Potential of biocontrol agents against Ganoderma lucidum causing basal stem rot in mesquite (Prosopis cineraria) in arid regions of India
This study investigates the potential of native biocontrol agents (BCAs) as controls against Ganoderma lucidum causing root rot mortality in Indian mesquite. The disease is prevalent in sandy soils where trees grow under rainfed conditions. In addition, a beetle namely Acanthophorus serraticornis da...
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Published in | Journal of forestry research Vol. 32; no. 3; pp. 1269 - 1279 |
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Main Authors | , , |
Format | Journal Article |
Language | English |
Published |
Berlin/Heidelberg
Springer Berlin Heidelberg
01.06.2021
Springer Springer Nature B.V ICAR-Central Arid Zone Research Institute , Jodhpur 342003 , India%College of Horticulture and Forestry , Jhalarapatan , Jhalawar 326001 , India |
Subjects | |
Online Access | Get full text |
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Summary: | This study investigates the potential of native biocontrol agents (BCAs) as controls against
Ganoderma lucidum
causing root rot mortality in Indian mesquite. The disease is prevalent in sandy soils where trees grow under rainfed conditions. In addition, a beetle namely
Acanthophorus serraticornis
damages the roots, resulting in increasing vulnerability of the host thereby allowing easy of the pathogen. In dual culture tests, Ganoderma infected cowpea root bit experiment and compatibility with insecticides revealed that the three BCAs (
Trichoderma longibrachiatum
,
T. harzianum,
and
Aspergillus nidulans
) significantly inhibited
G. lucidum
mycelial growth. The highest mycelial growth inhibition (47.6%) was recorded after 96 h followed by 39.8% and 29.3% at 72 and 48 h, respectively, by
T. longibrachium
. Cell free filtrates of
T. longibrachiatum
,
T. harzianum,
and
A. nidulans
were superior in inhibiting mycelium growth. A low concentration (3 ml) of
T. longibrachiatum
was more effective in inhibiting mycelium growth compared to other BCAs. Both
Prosopis juliflora
compost and onion residue compost amendments as food substrates favored the growth of these BCAs, which ultimately reduced the viability of
Ganoderma-
colonized root bits of cowpea. Studies on compatibility between insecticides and BCAs suggests that
T. longibrachiatum
,
harzianum and A. nidulans
can be combined with phorate or chloropyriphos (both organophosphates) at variable concentrations if amended together for partially infected trees, or as a prophylactic measure in healthy trees. These studies demonstrate that there is considerable opportunity for using native BCAs against
G. lucidum
in managing root rot disease
. |
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ISSN: | 1007-662X 1993-0607 |
DOI: | 10.1007/s11676-020-01161-3 |