components in 2019-2020

年份 Year 多效唑 Paclobutrazol 产量 Yield (t/hm2) 大薯率 Large tuber rate (%) 中薯率 Middle tuber rate (%) 小薯率 Small tuber rate (%) 结薯个数 Tuber number 2019 P0 42.04b 66.25a 22.62a 11.12a 7.13b P1 44.12ab 68.22a 20.81a 10.97a 7.28b P2 46.31a 67.86a 21.18a 10.96a 7.69a 2020 P0 54.16b 66.26a 22.88a 10.87ab 8.49a P1 58.83a 68.35a 21.08ab 10.56b 8.83a P2 59.20a 67.73a 20.61b 11.67a 8.64a 平均Mean P0 48.10b 66.78b 21.26a 11.96a 7.81a P1 51.47a 69.20a 19.92b 10.87a 8.06a P2 52.76a 68.91a 20.29ab 10.80a 8.17a