RHUBARB

Methods
    PALMER.2009.SEED.IMAGES

    Scanner was an Epson Expression 10000XL flatbed scanner. Software is WinSEEDLE V. 2007c software with calibrated color correction, and set up the scans using the Regent Positioning System. The seed images are scanned at 400 dpi and saved in the .tif format.

    For color comparison, the Munsell ColorChecker Chart from Xrite.com is included in the seed scan screen. The Munsell color system is a color space that specifies colors based on three color dimensions, hue, value ( lightness), and chroma (color purity or colorfulness). It was created by Professor Albert H. Munsell in the first decade of the 20th century. Reference: Munsell, Albert H. (January 1912). "A Pigment Color System and Notation." The American Journal of Psychology 23: 236-244.

    PALMER.SEED.WEIGHTS
    Weight of 100 seed in grams done at Palmer, Alaska

    RHUBARB.2008.PALMER
    Measurements were taken at the Palmer Research Site in August 2008.

    For a Excel file of the 2008 Rhubarb data.

    RHUBARB.INFLORESCENCE.IMAGES
    Images of Rhubarb taken at the Palmer Research Site. Images is of the plant inflorescence.

    RHUBARB.LEAF.AXIL.IMAGES
    Images of Rhubarb taken at the Palmer Research Site. Images is of the leaf axil of the plant.

    RHUBARB.LEAF.IMAGES
    Images of Rhubarb taken at the Palmer Research Site. Image is of the plant leaf.

    RHUBARB.PETIOLE.IMAGES
    Images of Rhubarb taken at the Palmer Research Site. Image is of the petiole that is cut in three places on the petiole. Image on the left is from the base of the petiole, image in the middle is from the middle of the petiole and image on the right is from the apex of the petiole. Some image may have petiole cut length wise and some may have petioles cut cross section and some may have both cross section and length cuttings.

    RHUBARB.PLANT.IMAGES
    Images of Rhubarb taken at the Palmer Research Site. Image is of the whole plant.