MA Yan-hua,SUN De-quan,LI Sui-yan,et al.Correlation Analysis between Rind Penetration Resistance and Morphological Characters and Chemical Components in Maize Stalk[J].HEILONGJIANG AGRICULTURAL SCIENCES,2012,(04):1-4.
玉米茎皮抗穿刺强度与形态性状和化学成分含量间的相关分析
- Title:
- Correlation Analysis between Rind Penetration Resistance and Morphological Characters and Chemical Components in Maize Stalk
- 文章编号:
- 1002-2767（2012）04-0001-04
- Keywords:
- maize; rind penetration resistance; morphological characters of stalk; chemical component contents; correlation analysis
- 分类号:
- S513.034
- 文献标志码:
- A
- 摘要:
- 为探讨影响玉米茎秆强度高低的重要因素，选用3个不同抗倒伏类型玉米品种对茎秆地上部第三节抗穿刺强度与茎秆形态性状、化学成分含量的相关关系进行研究。结果表明：3个品种的穗位高和节间短轴直径比其它形态性状有更大差异，抗倒性强的德美亚1号的抗穿刺强度最高，抗倒性弱的垦玉6号地上部第三节茎皮的酸性木质素、酸性洗涤纤维及中性洗涤纤维含量均最低。说明茎皮抗穿刺强度与穗位高呈极显著的负相关,与酸性洗涤木质素和酸性洗涤纤维含量呈显著正相关。因此，在选育玉米抗倒伏品种时，应对这3个主要特征加以重视。
- Abstract:
- In order to investigate the influencing factors of stalk strength,relationships between rind penetration resistance and morphological characters of the third internode of maize stalk above ground and the content of chemical components were investigated in maize varieties with different lodging resistance.The results were as follows:There was greater difference on the ear height and minimal diameter than on other characteristics among different varieties.Rind penetration resistance analysis indicated that the strong lodging resistance variety that Demeiya No.1 was the highest.The chemical composition analysis showed that acid detergent fiber(ADF),acid detergent lignin(ADL)and neutral detergent fiber(NDF)content of the third internode of maize stalk above ground of the weak lodging resistance variety Kenyu No.6 was the lowest.Through the above characteristics of the related analysis revealed that rind penetration resistance was significant negatively correlated with the ear height and significant positively correlated with ADL and ADF content.Therefore,in breeding maize lodging resistance varieties,attention should be paid to the above three main stalk characteristics.
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备注/Memo
基金项目：黑龙江省农业科技创新工程资助项目（2011ZD）