tag:blogger.com,1999:blog-25909476.post8001189348551880403..comments2023-08-05T04:09:46.370-07:00Comments on Minimum Exposure: UndecidedNataliehttp://www.blogger.com/profile/04123455962036602124noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-25909476.post-75299101164064636872008-12-20T19:54:00.000-08:002008-12-20T19:54:00.000-08:00Natalie,My initial guess would be that the differe...Natalie,<BR/><BR/>My initial guess would be that the different levels of exposure to the sun (caused by the two ends of the leaf being shaded by other leaves) is what caused the change in color, but I could be wrong.<BR/><BR/>A quick Google search pulled up the following link (it's a pretty informative article): http://www.umext.maine.edu/onlinepubs/htmpubs/7078.htm<BR/><BR/>PPhilliphttps://www.blogger.com/profile/01005406116882743109noreply@blogger.com