摘要
采用土培法研究不同浓度的苯甲酸钠、山梨酸钾对玉米幼苗生长发育的影响,初步探讨食品防腐剂可能对作物生长造成的危害。结果显示:当浓度为2.0g/L时,两种防腐剂对玉米幼苗生长发育均呈现促进作用;随着浓度增加,两种防腐剂对幼苗的生长均呈现抑制作用,当浓度为8.0g/L时,抑制作用达到差异显著水平。总之,两种防腐剂对玉米幼苗的生长表现为低浓度促进,高浓度抑制现象;抑制玉米幼苗生长的警示浓度均为8.0 g/L;相同浓度下,山梨酸钾的抑制作用强于苯甲酸钠。
Influence of potassium sorbate and sodium benzoate with different concentrations on the growth and development of maize seedlings was trial explored by soil culture method. The results showed that the two preservatives have promoted the seeding growth at low concentration of 2.0g/L, but inhibited at high concentration, and the inhibition reached to be significant at 8.0g/L. In general, both the two food preservatives have promotion effect on the growth of maize seedlings at low concentration, but inhibition at high concentrations.The harmful warning concentration of the two preservatives to maize seedlings is 8 g/L, and the inhibition of potassium sorbate is more obvious than sodium benzoate at same concentration.
出处
《吉林农业科学》
CSCD
北大核心
2014年第3期11-13,35,共4页
Journal of Jilin Agricultural Sciences
基金
河南省教育厅自然科学基础研究计划项目(12A180029)
河南省高等学校青年骨干教师资助计划项目(教高〔2012〕704号)
周口师范学院大学生创新基金项目(zksydxs2013002)
关键词
苯甲酸钠
山梨酸钾
玉米
幼苗
生长发育
Sodium benzoate
Potassium sorbate
Maize
Seedling
Growth and development
