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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

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Journal Article

Journal Article

Evaluation of Indigenous Fungal Pathogens from Horse Purslane (Trianthema portulacastrum) for Their Relative Virulence and Host Range Assessments to Select a Potential Mycoherbicidal Agent  [2013]

Ray, Puja; Vijayachandran, Lakshmi Sumitra;

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Periodic surveys were conducted to seek potential indigenous fungal agents for development as mycoherbicides against horse purslane, a major weed of agricultural fields in India. Pathogenic fungal species were isolated and identified from naturally infected horse purslane. The biocontrol potential of these pathogens for horse purslane was evaluated by studying their host range and virulence under growth chamber and greenhouse conditions. Three candidates, Alternaria alternata, Fusarium oxysporum, and Phoma herbarum, were identified as potential candidates for biological control of horse purslane. Preliminary host-range tests and pathogenicity studies, conducted using 45 crop and weed plants belonging to 18 families, demonstrated that P. herbarum provided effective weed control and was safe to most of the plant species tested. Further mycoherbicidal application of P. herbarum as plant spray under field condition caused mortality of horse purslane 60 d after application of the inoculums. Phoma herbarum is a good mycoherbicide candidate against horse purslane.Nomenclature: Alternaria alternata (Fr.) Keissler, Fusarium oxysporum Schltdl., Phoma herbarum Westendorp, horse purslane, Trianthema portulacastrum L. TRTPO.
From the journal
Weed science
ISSN : 0043-1745

Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2015
Volume:
61
Issue:
4
Start Page:
580
End Page:
585
Publisher:
Weed Science Society of America
All titles:
"Evaluation of Indigenous Fungal Pathogens from Horse Purslane (Trianthema portulacastrum) for Their Relative Virulence and Host Range Assessments to Select a Potential Mycoherbicidal Agent"@eng
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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2015
Volume:
61
Issue:
4
Start Page:
580
End Page:
585
Publisher:
Weed Science Society of America
All titles:
"Evaluation of Indigenous Fungal Pathogens from Horse Purslane (Trianthema portulacastrum) for Their Relative Virulence and Host Range Assessments to Select a Potential Mycoherbicidal Agent"@eng