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More commonly known as a “rust,” this pathogen typically affects cotton leaves, which can decrease the quality of the boll at time of harvest. As large percentages of cotton in the United States are resistant to various rust varieties, there is little economic importance to this disease. In places where rust is prevalent, however, growers ...
Puccinia horiana is a microcyclic, autoecious rust, meaning that the fungus has two known spore stages: teliospores and basidiospores, as well as no known alternate host. [6] Similar to other microcyclic rusts, two-celled teliospores produce unicellular basidiospores which are then dispersed via air currents.
Puccinia asparagi is the causative agent of asparagus rust.It is an autoecious fungus, meaning that all stages of its life cycle – pycniospores, aeciospores, and teliospores – all develop upon the same host plant [1] [2] [3]. [4]
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The use of resistant maize hybrids is the best way to manage P. sorghi. There are two types of resistance that exist. [9] The first is partial resistance which results in fewer rust spots by reducing germination rate. This type of resistance makes P. sorghi less severe by slowing down development of number of urediniospores. The other type of ...
Plant breeders emphasize selection and development of disease-resistant plant lines. Plant diseases can also be partially controlled by use of pesticides and by cultivation practices such as crop rotation , tillage, planting density, disease-free seeds and cleaning of equipment, but plant varieties with inherent (genetically determined) disease ...
Numerous single genes for leaf rust resistance have since been identified. Leaf rust resistance gene is an effective adult-plant resistance gene that increases resistance of plants against P. recondita f.sp. tritici (UVPrt2 or UVPrt13) infections, especially when combined with genes Lr13 and gene Lr34 (Kloppers & Pretorius, 1997 [3]).
Plant Image Pests Artemisias: repels insects, [2] including ants, cabbage looper, cabbage maggot, carrot fly, codling moth, flea beetles, whiteflies, the Cabbage White, and the Small White, as well as mice [3] Basil: repels flies, including mosquitoes [2] [4] the carrot fly, asparagus beetles and whiteflies [3] Borage: repels tomato hornworm ...
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