不同研究方式和方法对小麦根系活力及根质量测量准确度的影响  

Effects of Different Research Patterns and Methods on Root Vigor and Measurement Accuracy of Dry Root Weight in Wheat(Triticum aestivum L.)

作　　者：胡敏[1] 贺德先[1] 蒋向[1,2] 杨习文[1] 

机构地区：[1]河南农业大学农学院,河南郑州450002 [2]河南省农业技术推广总站,河南郑州450002

出　　处：《华北农学报》2012年第B12期127-130,共4页Acta Agriculturae Boreali-Sinica

基　　金：河南省科技创新人才计划项目(104200510013);河南省重大科技攻关项目(102101110200)

摘　　要：为增强不同研究方式和方法条件下小麦根系研究的可比性,以郑麦9023和矮抗58为材料,于2010-2011年度研究了不同研究方式和方法对根系生理活性及根质量测量值的影响。结果表明,其他条件相同时,盆栽条件下的根系活力(以鲜质量计)显著高于大田,不同生育期分别为24.607～334.839,29.362～298.834μg/(g.h)。室内培养时,不同培养基质条件下的根系活力大小顺序是水培>珍珠岩培>沙培>蛭石培>土培,不同处理间的差异达显著水平。大田和盆栽条件下,直接冲根与筛网包裹冲根处理的单株根量损失率分别为45.57%～70.25%,15.79%～34.28%,差异达极显著水平。研究认为,盆栽条件下的根系活力测定值仅可作为大田栽培条件下的一个参考;室内培养条件下,为使根系活力测定值更具有可比性,应注明培养基质种类;研究中,建议采用筛网包裹冲洗的方法以获得准确的根质量测量值。In order to comparing the effects of different methods and conditions on root research,a pot experiment with different cultivates and a field experiment by using Zhengmai 9023 and Aikang 58 was investigated in 2010-2011.Results showed that,compared to the field experimental condition,root vigor was higher in pot experimental condition.Root vigor（FW） was in a range of 24.607-334.839,29.362-298.834 μg/（g · h） in different growth stages,respectively.In a green house experiment,root vigor in different cultivate mediums was significantly different,following a order：hydroponic cultureperlite cultivatesand mediumvermiculite cultivatesoil cultivate.Under field experiment and pot culture experiment,a single root loss rate was significantly in a range of 45.7%-70.25% and 15.79%-34.28% in the direct blunt root and screen at the single root package treatments,respectively.Results showed that,root acitivity determination value in the pot experimental condition can be as a reference for that in the field experimental condition.Indoor culture condition,to make root activity determination value comparable,matrix types should be clearly indicated.A conclusion should be made that the flushing package of root could get a more accurate root weight values.

关 键 词：小麦 研究方式 研究方法 根系活力 冲洗方法 根质量测量准确度 

分 类 号：S512.01[农业科学—作物学]