Abstract
The effects of host plants on survival and activities of detoxification and protective enzymes of three rice planthoppers(Nilaparvata lugens,Sogatella furcifera and Laodelphax striatellus) were investigated with five host plants including four rice varieties [TN1,IR42,Rathu Heenati(RHT) and Wuyujing 3] and one weed barnyardgrass.The survival rate of the three planthoppers significantly varied with host plants.N.lugens had the highest survival rate on TN1,followed by on IR42 and Wuyujing 3,and on RHT and barnyardgrass.However,S.furcifera and L.striatellus had significantly higher survival rate on TN1 as well as on Wuyujing 3 and barnyardgrass,and substantially lower survival rate on RHT and IR42.Among the three planthoppers,the activities of glutathione S-transferase and microsomal mixed-function oxidases at the adult stage,and the activities of carboxylesterase,superoxide dismutase and peroxidase at both adult and nymph stages,significantly differed on various host plants,whereas the activities of glutathione S-transferase and microsomal mixed-function oxidases were similar at the nymph stage.The influence of host plants on the activities of these enzymes were also planthopper-related,with L.striatellus most affected,N.lugens the least affected,and S.furcifera moderately affected,which was in accordance with the host range of these planthoppers.However,it was also found that,even if the planthoppers fed on plants with similar host fitness,the enzyme activities varied among planthopper species,or even between the adult and nymph stages within a planthopper species.It is suggested that relations between the host plant fitness and the activities of detoxification and protective enzymes differed with species and developmental stage of planthoppers,and also with the type of host plants.
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Claims 10
Claim · model-written summary
Survival of the three planthoppers differed significantly among host plants.
- Taxon
- rice
Oryza sativae0t0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The survival rate of the three planthoppers significantly varied with host plants”
t0“Effects of Host Plants on Activities of Detoxification and Protective Enzymes in Three Rice Planthoppers”
Claim · model-written summary
N. lugens survival was highest on TN1, followed by IR42 and Wuyujing 3, then RHT and barnyardgrass.
- Taxon
- riceOryza sativae0t0
- Interactor
- N.lugens
Nilaparvata lugense0t0pest
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“N.lugens had the highest survival rate on TN1,followed by on IR42 and Wuyujing 3,and on RHT and barnyardgrass”
t0“Effects of Host Plants on Activities of Detoxification and Protective Enzymes in Three Rice Planthoppers”
Claim · model-written summary
S. furcifera survival was higher on TN1, Wuyujing 3 and barnyardgrass than on RHT and IR42.
- Taxon
- riceOryza sativae0t0
- Interactor
- S.furciferaSogatella furciferae0t0pest
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“S.furcifera and L.striatellus had significantly higher survival rate on TN1 as well as on Wuyujing 3 and barnyardgrass,and substantially lower survival rate on RHT and IR42”
t0“Effects of Host Plants on Activities of Detoxification and Protective Enzymes in Three Rice Planthoppers”
Claim · model-written summary
L. striatellus survival was higher on TN1, Wuyujing 3 and barnyardgrass than on RHT and IR42.
- Taxon
- riceOryza sativae0t0
- Interactor
- L.striatellus
Laodelphax striatelluse0t0pest
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“S.furcifera and L.striatellus had significantly higher survival rate on TN1 as well as on Wuyujing 3 and barnyardgrass,and substantially lower survival rate on RHT and IR42”
t0“Effects of Host Plants on Activities of Detoxification and Protective Enzymes in Three Rice Planthoppers”
Claim · model-written summary
Adult glutathione S-transferase and mixed-function oxidase activities differed among host plants.
- Taxon
- riceOryza sativae0t0
- Interactor
- planthoppersFulgoromorphae0t0pest
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the activities of glutathione S-transferase and microsomal mixed-function oxidases at the adult stage”
t0“Effects of Host Plants on Activities of Detoxification and Protective Enzymes in Three Rice Planthoppers”
Claim · model-written summary
Carboxylesterase, superoxide dismutase and peroxidase activities differed among host plants at adult and nymph stages.
- Taxon
- riceOryza sativae0t0
- Interactor
- planthoppersFulgoromorphae0t0pest
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the activities of carboxylesterase,superoxide dismutase and peroxidase at both adult and nymph stages,significantly differed on various host plants”
t0“Effects of Host Plants on Activities of Detoxification and Protective Enzymes in Three Rice Planthoppers”
Claim · model-written summary
Nymph glutathione S-transferase and mixed-function oxidase activities were similar among hosts.
- Taxon
- riceOryza sativae0t0
- Interactor
- planthoppersFulgoromorphae0t0pest
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the activities of glutathione S-transferase and microsomal mixed-function oxidases were similar at the nymph stage”
t0“Effects of Host Plants on Activities of Detoxification and Protective Enzymes in Three Rice Planthoppers”
Claim · model-written summary
Host plants affected enzyme activities most in L. striatellus, least in N. lugens and moderately in S. furcifera.
- Taxon
- riceOryza sativae0t0
- Interactor
- L.striatellusLaodelphax striatelluse0t0pest
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The influence of host plants on the activities of these enzymes were also planthopper-related,with L.striatellus most affected,N.lugens the least affected,and S.furcifera moderately affected”
t0“Effects of Host Plants on Activities of Detoxification and Protective Enzymes in Three Rice Planthoppers”
Claim · model-written summary
Enzyme activities varied among planthopper species even on plants with similar host fitness.
- Taxon
- riceOryza sativae0t0
- Interactor
- planthoppersFulgoromorphae0t0pest
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“even if the planthoppers fed on plants with similar host fitness,the enzyme activities varied among planthopper species”
t0“Effects of Host Plants on Activities of Detoxification and Protective Enzymes in Three Rice Planthoppers”
Claim · model-written summary
Enzyme activities varied between adult and nymph stages within planthopper species.
- Taxon
- riceOryza sativae0t0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the enzyme activities varied among planthopper species,or even between the adult and nymph stages within a planthopper species”
t0“Effects of Host Plants on Activities of Detoxification and Protective Enzymes in Three Rice Planthoppers”