Now showing items 1-5 of 416

    • Consumer ‘Extended Weed Control’ Products: Nothing is Foolproof! 

      Senesac, Andy (Cornell University Department of Plant Pathology and Plant-Microbe Biology, 2016-07-15)
      The study evaluated four ready-to-use products available to homeowners that offer postemergence weed control and additional ‘extended control’. In the study these extended control products were applied to the base of four ...
    • Wasted Woodchips? What To Do? 

      Hudler, George (Cornell University Department of Plant Pathology and Plant-Microbe Biology, 2015-06-12)
      One big question that overshadows any efforts to use chips as mulch is whether or not those chips?-?if from a diseased tree?-?pose any threat to the health of the trees that are otherwise expected to benefit from the ...
    • What is Making My Spruce Tree Drop its Needles? 

      Dailey O'Brien, Dawn (Cornell University Department of Plant Pathology and Plant-Microbe Biology, 2013-08-09)
      Spruce trees are susceptible to a variety of needle diseases that cause their needles to shed which can severely affect their aesthetic value and the health of the tree. Spruces can become more susceptible to diseases and ...
    • Viburnum Pests 

      Dailey O'Brien, Dawn (Cornell University Department of Plant Pathology and Plant-Microbe Biology, 2016-04-29)
      Common insect pests of viburnums include the black bean aphid (Aphis fabae) and the snowball aphid (Neoceruraphis viburnicola), Viburnum Leaf Beetle (Pyrrhalta viburni), the viburnum clearwing borer (Synanthedon viburni) ...
    • Rhododendron Problems: More Than Just Phytophthora 

      Mills, Jody (Cornell University Department of Plant Pathology and Plant-Microbe Biology, 2017-07-21)
      Although Phytophthora can be devastating to rhododendrons there are a variety of other problems that are actually more common.Cultural and site-related problems include interveinal chlorosis and desiccation injury. Disease ...