Tip Growth of Yellow Small 320×297 Medium 640×595 Large 1024×951 Download Tiff Original 2400×2230 | (2.3 MB) Description Illustrated is "tip growth" of yellows. It is the yellowing of foliage caused by physiological diseases. Keywords physiological disease, plant disease, tip growth of yellows, yellowing of foliage Galleries Flowers and Shrubs: T-V Source: L. H. Bailey Standard Cyclopedia of Horticulture (New York, New York: The MacMillan Company, 1917)