[Objective] In order to seek the way of high quality and high yield of oilseed rape.[Method] Soil culture experiment was used in this research.1% （mass fraction） KCl solution was sprayed to the stems and leaves of o...[Objective] In order to seek the way of high quality and high yield of oilseed rape.[Method] Soil culture experiment was used in this research.1% （mass fraction） KCl solution was sprayed to the stems and leaves of oilseed rape in full blooming stage while 1.17% （mass fraction） K2SO4 solution and clear water were used for comparison,sampling in initial silique stage and harvest stage were conducted to detect photosynthate,soluble sugar and free amino acids content.[Result] The results showed that compared with spraying clear water,spraying KCl solution increased the contents of chlorophyll a in functional leaves,the contents of free amino acids and soluble sugar in leaves,stems and silique,and the total amounts of them all in initial silique stage but decreased the contents of free amino acids and soluble sugar in leaves and stems,and the total amounts of them all in harvesting stage,increased the average grain yield 10.20%,increased the average contents of oil,oleinic acid and linoleic acid in rapeseed 4.40%,10.60% and 11.40% respectively,decreased the content of protein,erucic acid and glucosinolate in rapeseed 5.10%,9.70% and 3.70% respectively.No significant difference between spraying K2SO4 solution and spraying clear water,significant difference between them all and spraying KCl solution.[Conclusion] The experimental results provided theoretical basis for increasing oilseed rape yield and quality researches.展开更多
为分析钾肥种类和施钾时期对油葵产量以及品质的影响,选取油葵杂交品种陇葵杂3号,采用2因素3水平(2个钾肥种类:氯化钾(F1)、硫酸钾(F2);3个施钾时期:全部种前基施(T1)、50%基施+50%现蕾期追施(T2)、25%基施+50%现蕾期追施+25%花期追施(T...为分析钾肥种类和施钾时期对油葵产量以及品质的影响,选取油葵杂交品种陇葵杂3号,采用2因素3水平(2个钾肥种类:氯化钾(F1)、硫酸钾(F2);3个施钾时期:全部种前基施(T1)、50%基施+50%现蕾期追施(T2)、25%基施+50%现蕾期追施+25%花期追施(T3))随机区组试验设计,于2014-2016年在甘肃省景泰条山农场进行田间试验。结果表明:KCl和K 2 SO 4这两个钾肥品种的盘径、千粒重、粗脂肪含量、产油量、亚麻酸含量间没有明显的差异。与施用K 2 SO 4相比,施用KCl的产量在2014年显著增加,F1T2的产量较F2T2增加了4.96%,F1T3较F2T3增加了4.06%。出仁率、油酸含量在2015年和2016年显著增加,F1T1的出仁率较F2T1在2015年和2016年分别增加了1.50%、2.99%,F1T2的出仁率较F2T2在2015年和2016年分别增加了1.76%、19.7%;2015年F1T2的油酸含量较F2T2增加了5.92%;2016年F1T3的油酸含量较F2T3增加了9.09%。粗蛋白含量在2014年和2016年显著降低,F2T3的粗蛋白含量较F1T3在2014年和2016年分别增加了9.95%、8.87%。粗蛋白产量在2016年显著降低,F2T3的粗蛋白产量在2016年较F1T3增加9.29%。亚油酸含量在2015年和2016年显著降低,F1T3的亚油酸含量较F2T3在2015年和2016年分别增加了3.17%和3.03%。施钾时期对油葵的盘径、亚麻酸含量没有显著影响,但对油葵的千粒重、出仁率、产量、蛋白质含量、蛋白质产量、粗脂肪含量、产油量、油酸、亚油酸影响显著。钾肥的最佳施用时期为基施。油葵产量与盘径、千粒重、出仁率均有显著的正相关关系,油酸和亚油酸之间存在负相关关系。展开更多
基金Supported by National Natural Science Foundation of China(30971860 )The Industry Technology System of Rapseed Construction Projects in China (nyctx-00509)+1 种基金Major projects in Hunan Province (2009FJ1006-1 and 2009FJ1006-3)Open Foundation of Innovation Platform in Hunan College(09K049)~~
文摘[Objective] In order to seek the way of high quality and high yield of oilseed rape.[Method] Soil culture experiment was used in this research.1% （mass fraction） KCl solution was sprayed to the stems and leaves of oilseed rape in full blooming stage while 1.17% （mass fraction） K2SO4 solution and clear water were used for comparison,sampling in initial silique stage and harvest stage were conducted to detect photosynthate,soluble sugar and free amino acids content.[Result] The results showed that compared with spraying clear water,spraying KCl solution increased the contents of chlorophyll a in functional leaves,the contents of free amino acids and soluble sugar in leaves,stems and silique,and the total amounts of them all in initial silique stage but decreased the contents of free amino acids and soluble sugar in leaves and stems,and the total amounts of them all in harvesting stage,increased the average grain yield 10.20%,increased the average contents of oil,oleinic acid and linoleic acid in rapeseed 4.40%,10.60% and 11.40% respectively,decreased the content of protein,erucic acid and glucosinolate in rapeseed 5.10%,9.70% and 3.70% respectively.No significant difference between spraying K2SO4 solution and spraying clear water,significant difference between them all and spraying KCl solution.[Conclusion] The experimental results provided theoretical basis for increasing oilseed rape yield and quality researches.
文摘为分析钾肥种类和施钾时期对油葵产量以及品质的影响,选取油葵杂交品种陇葵杂3号,采用2因素3水平(2个钾肥种类:氯化钾(F1)、硫酸钾(F2);3个施钾时期:全部种前基施(T1)、50%基施+50%现蕾期追施(T2)、25%基施+50%现蕾期追施+25%花期追施(T3))随机区组试验设计,于2014-2016年在甘肃省景泰条山农场进行田间试验。结果表明:KCl和K 2 SO 4这两个钾肥品种的盘径、千粒重、粗脂肪含量、产油量、亚麻酸含量间没有明显的差异。与施用K 2 SO 4相比,施用KCl的产量在2014年显著增加,F1T2的产量较F2T2增加了4.96%,F1T3较F2T3增加了4.06%。出仁率、油酸含量在2015年和2016年显著增加,F1T1的出仁率较F2T1在2015年和2016年分别增加了1.50%、2.99%,F1T2的出仁率较F2T2在2015年和2016年分别增加了1.76%、19.7%;2015年F1T2的油酸含量较F2T2增加了5.92%;2016年F1T3的油酸含量较F2T3增加了9.09%。粗蛋白含量在2014年和2016年显著降低,F2T3的粗蛋白含量较F1T3在2014年和2016年分别增加了9.95%、8.87%。粗蛋白产量在2016年显著降低,F2T3的粗蛋白产量在2016年较F1T3增加9.29%。亚油酸含量在2015年和2016年显著降低,F1T3的亚油酸含量较F2T3在2015年和2016年分别增加了3.17%和3.03%。施钾时期对油葵的盘径、亚麻酸含量没有显著影响,但对油葵的千粒重、出仁率、产量、蛋白质含量、蛋白质产量、粗脂肪含量、产油量、油酸、亚油酸影响显著。钾肥的最佳施用时期为基施。油葵产量与盘径、千粒重、出仁率均有显著的正相关关系,油酸和亚油酸之间存在负相关关系。
