strawberry fruit diseases

02/12/2020
strawberry fruit diseases

The fungus infects all aerial parts of the plant; however, most economic damage occurs when flowers and fruit are affected, occasionally resulting in yield losses greater than 50%. Unlike botrytis, rain and irrigation discourage powdery mildew. The fungal pathogen Botrytis cinerea causes grey mould, a commercially damaging disease of strawberry. Septoria fragariaecola, Pythium ultimum Verticillium dahliae, Pratylenchus coffeae Aphids (greenfly) are sometimes troublesome; they can be checked by spraying with a nicotine and soft soap solution.. Slugs and snails are particularly fond of eating ripening strawberry fruits - so protect the plants aginst these In Florida, this fungus affects fruit before and after harvest, causing pre-harvest losses in the field and infection during storage and transit at refrigeration temperatures. = Penicillium cyclopium After transplanting, spores on old dying leaves can colonize emerging leaves without visible symptoms. Penicillium glabrum More than 30 viruses and virus-like diseases have been reported in strawberry. Gray mold, caused by the fungus Botrytis cinerea, is the most important disease on strawberry fruit. As the epidemic progresses, diseased fruit and decayed flowers and pedicles become important sources of botrytis spores. Some vary in foliage, and some vary materially in … Botryotinia fuckeliana [teleomorph], Rhizoctonia solani Coniothyrium fuckelii Botrytis fruit rot can be controlled by both chemical and cultural measures. Hainesia lythri Additionally, we also have to pay attention to other emerging (non-regulated) pathogens that have an impact on the quality of products. Ceratobasidium sp. parasitica, Phoma terrestris 3. PESTS AND DISEASES AFFECTING STRAWBERRY PLANTS. Gloeosporium spp. Botrytis fruit rot and powdery mildew are two major strawberry diseases in Florida. Resume applications of protective fungicides after critical periods and in March, when the disease is naturally suppressed by hot weather. Lesions often develop on the stem end of the fruit and are caused by infected stamens or dead petals stuck to the fruit. = Saccharomyces florentinus, Phytophthora sp. Athelia rolfsii [teleomorph] During rainy or humid weather, lesions become covered with spores, ranging from tan to gray in color. Ceratobasidium [teleomorph] sp. Saccharomyces kluyveri = Pythium proliferum Ramularia brunnea [anamorph], Coniothyrium fuckelii Their composition and concentration could be potentially used to classify strawberry fruits into four respective categories according to the fungal infection. • Red stele, black root rot, powderymildew,botrytis fruit rot, leaf spot, and leaf scorch are the most important strawberry diseases in Colorado. Figure 10. The fungus infects strawberry and almost all other plants. Macrophomina phaseolina During January and February these spores are moved by air, water, and harvesters and infect strawberry flowers. Coniella castaneicola [anamorph] Diapleella coniothyrium [teleomorph] Botrytis fruit rot and powdery mildew are two major strawberry diseases in Florida. Lesions start as small, firm, light brown spots. Red stele, black root rot, powdery mildew, botrytis fruit rot, leaf spot, and leaf scorch are the most important strawberry diseases in Colorado. 19-23. "Florida Crop/Pest Management Profiles: Strawberry", "Botrytis Fruit Rot or Gray Mold of Strawberry" (PP-230), Weed Management in Field Crops and Pasture Grasses (WMG), Florida Department of Agriculture and Consumer Services (FDACS), Fish and Wildlife Research Institute--Florida Fish and Wildlife Conservation Commission, Florida Department of Environmental Protection, South Florida Information Access (SOFIA)—U.S. Discohainesia oenotherae [teleomorph] If your strawberry plants have leaves with slow, stunted growth and metallic, blue-green dull coloration, they are probably suffering from red stele root rot. Lesions may not be seen on green and ripening fruit until about 2 to 4 weeks after infection. Phytophthora nicotianae The disease is usually introduced on infected strawberry plants. = Colletotrichum fragariae, Rhizoctonia fragariae Diseases attack nearly all parts of strawberry plants,  affecting both yields and quality. Non-disease fruit problems Sunburn The fruit surface loses its red colour and takes on a scalded appearance (Figure 10). Dematophora necatrix [anamorph], Phoma lycopersici Pyrenochaeta sp. Strawberry pathogens can attack all plant parts and affect yield and quality. Phytophthora megasperma On strawberry, this disease primarily affects fruit, but can also infect leaves, petioles, stems, and the flower as well. Phytophthora citrophthora Zygosaccharomyces bailii Gnomonia fragariae, Phragmidium potentillae = Saccharomyces bailii There are several pests and diseases which cause problems to strawberry growers. Mucor mucedo Wiltshire ... NON-GRAFT-TRANSMISSIBLE VIRUS-LIKE DISEASE Strawberry June yellows Genetically transmitted disorder of unknown cause *Indicates the disease is not known in North America. Strawberry Anthracnose Information. = Colletotrichum fragariae Risk of strawberry leaf and fruit diseases is reduced with renovation and removal of tops from the field. Idriella lunata Strawberries - Diseases, Pests and Problems Basic Information. Mucor hiemalis f. silvaticus Rhizoctonia fragariae Humid but dry conditions are found in greenhouses and tunnels where powdery mildew is usually more severe. Flowers have been damaged by a late frost, this is called Strawberry Black eye (see below) STRAWBERRY BLACK EYE This is a condition rather than a pest or disease. Betti JA, Kitajima EW, Costa AS, 1973a. Strawberry Disease - Anthracnose Anthracnose, caused by species in the genus Colletotrichum, can manifest as a fruit rot, crown rot, and/or leaf spots, as well as lesions on petioles and runner stolons. Sphaeropsis malorum by C.E. Babovic M V, 1976. Print this fact sheet. 5. Peronospora potentillae Penicillium purpurogenum, Byssochlamys fulva Paecilomyces fulvus [anamorph], Fusarium sambucinum On highly susceptible varieties, these diseases can cause significant economic damage. Acta Horticulturae. Investigation of strawberry virus diseases in Yugoslavia. Strawberry pallidosis associated virus is whitefly transmitted. Pythium myriotylum = Leptosphaeria coniothyrium Angular leaf spot first appears as water-soaked lesions on the undersides of leaves and calyxes... Anthracnose. Changes in the yield and quality of strawberry fruits infected by strawberry crinkle virus. Pythium debaryanum Botryosphaeria obtusa [teleomorph] Streptomyces sp. Pythium ultimum, Macrophomina phaseolina Strawberry Tree Diseases. | Find, read and cite all the research you need on ResearchGate Pestalotia longisetula, Phomopsis obscurans Pythium rostratum The fruits are formed on short fragile stems close to the plant. Colletotrichum acutatum [1] X Research source However, symptoms usually are observed later on green and ripening fruit. Crinkle virus EW, Costa as, 1973a fields, powdery mildew often infects living green... 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