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Chaetomium globosum KPC3: An antagonistic fungus against the potato cyst nematode, Globodera rostochiensis

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Title Chaetomium globosum KPC3: An antagonistic fungus against the potato cyst nematode, Globodera rostochiensis
 
Creator Aarti Bairwa
Priyank Hanuman Mhatre
Sanjeev Sharma
Rahul Kumar Tiwari
Kailash Chandra Naga
Chandan Maharana
Ashwani Kumar Sharma
 
Subject Detection; Globodera pallida; LAMP; Management; Mitochondrial-SCAR; Potato.
 
Description Not Available
The potato cyst nematode (Globodera rostochiensis) is one of the most economically important pests of potato (Solanum tuberosum L.), causing significant economic losses worldwide. The identification of biocontrol agents for the sustainable management of G. rostochiensis is crucial. In this study, a potential biocontrol agent, Chaetomium globosum KPC3, was identified based on sequence analysis of the DNA internal transcribed spacer (ITS) region, the translation elongation factor 1-alpha (TEF1-?) gene, and the second largest subunit of the RNA polymerase II (RPB2) gene. The pathogenicity test of C. globosum KPC3 against cysts and second-stage juveniles (J2s) revealed that fungus mycelium fully parasitized the cyst after 72 h of incubation. The fungus was also capable of parasitizing the eggs inside the cysts. The culture filtrate of C. globosum KPC3 caused 98.75% mortality in J2s of G. rostochiensis after 72 h of incubation. The pot experiments showed that the combined application of C. globosum KPC3 as a tuber treatment at a rate of 1 lit kg-1 of tubers and a soil application at a rate of 500 ml kg-1 of farm yard manure (FYM) resulted in significantly lesser reproduction of G. rostochiensis compared to the rest of the treatments. Altogether, C. globosum KPC3 has the potential to be used as a biocontrol agent against G. rostochiensis and can be successfully implemented in integrated pest management programs.
 
Date 2023-07-25T08:57:37Z
2023-07-25T08:57:37Z
2023-3-1
 
Type Research Paper
 
Identifier —
Not Available
0343-8651
http://krishi.icar.gov.in/jspui/handle/123456789/80220
 
Language English
 
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Publisher Not Available