Variation in leaf length, different leaf widths, leaf area, and the ratio of length/width in the F<sub>1</sub> progeny of <i>Populus deltoides</i> × <i>Populus simonii</i> based on a randomized complete block design.
Variation in leaf length, different leaf widths, leaf area, and the ratio of length/width in the F1 progeny of Populus deltoides × Populus simonii based on a randomized complete block design.</p