施钾水平对纽荷尔脐橙养分、产量和品质的影响

张绩,李俊杰,万连杰,杨江波,郑永强,吕强,谢让金,马岩岩,邓烈,易时来

Effects of Potassium Application Levels on Nutrient, Yield and Quality of Newhall Navel Orange

ZHANG Ji,LI JunJie,WAN LianJie,YANG JiangBo,ZHENG YongQiang,LÜ Qiang,XIE RangJin,MA YanYan,DENG Lie,YI ShiLai

表6 施钾对纽荷尔脐橙果实内在品质的影响

Table 6 Effects of potassium application on fruit intrinsic quality of Newhall navel orange fruit

处理 Treatment 可溶性糖 TSS (%) 可滴定酸 TA (%) 固酸比 TSS/TA 可溶性糖 Soluble sugar (%) 维生素C Vitamin C (mg?L-1) K0 11.68±0.50ab 1.07±0.10ab 10.91±0.63bc 5.81±0.30a 553.19±29.67a K1 11.95±0.33ab 0.91±0.09c 12.59±1.88a 5.61±0.32a 568.87±16.12a K2 11.43±0.39b 1.05±0.05ab 10.52±1.07bc 5.46±1.00a 574.77±32.61a K3 12.14±0.42a 1.11±0.08ab 10.99±0.44bc 5.68±0.16a 582.52±20.74a K4 11.46±0.21b 1.14±0.05a 10.06±0.45c 5.78±0.51a 543.58±62.83a K5 11.90±0.49ab 1.01±0.10bc 11.89±0.83ab 6.00±0.28a 533.47±54.31a