When coffee is grown without shade, as it is in Hawaii, weed management in the understory can be a problem. Careful use of systemic herbicides such as glyphosate is required. Symptoms of herbicide damage are illustrated.
Nelson, Scot; Friday, JB(University of Hawaii, 2009-01)
This publication discusses the korthal mistletoes, which are functional components of natural ecosystems in Hawaii, as parasitic seed plants capable of inducing disease in their woody hosts, including many native species.
Keith, Lisa; Ko, Wen-hsiung; Sato, Dwight M(University of Hawaii, 2006-10)
Tea is a relatively new crop in Hawaii. This publication describes five diseases, three of which are not yet present here but could be serious problems if introduced. The guide is intended to help tea growers identify the ...
Uchida, Janice Y; Silva, James A; Kadooka, Chris Y(University of Hawaii, 2002-08)
Causes of pocket rot and other fungal infections of taro corm are discussed. Careful attention to planting only disease-free huli (propagules) is emphasized.
Problems with kava production in Hawaii include kava dieback viral disease, Pythium root rot, root-knot nematode, Phoma shot hole, melon aphids, node rot, weeds, and various other pests are described. Recommended IPM and ...
Numerous problems can beset landscape plantings. Mismatching of plants and growing conditions, lack of attention to irrigation, installation of poorly grown and planted materials, and other avoidable situations are described.
This fungal pathogen causes devastation of many crops worldwide. In Hawaii it can be severe in locations that experience cool, rainy, and humid conditions; locations or seasons where these prevail should be avoided for ...
Wet weather during flowering favors this disease and can severely limit fruit bearing. Symptoms are illustrated and control options, including fungicides, are discussed.
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.
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.
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.
Various fungal diseases affect banana plants, but the most economically important ones limit marketability of the fruits. Practices to reduce disease incidence are described.
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.