Results 91 to 100 of about 3,112 (203)
Recent Advances in Diagnosing and Managing Phytoplasma Diseases
AgronomyPhytoplasmas are obligate intracellular parasitic bacteria that infect over 1000 plant species globally, causing devastating diseases characterized by yellowing, witches’ broom, phyllody, and significant yield losses in economically important crops.
Zhecheng Xu +9 more
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Organic farming demonstration project—eastern Iowa [PDF]
, 2002 On-farm demonstration sites were developed in Dubuque and Jackson County to show interested producers some of the proven organic farming practices that are ...
Delate, Kathleen, Johnson, Warren
core +2 more sources
Pathogenicity strategies in the gall-forming bacterium Rhodococcus fascians
, 2006 C
Depuydt, Stephen +5 more
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Agens koji je izoliran cijepljenjem iz pitospora [Pittosporum tobira (Thunb.) Ait] bez panašire [PDF]
, 1973 A pathogen, transmissible by means of bark grafting, has been isolated from Pittosporum tobira plants showing dendritic-like vein clearing, yellowish chlorotic spots, leaf roll, terminal rosettes and leaf deformation symptoms. The material has been found
József Horváth
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The aster yellows controversy: current status.
The Yale journal of biology and medicine, 1984 Evidence for and against the spiroplasmal etiology of aster yellows (AY) disease is examined. A spiroplasma, serologically identical to Spiroplasma citri, was cultivated by some workers from lettuce (Lactuca sativa L.) plants claimed to be naturally infected with AY.
openaire +1 more source
Alaska's Food (In)Security, Climate Change and the Boreal Forest, Biomass and Hydrocarbons [PDF]
, 2010 [Geography] -- AMSA: the future of arctic marine shipping: With more shipping traffic in the north and greater marine access due to the retreat of Arctic sea ice, the Arctic states needed to develop a strategy to protect the maritime Arctic, its people ...
School of Natural Resources and Agricultural Sciences, Agricultural and Forestry Experiment Station, University of Alaska Fairbanks
core
WRR4, a broad-spectrum TIR-NB-LRR gene from Arabidopsis thaliana that confers white rust resistance in transgenic oilseed brassica crops [PDF]
White blister rust caused by Albugo candida (Pers.) Kuntze is a common and often devastating disease of oilseed and vegetable brassica crops worldwide.
Aarts +55 more
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Infection of perennial delphiniums by California-aster-yellows virus
Hilgardia, 1942 Abstract does not appear. First page follows. Introduction Several obscure diseases attack garden varieties of perennial delphiniums (hybrids and horticultural varieties of several species of Delphinium) and cause losses to seed companies, nurserymen, and growers.
openaire +2 more sources