Zobrazeno 1 - 10
of 134
pro vyhledávání: '"J. M. Waller"'
Publikováno v:
Journal of Phytopathology. 156:274-280
Twenty-six isolates of Colletotrichum kahawae, the causal agent of coffee berry disease, from coffee in Africa, and 25 isolates, mostly of Colletotrichum gloeosporioides, from coffee and other tropical perennial crops, were examined for the ability t
Autor:
D. M. Masaba, J. M. Waller
Publikováno v:
International Journal of Pest Management. 52:89-96
Data from previous trials that have been re-evaluated indicate that low levels of coffee berry disease on unsprayed coffee are associated with higher populations of microflora on coffee tissues. Samples were taken at different seasons and altitudes,
Plant diseases and pests are a major constraint to agricultural production despite the various measures used to control them. Chemical control, although often e~~ective, may pose environmental hazards and is relatively expensive, especially in develo
Autor:
J. M. Waller, R. K. Eby
Publikováno v:
Advances in X-ray Analysis. 38:517-529
A normal coordinate approach was used to generate ciystallographic packing candidates of a multitorsional polyimide synthesized from 3,3′,4,4′-benzophenonetetracarboxylic acid (BTDA) and 2,2-dimethyl-l,3-(4-aminophenoxy)propane (DMDA) (PI-2). Can
Autor:
J. M. Waller, C. T. Nichols, D. J. Wentzel, R. L. Saulsberry, Donald O. Thompson, Dale E. Chimenti
Publikováno v:
AIP Conference Proceedings.
Broad‐band modal acoustic emission (AE) was used to characterize micromechanical damage progression in uniaxial IM7 and T1000 carbon fiber‐epoxy (C/Ep) tows, and a helical and hoop‐wrapped IM7 composite overwrapped pressure vessel (COPV). To ex
Publikováno v:
Mycological Research. 97:989-994
A range of Colletotrichum isolates from coffee, including the coffee berry disease (CBD) pathogen, and representative isolates of C. gloeosporioides from some other tropical crops are compared. Isolates of the CBD pathogen taken from across its range
Publikováno v:
AIP Conference Proceedings.
Acoustic emission (AE) data acquired during intermittent load hold tensile testing of epoxy impregnated Kevlar® 49 (K/Ep) composite strands were analyzed to monitor progressive damage during the approach to tensile failure. Insight into the progress
Publikováno v:
Tropical Pest Management. 38:160-163
Cashew production in Tanzania has declined dramatically since the mid‐1970s. Changes in socioeconomic factors have Influenced this, but previous work has shown that cashew tree yields have been substantially reduced by the occurrence of powdery mil
Publikováno v:
Clinical and experimental dermatology. 33(6)