小叶杨 meaning in English

simon poplar (populus simonii carr.)

For 27 - year - old p . simoniir , the reducing sugar content in phloem and xylem at different heights did not show significant difference , while it showed closely negative correlation with the ratio of damaged trees
在27年生同一品系小叶杨树中，虽然不同高度的还原糖含量差异不显著，却与被害株率呈现紧密负相关。
The reducing sugar content in the phloem and xylem of populus pseudo - simonii , p . pseudo - simonii p . nigra , p . simonii p . nigra , p . koreana , 27 and 40 - year - old p . simonii wood was analyzed by 3 , 5 - dinitrosalicylic acid colorimetry
摘要利用3 , 5 -二硝基水杨酸比色法测定小青杨、小青黑杨、小黑杨、香杨、 27年生和40年生小叶杨韧皮部和木质部的还原糖含量。