不同氮、磷、钾配比对紫甘薯花青素积累及产量的影响

史婵, 韩丽, 李秋卓, 张芳魁, 曾秀丽, 李玉蓉, 张兴端

Effects of Different Nitrogen, Phosphorus, and Potassium Ratios on Anthocyanin Accumulation and Yield in Purple Sweetpotato

Shi Chan, Han Li, Li Qiuzhuo, Zhang Fangkui, Zeng Xiuli, Li Yurong, Zhang Xingduan

表2 不同氮、磷、钾配比下不同时期紫薯花青素含量

Table 2 Anthocyanin content in purple sweetpotato at different stages under different N, P, and K ratios mg/100 g

处理Treatment 60 d 80 d 100 d 120 d 140 d A1B1 16.34±0.54bB 18.49±1.02bB 22.16±0.69bB 36.76±0.41bB 42.88±0.24bB A1B2 18.91±1.78aA 20.92±0.73aA 24.44±0.52aA 37.91±0.78aAB 45.13±1.70aA A1B3 16.24±0.92bB 20.23±0.85aAB 24.10±1.01aA 38.45±1.09aA 43.88±0.45bAB A2B1 8.63±0.52dD 10.00±1.74dC 12.09±0.53cdC 13.64±0.45cC 16.60±0.39dC A2B2 9.29±0.81dCD 10.72±0.44cdC 11.38±0.59dC 13.74±0.31cC 17.90±0.62cC A2B3 10.72±0.42cC 11.80±0.40bB 12.64±0.66cC 14.01±0.27cC 17.66±0.25cdC A3B1 4.98±0.58eE 5.57±1.10eD 7.43±0.58eD 8.52±0.54dD 12.47±0.99eD A3B2 5.03±0.40eE 6.00±0.38eD 7.55±0.54eD 8.58±0.56dD 12.00±0.80eD A3B3 4.82±0.99eE 6.02±0.45eD 7.27±0.26eD 9.00±0.28dD 12.05±0.19eD A 718.10** 655.22** 1443.80** 5940.98** 5184.06** B 5.68* 6.93** 3.32 4.42* 4.71* A×B 7.98** 1.82 5.02** 1.29 3.04*