Abstract
Aerobic rice has the advantage of saving water. Most published work has focused on improving its yield, while few reported on its micronutrient status. In fact, Fe deficiency is a common nutritional problem in the production of aerobic rice. Short-term hydroponic culture experiments were conducted to study the response of aerobic rice to Fe deficiency and the effect of root exudates from Fe-deficient wheat on its Fe uptake ability. The results indicate that the amount of phytosiderophores (PS) released from aerobic rice did not increase under Fe deficient conditions. The Fe(III) reducing capacity of Fe-deficient aerobic rice did not increase and the solution pH did not decrease significantly. What's more, no obvious swelling was observed in the root tips. Aerobic rice did not show special responses to improve their Fe nutrition under Fe deficiency as both strategy I and II plants though they were very sensitive to Fe deficiency. This may be a reason which causes Fe deficiency problem in aerobic rice. However, root exudates from Fe-deficient wheat (PSw) could improve its Fe nutrition in the presence of insoluble Fe(OH)3. This suggests that aerobic rice could utilize Fe activated by PSw.
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Claims 6
Claim · model-written summary
Phytosiderophore release did not increase under iron deficiency.
- Taxon
- aerobic ricee0
- Treatment
- Fe deficient conditionse0
- Outcome
- amount of phytosiderophores (PS) releasede0
- Direction
- did not increasee0
Not reportedComparator
Verbatim
e0“The results indicate that the amount of phytosiderophores (PS) released from aerobic rice did not increase under Fe deficient conditions.”
Claim · model-written summary
Iron deficient aerobic rice did not increase its Fe(III) reducing capacity.
- Taxon
- aerobic ricee0
- Treatment
- Fe-deficiente0
- Outcome
- Fe(III) reducing capacitye0
- Direction
- did not increasee0
Not reportedComparator
Verbatim
e0“The Fe(III) reducing capacity of Fe-deficient aerobic rice did not increase”
Claim · model-written summary
Solution pH did not decrease significantly.
Not reportedComparator
Verbatim
e0“the solution pH did not decrease significantly.”
t0“Aerobic Rice”
t1“Fe-deficient aerobic rice”
Claim · model-written summary
No obvious swelling occurred in root tips.
Not reportedDirection
Verbatim
e0“no obvious swelling was observed in the root tips.”
t0“Aerobic Rice”
Claim · model-written summary
Aerobic rice was very sensitive to iron deficiency.
Verbatim
e0“they were very sensitive to Fe deficiency.”
t0“Aerobic Rice”
Claim · model-written summary
Exudates from iron deficient wheat improved aerobic rice iron nutrition with insoluble Fe(OH)3.
- Taxon
- Aerobic Ricet0
- Treatment
- root exudates from Fe-deficient wheat (PSw)e0
- Outcome
- Fe nutritione0
- Direction
- improvee0
Not reportedComparator
Verbatim
e0“root exudates from Fe-deficient wheat (PSw) could improve its Fe nutrition in the presence of insoluble Fe(OH)3.”
t0“Aerobic Rice”
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