Twenty-eight isolates of Kabatiella zeae from five countries were used to study variability of the species. A comparison was made of the size of in vivo produced . PROCEDURE: 1. Randomly select seeds; 4 replicates of 2. Wash thoroughly in running water to remove chemical seed treatment. 3. PDF | The eyespot in maize (Zea mays L.) was detected for the first time in Paraná and Santa Catarina state. The fungus Kabatiella zeae was identified as.
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Leaf spots are initially single, but rapidly spread to cover the entire leaf area.
EPPO Global Database
Title Symptoms Caption Eyespot, showing a yellow halo when backlit. Cultural and morphological variability of Kabatiella zeae. Don’t need the entire report? Eyespot disease of corn.
Gay JP; Cassini R, kabxtiella Deep ploughing of crop debris prevents sporulation of the stromas and promotes decomposition HYP3, thus limiting early season spread. Sharp eyespot disease in wheat-China.
Impact Top of page Economic losses to eyespot are uncommon Walker Kirby, ; however, losses can occur when infection is severe; when much of the leaf area is blighted within weeks after silking; when early and severe leaf blighting occurs on suceptible hybrids grown in no-till or reduced tillage fields; when defoliation from leaf blighting increases stalk rot losses from lodged maize ; and when the season is abnormally cool and the disease attacks maize earlier in the season Lipps and Mills, Model for economic analysis of fungicide usage in hybrid corn seed production.
Similar symptoms can also be produced by insect feeding particularly by aphids or the improper application of herbicides. Some pathological problems in cereal crop rotations. Go to distribution map Preliminary evaluation of effectiveness of fungicides in protecting maize plants against diseases. Plant Pathology, 56 5: CAB International, Map Secondary spread of the eyespot disease is by wind and water splash of spores from one plant to another.
The amount of infectious material can be reduced by a suitable crop rotation and thorough ploughing and destruction of after-harvest residues, particularly from seriously infected plants.
Title Symptoms Caption The tissue at the centre of the spot later dies and turns tan coloured, with a brown or purple ring at the margin. Detection and Inspection Top of page The first symptoms of eyespot disease can be seen in June, but most often they appear at the beginning of July, depending on atmospheric conditions.
Open the calendar popup. Bernard Jabas 1 and Dr. The most important maize diseases in Malopolska. They are sent to a computer by website operators or third parties.
This Add-on is available at kabatiellx Contact our curators Dr. Pest control plays an important role in reducing the occurrence of eyespot, particularly the control of Aphididae and Thysanoptera, which feed on maize and can facilitate the penetration of conidia. This is often covered with a skin kabatiells cuticle. Eyespot of maize, a disease new to North America. In the spring these stroma produce conidia, kabatielal disperse by wind or light rain to the leaves of nearby young maize plants, where they germinate.
When several references are cited, they may give conflicting information on the status. Zastita Bilja, 42 1: Ohio State University Extension. Reifschneider and Arny a detected K. This is used when first reloading the page.
Three diseases of corn Zea maysnew to Ontario: Sanctioned by Sanctioning name Validated by Type specimen or ex type More specimens Human pathogenicity code Plant pathogenicity code Code toxicity. Popov A; Popova Y, The disease is most commonly seen in patches on the leaves. Run Zhang 1 and Dr. Inheritance of resistance of the leaves of maize Zea mays L.