In humid weather, severity of disease increases, main root is affected, diseased plants are easily pulled out and produce shriveled seeds and gives blighted appearance. The disease is transmitted through jassids and the phytoplasma survives in leaf hopper throughout its life. On older seedlings elongated brownish black lesions appear which increase in length and width girdling the stem and plant dies. Continuing to use www.cabdirect.org InDG is a Ministry of Electronics and Information Technology (MeitY) Government of India initiative and is executed by Centre for Development of Advanced Computing, Hyderabad. The pathogenM. In severe infection, the entire inflorescences is replaced by short twisted leaves closely arranged on a stem with short internodes, abundant abnormal branches bend down. In India the disease was present in all sesamum growing areas. The spots are chestnut brown in the beginning later turn to black. You can now claim your publications on CAB Direct with your ORCID iD! If you would like to, you can learn more about the cookies we use. CAB Direct The root rot disease is characterized by sudden wilting of growing plants, yellowed leaves, root rot and minimal yield. Initial symptom is water soaked spots on leaves and stems. Typical indications of dry rot include: Wood shrinks, darkens and cracks in a ‘cuboidal’ manner (see picture) A silky grey to mushroom coloured skin frequently tinged with patches of lilac and yellow often develops under less humid conditions. There are over 13,608,000 records available in CAB Direct | Last updated on November 28, 2020. Butl. This ‘skin’ can be peeled like a mushroom. CAB Direct is the most thorough and extensive source of reference in the applied life sciences, To know the IPM practices for Sesame, click here. This is to ensure that we give you the best experience possible. session so others can sign in. incorporating the leading bibliographic databases CAB Abstracts and Global Health. ranged from 22.5 to 38.5 per cent depending upon locality. The disease is severe in the area of heavy soil with high rainfall. Find out more about this exciting new development, Using our new visualization tools you can, Using our new highlighting and annotation tool you can, remove selected records that are not saved in My CABI, sign you out of your This portal has been developed as part of the national level initiative - India Development Gateway (InDG), dedicated for providing information / knowledge and ICT based knowledge products and services in the domain of social development. Goid. Sesame (Sesamum indicum L.) is an important edible Kharif oilseed crop grown in hotter and drier areas and in recent years, regular occurrence of stem and root rot disease has been recorded from different districts of Jharkhand State with varying incidence per cent of 31.00 to 68.50. Source: NIPHM and Directorate of Plant Protection, Quarantine & Storage. High soil moisture favours the development of the pathogen. Dates of sowing trials revealed that early sowing favored Macrophomina stem and root rot. Survival and spread - The pathogen survives in seed and soil. The lesions may also appear on the midrib and veins of the leaves. Premature leaf fall occurs. In humid weather, severity of disease increases, main root is affected, diseased plants are easily pulled out and produce shriveled seeds and gives blighted appearance. Centre for Development of Advanced Computing, Hyderabad. If capsules are formed on lower portion of plant they do not yield quality seeds. The spots are chestnut brown in the beginning later turn to black. CAB Direct provides Out of 27 entries evaluated against stem and root rot caused by Macrophomina phaseolina, only three entries viz., IC-205477, IC-205506 and Krishna were identified as resistant. through biological and chemical means. Management of sesame dry root-rot Rhizoctonia bataticola (Taub.) Like most websites we use cookies. Small, dark brown water soaked, round to irregular lesions, with concentric rings, 1-8 mm in diameter appear on the leaves and under excessive atmospheric and soil humidity the spot increases in size and number. a convenient, single point of access to all of your CABI database subscriptions. phaseolina was isolated from the diseased roots of sesame plants showing the typical root rot symptoms by tissue segment method (Rangaswami, 1972) on … Disease can occur at all stages of the plant. Extensive online help - available wherever you are in CAB Direct. Ministry of Electronics and Information Technology (MeitY). Please leave all source links intact and adhere to applicable copyright and intellectual property guidelines and laws. © 2006–2019 C–DAC.All content appearing on the vikaspedia portal is through collaborative effort of vikaspedia and its partners.We encourage you to use and share the content in a respectful and fair manner. The pathogen attacks all parts of the plant at all stages. The disease is very destructive in … Initial symptom is water soaked spots on leaves and stems. (2005) surveyed the major sesame growing areas of North Bihar and found that incidence of Stem and root rot caused by M. phaseolina (Tassi.) Favourable conditions - High soil temperatures and moisture stress conditions favour the development of the pathogen. Milder attacks cause only defoliation, in severe cases the plant may die. Seedling protection was obtained when sesame … means you agree to our use of cookies. Choudhary et al.

dry root rot of sesame

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dry root rot of sesame 2020