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9 叶片、枝条、土壤钾含量与果实产量、品质间的相关性

Table 9 Correlation between potassium content in leaves or twigs or soil and fruit yield and quality

成分 Parameter 产量 Yield 单果重 SFW TSS TA TSS/TA Vc 果皮厚度Thickness 硬度Firmness 春梢叶片钾含量 Potassium content in spring leaves 0.449 0.641* 0.228 0.210 -0.015 -0.175 -0.033 0.493* 春梢枝条钾含量 Potassium content in spring twigs 0.630* 0.815** 0.458 0.144 0.012 0.090 -0.368 0.292 秋梢叶片钾含量 Potassium content in autumn leaves 0.648** 0.631* 0.598** -0.011 0.250 0.373 -0.455 -0.048 秋梢枝条钾含量 Potassium content in autumn twigs 0.743** 0.693** 0.641** 0.100 0.216 0.382 -0.489* -0.048 土壤速效钾含量 Soil available potassium content 0.059 -0.189 0.002 -0.415 0.099 0.417 -0.199 -0.693**