Abstract
This study investigated the changes of biochemical index and the proteins associated with disease resistance after inoculated with arbuscular mycorrhizal fungi(AMF) of Glomus mosseae and ectomycorrhizal fungi(ECMF) of Boletus luridus on the growth of healthy poplar 107(Populus×euramericana cv.'74/76') and the poplar attacked by canker disease.The possible mechanism of disease resistance induced by mycorrhizal fungi was primarily discussed.The results indicated that both AMF and ECMF significantly decreased the index and incidence of poplar canker disease and increased the content of chlorophyll,bark soluble protein content and root activity.In addition,both AMF and ECMF can decrease the content of malonaldehyde(MDA) and increase the free proline contents.The activity of superoxide dismutase(SOD) and phenylalnine ammonialyase(PAL) in diseased sites.AMF significantly induced the boost of activity of chitinase and β-1,3-glucanase in diseased sites,but ECMF just had a little effect.The index related with resisting canker disease among AMF was superior to ECMF,but both the incidence and disease index of canker disease of AMF were lower than ECMF,the effect of AMF was better when inoculating the poplar seedlings.It is clear that mycorrhizal fungi can improve the absorption of nutrient and growth of poplar when attacked by canker pathogen,the activity of protective enzyme and resistant compound were increased in the mycorrhizal poplar seedlings,producing large amount of chitinase and β-1,3-glucanase to induce secondary defending reaction of poplar.Consequently,mycorrhizal fungi can remedy the harm of disease and improve the disease resistance of poplar.
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Claims 10
Claim · model-written summary
Both AMF and ECMF significantly decreased the disease index and incidence of poplar canker disease.
- Treatment
- both AMF and ECMFe0
- Interactor
- canker diseasee0pathogen
- Second interactor
- AMF and ECMFe0symbiont
- Outcome
- index and incidence of poplar canker diseasee0
- Direction
- decreasede0
PopulusNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both AMF and ECMF significantly decreased the index and incidence of poplar canker disease”
Claim · model-written summary
Both AMF and ECMF increased chlorophyll content, bark soluble protein content and root activity in poplar.
- Treatment
- both AMF and ECMFe0
- Interactor
- AMF and ECMFe0symbiont
- Outcome
- content of chlorophyll,bark soluble protein content and root activitye0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both AMF and ECMF significantly decreased the index and incidence of poplar canker disease and increased the content of chlorophyll,bark soluble protein content and root activity”
Claim · model-written summary
Both AMF and ECMF decreased the malonaldehyde (MDA) content in poplar.
- Treatment
- both AMF and ECMFe0
- Interactor
- AMF and ECMFe0symbiont
- Outcome
- content of malonaldehyde(MDA)e0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both AMF and ECMF can decrease the content of malonaldehyde(MDA)”
t0“Poplar”
Claim · model-written summary
Both AMF and ECMF increased the free proline content in poplar.
- Treatment
- both AMF and ECMFe0
- Interactor
- AMF and ECMFe0symbiont
- Outcome
- free proline contentse0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both AMF and ECMF can decrease the content of malonaldehyde(MDA) and increase the free proline contents”
t0“Poplar”
Claim · model-written summary
AMF significantly boosted the activity of chitinase and beta-1,3-glucanase in diseased sites of poplar.
- Treatment
- AMFe0
- Interactor
- AMFe0symbiont
- Outcome
- activity of chitinase and β-1,3-glucanasee0
- Direction
- booste0
- Qualifier
- in diseased sitese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AMF significantly induced the boost of activity of chitinase and β-1,3-glucanase in diseased sites”
t0“Poplar”
Claim · model-written summary
ECMF had only a small effect on the activity of chitinase and beta-1,3-glucanase in diseased sites of poplar.
- Treatment
- ECMFe0
- Interactor
- ECMFe0symbiont
- Outcome
- activity of chitinase and β-1,3-glucanasee0
- Direction
- little effecte0
- Qualifier
- in diseased sitese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“AMF significantly induced the boost of activity of chitinase and β-1,3-glucanase in diseased sites,but ECMF just had a little effect”
t0“Poplar”
Claim · model-written summary
Both the incidence and disease index of canker disease were lower with AMF than with ECMF in poplar.
- Treatment
- AMFe0
- Interactor
- canker diseasee0pathogen
- Second interactor
- AMFe0symbiont
- Outcome
- incidence and disease index of canker diseasee0
- Direction
- lowere0
- Comparator
- ECMFe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both the incidence and disease index of canker disease of AMF were lower than ECMF”
t0“Poplar”
Claim · model-written summary
Mycorrhizal fungi improved nutrient absorption and growth of poplar attacked by canker pathogen.
- Treatment
- mycorrhizal fungie0
- Interactor
- canker pathogene0pathogen
- Second interactor
- mycorrhizal fungie0symbiont
- Outcome
- absorption of nutrient and growth of poplare0
- Direction
- improvee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mycorrhizal fungi can improve the absorption of nutrient and growth of poplar when attacked by canker pathogen”
Claim · model-written summary
Protective enzyme activity and resistant compounds were increased in mycorrhizal poplar seedlings.
- Treatment
- mycorrhizale0
- Interactor
- mycorrhizale0symbiont
- Outcome
- activity of protective enzyme and resistant compounde0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the activity of protective enzyme and resistant compound were increased in the mycorrhizal poplar seedlings”
Claim · model-written summary
The authors explain induced secondary defence in poplar by the large amounts of chitinase and beta-1,3-glucanase produced in mycorrhizal seedlings.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“producing large amount of chitinase and β-1,3-glucanase to induce secondary defending reaction of poplar”
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See all 13 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.