Abstract
Banana plants require substantial nutrients, and their growth is significantly hindered by nutrient deficiency. This study investigated the influences of Piriformospora indica colonization on the growth of clean river sand-cultivated banana plants under varying phosphorus (P) and potassium (K) levels. Banana plants without (CK) and with P. indica colonization (PI) were watered using Hoagland solutions with four gradients of P or K (100%, 50%, 25%, and 0%). Results showed that P. indica colonization promoted the growth of banana plants under different concentrations of P and K treatments. Further analysis revealed that the pseudo-stem P and K contents were very significantly (p < 0.01) positively and positively correlated with biomass-related parameters (aboveground part fresh weight, root fresh weight, and total plant biomass), respectively. Root starch, sucrose, proline (PRO), and anthocyanins contents, as well as leaf malondialdehyde (MDA) and PRO contents, were positively correlated with most growth-related parameters. However, root and leaf flavonoid contents, total antioxidant capacity (T-AOC), and leaf anthocyanin content showed negative correlations with growth-related parameters. Moreover, a very significant negative correlation (p < 0.01) was identified between root T-AOC and root starch content. Additionally, P. indica altered the P and K reduction-caused starch content change patterns in both leaves and roots. Our study demonstrated that P. indica colonization promoted the growth of banana under different concentrations of P and K treatments by mediating the accumulation of carbohydrates, secondary metabolites, osmoprotectants, and so on.
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Claims 9
Claim · model-written summary
P. indica promoted banana growth across P and K concentrations.
Verbatim
e0“P. indica colonization promoted the growth of banana plants under different concentrations of P and K treatments”
t0“Banana”
e1“Banana plants without (CK) and with P. indica colonization (PI)”
Claim · model-written summary
Pseudo-stem P content was strongly positively correlated with biomass parameters.
Verbatim
e0“pseudo-stem P and K contents were very significantly (p < 0.01) positively and positively correlated with biomass-related parameters (aboveground part fresh weight, root fresh weight, and total plant biomass), respectively”
t0“Banana”
Claim · model-written summary
Pseudo-stem K content was positively correlated with biomass parameters.
Verbatim
e0“pseudo-stem P and K contents were very significantly (p < 0.01) positively and positively correlated with biomass-related parameters (aboveground part fresh weight, root fresh weight, and total plant biomass), respectively”
t0“Banana”
Claim · model-written summary
Root starch, sucrose and proline contents correlated positively with growth parameters.
Verbatim
e0“Root starch, sucrose, proline (PRO), and anthocyanins contents, as well as leaf malondialdehyde (MDA) and PRO contents, were positively correlated with most growth-related parameters”
t0“Banana”
Claim · model-written summary
Root anthocyanins and leaf MDA and PRO contents correlated positively with growth parameters.
Verbatim
e0“Root starch, sucrose, proline (PRO), and anthocyanins contents, as well as leaf malondialdehyde (MDA) and PRO contents, were positively correlated with most growth-related parameters”
t0“Banana”
Claim · model-written summary
Root and leaf flavonoids and total antioxidant capacity correlated negatively with growth.
Verbatim
e0“root and leaf flavonoid contents, total antioxidant capacity (T-AOC), and leaf anthocyanin content showed negative correlations with growth-related parameters”
t0“Banana”
Claim · model-written summary
Leaf anthocyanin content correlated negatively with growth.
Verbatim
e0“leaf anthocyanin content showed negative correlations with growth-related parameters”
t0“Banana”
Claim · model-written summary
Root antioxidant capacity correlated negatively with root starch content.
Verbatim
e0“a very significant negative correlation (p < 0.01) was identified between root T-AOC and root starch content”
t0“Banana”
Claim · model-written summary
P. indica altered starch content change patterns caused by P and K reduction in leaves and roots.
- Taxon
- Bananat0
- Organ / stage
- leaves and rootse0
- Treatment
- P. indicae0
- Interactor
- P. indicaSerendipita indicae0symbiont
- Outcome
- starch content change patternse0
Not reportedComparatorDirection
Verbatim
e0“P. indica altered the P and K reduction-caused starch content change patterns in both leaves and roots”
t0“Banana”
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