Philip B Hamm
Overview
Explore the profile of Philip B Hamm including associated specialties, affiliations and a list of published articles.
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16
Citations
35
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Recent Articles
1.
Dung J, Duringer J, Kaur N, Scott J, Frost K, Walenta D, et al.
Phytopathology
. 2020 Nov;
111(5):831-841.
PMID: 33141647
Ergot, caused by sensu lato, is an economically important seed replacement disease of Kentucky bluegrass () and perennial ryegrass () seed crops. sensu stricto is considered the primary species responsible,...
2.
Johnson D, Alldredge J, Hamm P
Plant Dis
. 2019 Mar;
82(6):642-645.
PMID: 30857014
A regional potato late blight forecasting system for irrigated potatoes in the semiarid environment of the Columbia Basin was expanded by developing specific forecasting models for four vicinities throughout the...
3.
Geary B, Johnson D, Hamm P, Cummings T
Plant Dis
. 2019 Mar;
83(6):512-515.
PMID: 30849824
Chlorothalonil was applied to commercial potato fields of cvs. Russet Norkotah and Russert Burbank in replicated trials through either a center-pivot irrigation system or a spray-boom-attached-to-the-pivot system. Water rates were...
4.
Hamm P, Clough G
Plant Dis
. 2019 Mar;
83(5):441-444.
PMID: 30845535
The effect of application method by aircraft (fixed wing), ground, and chemigation on deposition of chlorothalonil in a potato canopy was compared over 2 years. Initial chlorothalonil deposition was greatest...
5.
Johnson D, Cummings T, Hamm P
Plant Dis
. 2019 Mar;
84(4):399-402.
PMID: 30841160
The cost of managing potato late blight with fungicides in the Columbia Basin of Washington and Oregon in 1996 to 1998 was documented and compared with the cost of managing...
6.
Hamm P, Ingham R, Jaeger J, Swanson W, Volker K
Plant Dis
. 2019 Mar;
87(12):1449-1456.
PMID: 30812386
During three years of trials in commercial production fields, populations of three genera of potato pathogens, Fusarium spp, Pythium spp, and Verticillium dahliae, were followed before and after the single...
7.
Geary B, Johnson D, Hamm P, James S, Rykbost K
Plant Dis
. 2019 Feb;
91(3):315-320.
PMID: 30780566
The effectiveness of various seed-tuber treatments was evaluated for control of silver scurf on potato (Solanum tuberosum), caused by Helminthosporium solani, at four locations in Washing-ton and Oregon using seed-tubers...
8.
Alderman S, Walenta D, Hamm P, Martin R, Dung J, Kosman E
Plant Dis
. 2019 Jan;
99(10):1410-1415.
PMID: 30690988
In Kentucky bluegrass (Poa pratensis), Claviceps purpurea, the causal agent of ergot, typically releases ascospores during the early-morning hours, between about midnight and 10:00 a.m., corresponding to time of flowering,...
9.
Dung J, Alderman S, Kaur N, Walenta D, Frost K, Hamm P
Plant Dis
. 2019 Jan;
101(6):895-906.
PMID: 30682939
Claviceps purpurea, the causal agent of ergot of perennial ryegrass seed crops, overwinters as sclerotia in the soil and releases airborne ascospores in the spring that infect flower ovaries and...
10.
Funke C, Nikolaeva O, Green K, Tran L, Chikh-Ali M, Quintero-Ferrer A, et al.
Plant Dis
. 2019 Jan;
101(1):20-28.
PMID: 30682299
Potato virus Y (PVY) is a serious threat to potato production due to effects on tuber yield and quality, in particular, due to induction of potato tuber necrotic ringspot disease...