A. BharanideepanDepartment of Plant Pathology, Tamil Nadu Agricultural UniversityCoimbatore, Tamil Nadu, IndiaEmail: email@example.com
Host: Citrus aurantiifolia (Christm.) Swingle (acid lime)Disease name: DiebackPathogen: Lasiodiplodia theobromae (Pat.) Griffon & Maubl.
Lasiodiplodia theobromae is a plant pathogen with a very wide host range. It causes rotting and dieback in most species it infects. It causes a common postharvest fungal disease of citrus known as stem-end rot, but it also causes dieback in acid lime, affecting both yield and productivity. Dieback causes drying of young twigs from the tips downward and defoliation of young leaves. It produces pycnidia on dried twigs that serve as inoculum for the next generation. Two types of conidia (pycnidiospores) are seen. One type is hyaline, nonseptate, immature conidia and the other is colored and septate with longitudinal striations.
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