Ascochyta leaf blight campanula11/28/2023 Stem canker doesn’t show symptoms until well into the reproductive stages of growth. There are some late-season diseases to look out for in soybean crops. The quality and size of your yield depend on the severity of the disease. Small grains such as wheat may display symptoms of diseases such as head scab, black chaff, and Stagonospora glume. Recent developments have led to improved management practices, such as using disease resistance species. Yield-limiting plant diseases do not become problematic until the reproductive stages of development, which means there is little benefit to early season fungicide applications.įorage grasses are susceptible to a variety of leaf, stem, floral, and root diseases. Some common diseases to look for in corn include gray leaf spot and corn ear rot. To make the right decisions about the controls to use, you need to have first-hand knowledge of the condition of the crops or forages in the field. You can also turn to professional crop advisers or agronomy scouts for further guidance. There is plenty of information available for producers to increase their knowledge base, such as the Penn State Agronomy Guide. ![]() It’s also essential to have control procedures available. Successful disease control requires correct identification and knowledge of the cause and life cycle of the disease. Field Crop and Forage Plant DiseasesĪ wide variety of diseases attack field and agronomic crops and forages. Plant pathogens include fungi, fungal organisms, viruses, bacteria, phytoplasmas, viroids, parasitic higher plants, and nematodes.īeing able to quickly and accurately diagnose plant health gives you the best possible chance to solve any issues before losing the plant. These pathogens can spread from plant to plant and affect all parts of the plant, including roots, tubers, leaves, shoots, stems, crowns, fruit, and vascular tissue. ![]() These diseases are not infectious and include nutritional deficiencies, salt injury, ice, sun scorch, or soil compaction.īiotic diseases are caused by living organisms, otherwise known as plant pathogens. Plant disease is “anything that prevents the plant from performing to its maximum potential.” We classify plant diseases as either abiotic or non-infectious diseases and biotic or infectious diseases.Ībiotic diseases are those caused by external conditions rather than living agents. ![]() You’ll also find tips on integrated pest management and herbicide summaries. In this section, find information on plant disease identification and control, including rot, freeze damage, rust, blight, mold, scales, bacteria, viruses, fungus, wilt, mildew, gall, mites, moths, and cankers. Preventing and controlling plant diseases is key to growing healthy plants.
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