CAO Hong-mei,SONG Shi-xin,XIE Zhao-sen.Establishment of Regressive Equation for Leaf Area of Blueberry[J].Northern Horticulture,2014,38(24):1-6.
蓝莓叶面积测定回归方程的建立
- Title:
- Establishment of Regressive Equation for Leaf Area of Blueberry
- 文章编号:
- 1001-0009(2014)24-0001-06
- Keywords:
- blueberry; leaf area; regression equation
- 分类号:
- S 663.9
- 文献标志码:
- A
- 摘要:
- 以“美登”、“北陆”、“蓝丰”3个蓝莓品种叶片为试材,研究了不同品种叶片长（x1）、叶片宽（x2）、叶片重（x3）、叶片长×叶片宽与叶面积（y）的关系，并建立了一元和二元回归方程。结果表明：3个蓝莓品种的叶片长、叶片宽、叶片重、叶片长×叶片宽与叶面积均呈正相关关系，并建立了一元回归方程；同时建立了叶片长和叶片宽、叶片长和叶片长×叶片宽、叶片宽和叶片长×叶片宽与叶面积关系的二元拟合方程；从建立的3个蓝莓品种叶面积回归方程来看，叶面积回归方程的复相关系数均呈极显著水平，在生产中均可作为测算3个蓝莓品种叶面积的回归方程。
- Abstract:
- Taking the leaves of ‘Blomidon’,‘Northland’ and ‘Bluecrop’ blueberry as test materials,the relationship between leaf area(leaf length×leaf width) (y) and the growth indexes include leaf length (x1),leaf width (x2),leaf weight (x3) were studied.The results showed that length,leaf width,leaf weight,leaf length×leaf width and leaf area of 3 blueberry varieties were positively correlated.A simple regression equation,and fitting equation between leaf area (y) and leaf length (x1),leaf area (y) and leaf width (x2),leaf area (y) and leaf weight (x3),leaf area (y) and leaf length×leaf width were established.After data analysis,the correlation coefficient and multiple correlation coefficients were at very significant level,thus the leaf area regression equation could be used to estimate blueberry leaf area.
参考文献/References:
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备注/Memo
第一作者简介：曹红梅（1978-），女，硕士研究生，研究方向为果树生理。