What is it about?
The infection of FRR in Iraqi wheat cropping system have not recorded previously, and consequently are not well understood. Therefore, in this context it is essential to comprehend the biology included in the development and disease infection of FRR, also to evaluate the susceptibility/resistance level of different wheat cultivars used to be planted in the studied areas.
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Why is it important?
Nine different species of Fusarium genus distributed on the 28 isolates have been identified morphologically to genus and molecularly to species levels. F. culmorum (6 isolates), F. pseudograminearum and F. chlamydosporum (5 isolates for each), F. graminearum (4 isolates), F. solani, F. equiseti and F. cerealis (2 isolates for each) and F. nygamai and F. avenaceum (1 isolate for each). All isolates were isolated from wheat roots represent infection of FRR disease. This is the first study for identification of FRR on wheat cropping system in Iraq.
Perspectives
The nine Fusarium species obtained in this study have been isolated from wheat roots and identified according to the morphological characteristics and molecular identification by using tef 1-α gene sequencing. To the best of my knowledge, this is the first study identifying FRR on wheat plants in Iraq. The pathogenicity results discovered the ability of the studied nine Fusarium species to induce characteristic symptoms of FRR disease on Iraqi wheat cultivar (Res. 22). The symptoms encompassed root rotting, plant stunting and seedling damping off. More studies should be conducted on the distribution, severity and preference of these pathogens on other wheat cultivars and alternative hosts (barley and maize) to assess their effect on the production in Iraq.
Dr. Mohammed Hussein Minati
Read the Original
This page is a summary of: First record of nine Fusarium spp. causing root rot on wheat (Triticum aestivum L.) in Iraq, January 2020, American Institute of Physics,
DOI: 10.1063/5.0027398.
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