巴西香蕉叶面积与叶片形态特征关系的定量分析

采用“3414”设计方案进行田间实验，在实验观测的基础上，建立了中肥不同生育期巴西香蕉叶面积与叶长、叶宽及长宽乘积之间的定量关系，结果表明：不同生育期，巴西香蕉叶面积与叶长、叶宽及长宽乘积最佳模型Y=ax+b，具体关系如下：在营养生长期中，叶面积与叶长、叶宽及长宽乘积间定量关系分别为：A=-2 162+54.957 L、A=-2 202.687+123.919 W、A=-76.014+0.767 P；孕蕾期及抽蕾期，叶面积与叶长、叶宽及长宽乘积间定量关系分别为：A=-6 969+90.584 L、A=-6

Quantitative Analysis of Relationship Between Brazilian Banana's Leaf Area and Its Morphological Characteristics

Based on field experiments, the quantitative relationships of Brazil banana between leaf area and leaf length, leaf width, leaf length×leaf width under different developing stages under middle fertilizer applicaton were studied. The results showed that the best model of quantitative relationship above was Y=ax+b. At the vegetative growth period, the above relationship was A=-2 162+54.957 L, A=-2 202.687+123.919 W, A=-76.014+0.767 P, respectively. And at the bud formation stage or budding stage, the above relationship was A=-6 969+90.584 L, A=-6 971+231.195 W, A=-38.177+0.778 P, respectively. The test results for independent samples of 2012-2013 are satisfactory. At the vegetative growth period, the standard error of difference between simulated value and measured value of leaf area under high and low fertilizer was 298.098, 3 56.456 and 232.127 cm2/plant, respectively. Then at the bud formation stage or budding stage, the above SE of difference was 1 134.310, 3 584.610 and 1 306.924 cm2/plant, respectively. The result showed that the leaf area model of Brazil banana was interpretive and commonality. The model has certain reference value for Brazil banana's ideotype selection, the research of its structure-function relationship and the virtualization and digitalization of its growth system.