1) the percentage of diseased leaf
病叶率
1.
The degree of yield loss was relevant to the percentage of diseased leaf and its severity.
病害引起的产量损失与病叶率及其严重度有关，经相关及回归分析发现，产量损失率与病叶率及其严重度乘积成线性相关关系，据此得产量损失模型ｙ＝５。
2) percentage of diseased leaves
致病叶率
3) diseased leaved rate and diseased fruit rate
病叶率与病果率
4) ratio of affected needles
针叶感病率
1.
Significant difference of the ratio of affected needles among families was found and excellent effect of the resistant breeding against brown spot needle blight was achieved.
结果表明,针叶感病率性状在各家系间呈极显著差异,抗病选育具有良好的效果。
6) blade rate
叶率
1.
Shaft frequency, blade rate and number of blades of underwater targets are well known intrinsical discriminative features, and are important clues for classification .
螺旋桨轴频、叶率和叶片数是目标的本质性、鉴别性特征 ,是分类的重要线索。
补充资料：病叶
1.败残之叶。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条