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KNO_3、Ca(NO_3)_2及NH_4NO_3对马铃薯脱毒试管苗生长的影响 被引量:1

Effect of KNO_3,Ca(NO_3)_2 and NH_4NO_3 on Virus-free Potato in Vitro
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摘要 在1/2MS培养基的基础上,分别添加不同浓度KNO3、Ca(NO3)2及NH4NO3,比较它们对早大白马铃薯脱毒试管苗生长的影响。结果表明:KNO3浓度为10 mmol/L,Ca(NO3)2和NH4NO3浓度均为20 mmol/L时,对早大白马铃薯脱毒试管苗生长有显著促进作用,脱毒试管苗生长旺盛,枝叶繁壮,有利于快繁。 Different concentration of KNO3,Ca (NO3)2 and NHtN03 were added to I/2MS medium,respectively. The effect of KNO3,Ca (N03)2 and NH4N03 on Zaodabai virus-free potato in vitro were analyzed in this paper. The results showed that when the concentration of KN03 was 10 mmol/L, concentration of Ca(N03)2 and NH4N03 were both 20 mmol/L,it had significant promoting effect on Zaodabai virus-free potato in vitro.Virus-free potato in vitro grew exuberant and in leafy profusion, and it was beneficial to rapid propagation.
作者 郭晶 刘志文
出处 《现代农业科技》 2013年第4期70-71,共2页 Modern Agricultural Science and Technology
基金 大连市科学技术基金项目(2010J21DW015)
关键词 硝酸钾 硝酸钙 硝酸铵 马铃薯脱毒苗 KNO3 Ca(NO3)2 NH4NO3 virus-free potato in vitro
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