Claim · model-written summary
Mycelial extract was more potent than culture filtrate extract against M. graminicola larvae and eggs.
- Taxon
- rice
Oryza sativae3 - Treatment
- mycelial extracte5
- Interactor
- M. graminicolaMeloidogyne graminicolae5pest
- Outcome
- larvae and eggse5
- Direction
- more potente5
- Comparator
- culture filtrate extracte5
Not reportedMaterialGeneCompoundOrgan / stageSecond interactorSecond interactor roleSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“The mycelial extract was found more potent compared with the culture filtrate extract; however, both fractions affected the larvae and eggs of M. graminicola”
e3“Toxic metabolites present in the culture filtrate affected the larvae as there were no galls produced in rice seedlings at 100% concentration”
Title
Ruben Gapasin; Erlinda Vasquez; Giselle Rendon Annals of tropical research/Annals of tropical research (Visayas State University-Online) 2011. doi:10.32945/atr3322.2011
Other claims from this paper (10)
- Intervention effect Immersion of Meloidogyne graminicola larvae for 48 h in 100% Paecilomyces lilacinus culture filtrate caused 100% larval mortality, versus 7.12% and 18.72% after 6 and 12 h.
- Intervention effect Culture filtrate at 100% concentration produced no galls on rice seedlings.
- Intervention effect Culture filtrate limited egg hatching of the nematode, shown by fewer galls on rice seedling roots.
- Observation Fraction 3 caused 39% nematode mortality in the bioassay.
- Observation The nematoxic compounds are suggested to be present in fraction 3 and fractions 5, 6 and 7.
- Observation GC-MS of the active fraction showed more than 20 compounds, with 5 major ones.
- Observation The main compound of the active fraction was partially identified as an azulene derivative with two unsaturation points.
- Observation Dried ethyl acetate fraction gave 88.51% mortality at 500 mg/ml.
- Observation Dried ethyl acetate fraction gave 76.91% mortality at 400 mg/ml.
- Observation A lethal concentration (LC50) was reached at 300 mg/ml.