Abstract
The potential of 24 indigenous isolates of Purpureocillium lilacinum (Paecilomyces lilacinus) (Thom) Samson collected from different agro-climatic zones of India was investigated against the root-knot nematode, Meloidogyne incognita. The studies were conducted in vitro (larvicidal, ovicidal and egg-parasitising capacity) and under naturally infested field conditions with selected strains. Repeated field trials were conducted with talc-based preparations of fungal strains at 10 kg ha−1, which were applied mixed in farm yard manure (FYM) at 1.5 t ha−1. Results (in vitro) showed that all tested isolates were capable to parasitise eggs, inhibit egg hatching and cause juvenile mortality of M. incognita at various levels. Based on the performance under in vitro studies, eight isolates (NDPL-01, ANDPL-02, SHGPL-03, HYBPL-04, AHDPL-05, PTNPL-06, SNGPL-07 and VNSPL-08) were re-tested to confirm the results. HYBDPL-04 was found causing highest mortality (80%), inhibition of egg hatching (90%) as well as parasitisation of M. incognita eggs (75%). Under field trials also, the best protection of root-knot disease of tomato (Lycopersicon esculentum L.), in terms of reduction of galls (61%) and reproductive factor (Pf/Pi (RF) = 0.2) was achieved through application of HYBDPL-04 + FYM compared to control and other tested isolates. It also enhanced marketable yield of tomato up to 43%. It is concluded that the HYBDPL-04 strain of P. lilacinum is highly effective for management of root-knot disease of tomato under naturally infested field conditions. It is the isolate which produced the maximum number of metabolites which were extracted through high pressure liquid chromatography.
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Claims 9
Claim · model-written summary
All tested fungal isolates parasitized nematode eggs.
- Taxon
- tomato
Solanum lycopersicume1 - Interactor
- M. incognita
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=60)
Meloidogyne incognitae0pathogen - Second interactor
- Purpureocillium lilacinum
Purpureocillium lilacinume2biocontrol_agent - Outcome
- parasitise eggse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=500)
Verbatim
e0“all tested isolates were capable to parasitise eggs, inhibit egg hatching and cause juvenile mortality of M. incognita”
e1“root-knot disease of tomato (Lycopersicon esculentum L.)”
e2“Purpureocillium lilacinum (Paecilomyces lilacinus)”
Claim · model-written summary
All tested fungal isolates inhibited nematode egg hatching.
- Taxon
- tomatoSolanum lycopersicume1
- Interactor
- M. incognitaMeloidogyne incognitae0pathogen
- Second interactor
- Purpureocillium lilacinumPurpureocillium lilacinume2biocontrol_agent
- Outcome
- egg hatchinge0
- Direction
- inhibite0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“all tested isolates were capable to parasitise eggs, inhibit egg hatching and cause juvenile mortality of M. incognita”
e1“root-knot disease of tomato (Lycopersicon esculentum L.)”
e2“Purpureocillium lilacinum (Paecilomyces lilacinus)”
Claim · model-written summary
All tested fungal isolates caused nematode juvenile mortality.
- Taxon
- tomatoSolanum lycopersicume1
- Interactor
- M. incognitaMeloidogyne incognitae0pathogen
- Second interactor
- Purpureocillium lilacinumPurpureocillium lilacinume2biocontrol_agent
- Outcome
- juvenile mortality of M. incognitae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“all tested isolates were capable to parasitise eggs, inhibit egg hatching and cause juvenile mortality of M. incognita”
e1“root-knot disease of tomato (Lycopersicon esculentum L.)”
e2“Purpureocillium lilacinum (Paecilomyces lilacinus)”
Claim · model-written summary
HYBDPL-04 produced inhibition of egg hatching of 90%.
- Taxon
- tomatoSolanum lycopersicume1
- Material
- HYBDPL-04e0
- Interactor
- M. incognitaMeloidogyne incognitae0pathogen
- Outcome
- inhibition of egg hatchinge0
- Direction
- higheste0
- Value
- 90%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“HYBDPL-04 was found causing highest mortality (80%), inhibition of egg hatching (90%) as well as parasitisation of M. incognita eggs (75%).”
e1“root-knot disease of tomato (Lycopersicon esculentum L.)”
Claim · model-written summary
HYBDPL-04 produced parasitisation of M. incognita eggs of 75%.
- Taxon
- tomatoSolanum lycopersicume1
- Material
- HYBDPL-04e0
- Interactor
- M. incognitaMeloidogyne incognitae0pathogen
- Outcome
- parasitisation of M. incognita eggse0
- Value
- 75%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“HYBDPL-04 was found causing highest mortality (80%), inhibition of egg hatching (90%) as well as parasitisation of M. incognita eggs (75%).”
e1“root-knot disease of tomato (Lycopersicon esculentum L.)”
Claim · model-written summary
HYBDPL-04 plus FYM reduced tomato galls by 61%.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- HYBDPL-04 + FYMe0
- Interactor
- Meloidogyne incognitaMeloidogyne incognitae2pathogen
- Outcome
- gallse0
- Direction
- reductione0
- Value
- 61%e0
- Comparator
- control and other tested isolatese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“reduction of galls (61%) and reproductive factor (Pf/Pi (RF) = 0.2) was achieved through application of HYBDPL-04 + FYM compared to control and other tested isolates.”
e1“root-knot disease of tomato (Lycopersicon esculentum L.)”
e2“root-knot nematode, Meloidogyne incognita”
Claim · model-written summary
HYBDPL-04 plus FYM yielded a nematode reproductive factor of 0.2.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- HYBDPL-04 + FYMe0
- Interactor
- Meloidogyne incognitaMeloidogyne incognitae2pathogen
- Outcome
- reproductive factore0
- Value
- 0.2e0
- Comparator
- control and other tested isolatese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“reduction of galls (61%) and reproductive factor (Pf/Pi (RF) = 0.2) was achieved through application of HYBDPL-04 + FYM compared to control and other tested isolates.”
e1“root-knot disease of tomato (Lycopersicon esculentum L.)”
e2“root-knot nematode, Meloidogyne incognita”
Claim · model-written summary
HYBDPL-04 plus FYM enhanced marketable tomato yield by up to 43%.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- HYBDPL-04 + FYMe1
- Interactor
- Meloidogyne incognitaMeloidogyne incognitae2pathogen
- Outcome
- marketable yielde0
- Direction
- enhancede0
- Value
- up to 43%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It also enhanced marketable yield of tomato up to 43%.”
e1“application of HYBDPL-04 + FYM”
e2“root-knot nematode, Meloidogyne incognita”
Claim · model-written summary
HYBDPL-04 produced the maximum number of metabolites.
- Taxon
- tomatoSolanum lycopersicume2
- Material
- HYBDPL-04e1
- Outcome
- maximum number of metabolitese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It is the isolate which produced the maximum number of metabolites which were extracted through high pressure liquid chromatography.”
e1“HYBDPL-04 strain of P. lilacinum”
e2“root-knot disease of tomato (Lycopersicon esculentum L.)”
The same questions in other papers
fertilization · Meloidogyne incognita · Solanum lycopersicum (tomato)Positive and negative results
28 papers in the same direction as this paper · 4 in the opposite direction
- negative
- negative
- negative
29 papers more in this group
See all 33 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.