Abstract
The damage and the resistance levels of cultivars and accessions of common beans rescued in the South and mountain regions of Espírito Santo State, Brazil, to M. incognita race 3 and M. javanica parasitism were evaluated under a greenhouse. Four rescued bean genotypes ("FORT-10", "FORT-13", "FORT-16" and "FORT-19") and 2 commercial cultivars: "Pérola", and "Aporé", were tested. The cultivar "Rico-23" was included as standard of susceptibility to nematodes and non-inoculated plants constituted the control. Thus, the experiment was carried out in a completely randomized design in 3 (treatments considering nematodes) x 7 (genotypes and bean cultivars) factorial arrangement, with 7 replicates. Data were measured at 50 days after plant inoculation. For damage quantification, the following variables were evaluated: plant height (PHE), number of nodes (NNO), number of trifoliate leaves (NRT), fresh matter weight (FWE) and dry matter weight (DWE) of shoots, root weight (RWE), number of root nodules (NRO) and final population (FPO) of nematodes per root system. There were no significant differences between the effects caused by M. incognita and M. javanica, but both species showed inferior values of PHE, NNO, NRT, RWE, FWE and DWE compared to controls. Concerning the levels of resistance of bean plants to M. incognita, the genotypes "FORT-10", "FORT-13", "Aporé" and "FORT-16" behaved as moderately resistant, the cultivars "Rico 23" and "Pérola" low resistant, and the genotype "FORT-19" as highly susceptible. When parasitized by M. javanica, the beans "FORT-19", "Rico-23", "FORT-16" and "FORT-13" were low resistant, "Pérola" and "Aporé" susceptible and "FORT-10" highly susceptible.
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Claims 9
Claim · model-written summary
The two nematodes did not differ significantly in their effects.
- Taxon
- beant0
- Interactor
- M. incognita
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=60)
Meloidogyne incognitae0pathogen - Second interactor
- M. javanicaMeloidogyne javanicae0pathogen
- Outcome
- effects caused by M. incognita and M. javanicae0
- Direction
- no significant differencese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_penetrates_a_tomato_root_-_USDA-ARS.jpg?width=500)
Verbatim
t0“bean genotypes (Phaseolus vulgaris L.)”
e0“There were no significant differences between the effects caused by M. incognita and M. javanica”
Claim · model-written summary
M. incognita parasitism lowered six bean growth measures relative to controls.
- Taxon
- beant0
- Treatment
- M. incognitae1
- Interactor
- M. incognitaMeloidogyne incognitae1pathogen
- Outcome
- PHE, NNO, NRT, RWE, FWE and DWEe0
- Direction
- inferiore0
- Comparator
- controlse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“bean genotypes (Phaseolus vulgaris L.)”
e0“both species showed inferior values of PHE, NNO, NRT, RWE, FWE and DWE compared to controls”
e1“M. incognita and M. javanica”
Claim · model-written summary
M. javanica parasitism lowered six bean growth measures relative to controls.
Verbatim
t0“bean genotypes (Phaseolus vulgaris L.)”
e0“both species showed inferior values of PHE, NNO, NRT, RWE, FWE and DWE compared to controls”
e1“M. incognita and M. javanica”
Claim · model-written summary
FORT-10, FORT-13, Aporé and FORT-16 were moderately resistant to M. incognita.
Not reportedInteractor
Verbatim
t0“bean genotypes (Phaseolus vulgaris L.)”
e0“the genotypes "FORT-10", "FORT-13", "Aporé" and "FORT-16" behaved as moderately resistant”
Claim · model-written summary
Rico 23 and Pérola had low resistance to M. incognita.
- Taxon
- beant0
- Material
- "Rico 23" and "Pérola"e0
- Interactor
- M. incognitaMeloidogyne incognitae1pathogen
- Outcome
- low resistante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“bean genotypes (Phaseolus vulgaris L.)”
e0“the cultivars "Rico 23" and "Pérola" low resistant”
e1“Concerning the levels of resistance of bean plants to M. incognita”
Claim · model-written summary
FORT-19 was highly susceptible to M. incognita.
- Taxon
- beant0
- Material
- "FORT-19"e0
- Interactor
- M. incognitaMeloidogyne incognitae1pathogen
- Outcome
- highly susceptiblee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“bean genotypes (Phaseolus vulgaris L.)”
e0“the genotype "FORT-19" as highly susceptible”
e1“Concerning the levels of resistance of bean plants to M. incognita”
Claim · model-written summary
FORT-19, Rico-23, FORT-16 and FORT-13 had low resistance to M. javanica.
- Taxon
- beant0
- Material
- "FORT-19", "Rico-23", "FORT-16" and "FORT-13"e0
- Interactor
- M. javanicaMeloidogyne javanicae0pathogen
- Outcome
- low resistante0
Verbatim
t0“bean genotypes (Phaseolus vulgaris L.)”
e0“When parasitized by M. javanica, the beans "FORT-19", "Rico-23", "FORT-16" and "FORT-13" were low resistant”
Claim · model-written summary
Pérola and Aporé were susceptible to M. javanica.
- Taxon
- beant0
- Material
- "Pérola" and "Aporé"e0
- Interactor
- M. javanicaMeloidogyne javanicae0pathogen
- Outcome
- susceptiblee0
Verbatim
t0“bean genotypes (Phaseolus vulgaris L.)”
e0“When parasitized by M. javanica, the beans "FORT-19", "Rico-23", "FORT-16" and "FORT-13" were low resistant, "Pérola" and "Aporé" susceptible”
Claim · model-written summary
FORT-10 was highly susceptible to M. javanica.
- Taxon
- beant0
- Material
- "FORT-10"e0
- Interactor
- M. javanicaMeloidogyne javanicae0pathogen
- Outcome
- highly susceptiblee0
Verbatim
t0“bean genotypes (Phaseolus vulgaris L.)”
e0“When parasitized by M. javanica, the beans "FORT-19", "Rico-23", "FORT-16" and "FORT-13" were low resistant, "Pérola" and "Aporé" susceptible and "FORT-10" highly susceptible.”
The same questions in other papers
Meloidogyne javanica · growth · Phaseolus vulgaris (common bean)Results agree
1 paper in the same direction as this paper
- no effect
Meloidogyne incognita · growth · Phaseolus vulgaris (common bean)Results agree
2 papers in the same direction as this paper
- negative
- negative
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.