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Determining specific window period for common scab disease infection in potato tubers

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posted on 2023-05-19, 05:01 authored by Khatri, BB, Robert TeggRobert Tegg, Brown, PH, Calum WilsonCalum Wilson
A series of experiments was conducted under glasshouse and hydroponic conditions to determine the specific window period for common scab disease infection in potato tubers. The study was performed in a glasshouse system where separate tubers from the root zone were inoculated at different intervals during plant growth along with a novel hydroponic system to inoculate individual tubers at specific times of development growth allowing non-destructive observations of common scab symptoms developing. The window of tuber susceptibility to common scab disease infection was shown to vary with the season or conditions under which the plants were grown. Different internodes on tubers were found susceptible to infection at different times during tuber development. Basal internodes, which are the first sections of the tuber to expand, were susceptible to infection in the beginning of tuber development, whereas apical internodes only became susceptible later in tuber growth when the basal internodes were no longer susceptible.

History

Publication title

Journal of Nepal Agricultural Research Council

Pagination

19-26

ISSN

2392-4535

Department/School

Tasmanian Institute of Agriculture (TIA)

Publisher

Nepal Agricultural Research Council

Place of publication

PO Box: 3605 Kathmandu, Nepal

Rights statement

© 2017 The Authors. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/

Repository Status

  • Open

Socio-economic Objectives

Field grown vegetable crops

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