Abstract
The effects of clone and leaf position within a shoot on percent defoliation by a leaf-cutting bee (Hymenoptera: Megachilidae), were examined. Seven Populus clones ( Populus × euramericana ‘Norway’, ‘Robusta’, and ‘Imperial’; Populus × jackii ‘Northwest’; Populus fremontii var. wislizenii Wats. ‘Rio Grande’; Populus deltoides var. ‘Siouxland’; Populus deltoides × Populus nigra ‘Italica’-14271) were tested for their susceptibility to leaf-cutting bees. Defoliation measurements were taken for each individual leaf position for one shoot of each tree for four sampling periods. A two-way ANOVA was used to test for the effects of clone and leaf position on defoliation. There were significant differences among the clones. Leaf positions 7–9 were more heavily defoliated than any other leaf position. Leaf position preferred by leaf-cutting bees varied consistently among Populus clones.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
