Browsing Plant Disease, 1997 - present by Title

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  • Ferreira, Stephen A. (University of Hawaii, 1998-10)
    This is a brief, general guide to the subject.
  • Nelson, Scot; Schmitt, Donald; Smith, Virginia Easton (University of Hawaii, 2002-10)
    This publication combines handout materials developed for workshops for coffee growers.
  • Nelson, Scot C. (University of Hawaii, 2008-08)
    Wet weather during flowering favors this disease and can severely limit fruit bearing. Symptoms are illustrated and control options, including fungicides, are discussed.
  • Nelson, Scot C. (University of Hawaii, 2008-08)
    Unlike anthracnose, which affects mango in wet areas, the powdery mildew fungus occurs primarily in dry areas and must be controlled during flowering to obtain acceptable fruit yields.
  • Nelson, Scot (University of Hawaii, 2005-07)
    Identification, prevention, and control of this nematode pest on noni, an important Hawaiian medicinal plant, are discussed.
  • Nelson, Scot (University of Hawaii, 2008-10)
    This is perhaps the most important of the various fungal diseases affecting papaya in Hawaii. Symptoms are illustrated and control options discussed; fungicides are listed.
  • Schmitt, Donald P.; Sipes, Brent S. (University of Hawaii, 1998-12)
    This is a general guide to nematode pests, including those present in Hawaii. Methods of sampling for nematode assay are described.
  • Nelson, Scot (University of Hawaii, 2009-01)
    Plumeria is important to Hawaii's ornamental landscape and lei flower industries. This disease was first noted affecting plumeria leaves and causing defoliation in 1991. Control options are discussed.
  • Nelson, Scot (University of Hawaii, 2008-10)
    Various fungal diseases affect banana plants, but the most economically important ones limit marketability of the fruits. Practices to reduce disease incidence are described.
  • Nelson, Scot; Patnude, Erik (University of Hawaii, 2012-07)
    This publication illustrates the importance of potassium in palms. It provides photos of symptom and discusses causes, prevention and treatment of potassium deficiency.
  • Cunningham, Brennen; Nelson, Scot (University of Hawaii, 2012-07)
    This article describes the history of powdery mildew on papaya in Hawaii, as well as biology, ecology, symptoms, and treatment.
  • Wang, Koon-Hui; Hooks, Cerruti R2; Ploeg, Antoon (University of Hawaii, 2007-07)
    Tagetes spp. suppression of nematodes and uses in cropping systems are described as alternatives to synthetic nematicides, which are expensive, increasingly unavailable, and have negative effects on other soil organisms.
  • Nelson, Scot (University of Hawaii, 2005-07)
    Good field sanitation, pruning to encourage ventilation, and use of copper fungicides or other registered products are advised to control this rot.
  • Nelson, Scot (University of Hawaii, 2009-02)
    Symptoms on Okinawan sweetpotato are shown, and integrated practices designed to minimize losses to farmers and marketers are recommended.
  • Dorman, Miriam; Nelson, Scot (University of Hawaii, 2012-04)
    This article discusses the symptoms and cause of root-knot disease of curcubits in Hawai‘i and suggests ingegrated management practices to limit crop loss and damage.
  • Nelson, Scot (University of Hawaii, 2005-09)
    This non-native rust fungus affects several native Hawaiian species of Abutilon.
  • Nelson, Scot (University of Hawaii, 2008-11)
    West Indian lemongrass (Cymbopogon citratus) is primarily grown as an ornamental and garden herb in Hawaii. This disease was first reported here in 1985; chemical control is limited to one registered product, the efficacy ...
  • Nelson, Scot (University of Hawaii, 2012-06)
    This study discusses symptoms and signs of rust of tree heliotrope, the pathogenic fungus that causes it, and suggestions for integrated practices for managing the disease.
  • Nelson, Scot (University of Hawaii, 2009-01)
    This rust of the native Hawaiian forest tree Acacia koa causes a witches' broom symptom on branch terminals. Symptoms caused by the various spore types of the fungus are listed.
  • Nelson, Scot (University of Hawaii, 2009-01)
    This disease first caused significant kava crop losses in Hawaii in the early 2000s, as large monocrops were established. Management by variety choice, site selection, polycropping, and fungicide sprays is described.
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