Abstract
Potential Zn-deficiency is widespread in calcareous soil in North China,and Zn concentration and its bioavailability of wheat grain could be improved by foliar Zn application in this region,however,the balance of micronutrients might be changed by Zn spraying.In order to investigate the effect of foliar Zn application on the micronutrient of wheat grain,field experiments were consecutively conducted in the first(2005～2006) and the second(2006～2007) cropping seasons.The results showed that there was no significant effect of foliar Zn application on the yield of wheat grain compared to no Zn supply.In the first and second cropping seasons,beside that the grain Zn concentrations were increased by 51.7% and 73.5% on average under the condition of Zn spraying at different growth stage compared to no Zn supply,and Fe concentrations were also increased by 12.4% and 12.9%;there were no significant effect of Zn spraying at jointing and flowering stages on the Cu concentration in wheat grain,but foliar Zn application at early grain filling and late grain filling stages decreased the Cu concentration,and there was no significant effect of Zn spraying on the grain Mn concentration;the phytic acid concentration decreased by 11.06% and 16.92% under the condition of Zn spraying compare to no Zn supply,respectively.N fertilization decreased grain Mn concentration,but increased the total content of Zn+Fe+Mn+Cu,and it decreased the phytic acid concentration of wheat grain.In conclusion,the Zn and Fe concentration of wheat grain can be increased by foliar Zn application on potentially Zn-deficient calcareous soil,and synergistic effect occurred in wheat grain when foliar Zn application was conducted;Zn spraying increased the total content of micronutrients,and at the same time,it also improved the bioavailability of grain micronutrients.
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Claims 13
Claim · model-written summary
Foliar Zn did not significantly change wheat grain yield versus no Zn supply.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- foliar Zn applicatione0
- Outcome
- yield of wheat graine0
- Comparator
- no Zn supplye0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“there was no significant effect of foliar Zn application on the yield of wheat grain compared to no Zn supply”
Claim · model-written summary
Foliar Zn increased grain Zn concentrations by 51.7% and 73.5% across the two seasons.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Zn spraying at different growth stagee0
- Outcome
- grain Zn concentrationse0
- Direction
- increasede0
- Value
- 51.7% and 73.5%e0
- Comparator
- no Zn supplye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“grain Zn concentrations were increased by 51.7% and 73.5% on average under the condition of Zn spraying at different growth stage compared to no Zn supply”
Claim · model-written summary
Foliar Zn increased grain Fe concentrations by 12.4% and 12.9%.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Zn spraying at different growth stagee1
- Outcome
- Fe concentrationse0
- Direction
- increasede0
- Value
- 12.4% and 12.9%e0
- Comparator
- no Zn supplye1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Fe concentrations were also increased by 12.4% and 12.9%”
e1“Zn spraying at different growth stage compared to no Zn supply”
Claim · model-written summary
Zn spraying at jointing and flowering had no significant effect on wheat grain Cu concentration.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Zn spraying at jointing and flowering stagese0
- Outcome
- Cu concentration in wheat graine0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“there were no significant effect of Zn spraying at jointing and flowering stages on the Cu concentration in wheat grain”
Claim · model-written summary
Foliar Zn at early grain filling decreased wheat grain Cu concentration.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- foliar Zn application at early grain fillinge0
- Outcome
- Cu concentratione0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“foliar Zn application at early grain filling and late grain filling stages decreased the Cu concentration”
Claim · model-written summary
Foliar Zn at late grain filling decreased wheat grain Cu concentration.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- late grain fillinge0
- Outcome
- Cu concentratione0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“foliar Zn application at early grain filling and late grain filling stages decreased the Cu concentration”
Claim · model-written summary
Zn spraying had no significant effect on grain Mn concentration.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Zn sprayinge0
- Outcome
- grain Mn concentratione0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“there was no significant effect of Zn spraying on the grain Mn concentration”
Claim · model-written summary
Zn spraying decreased wheat grain phytic acid concentration by 11.06% and 16.92% in the two seasons.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Zn sprayinge0
- Outcome
- phytic acid concentratione0
- Direction
- decreasede0
- Value
- 11.06% and 16.92%e0
- Comparator
- no Zn supplye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“the phytic acid concentration decreased by 11.06% and 16.92% under the condition of Zn spraying compare to no Zn supply”
Claim · model-written summary
N fertilization decreased wheat grain Mn concentration.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- N fertilizatione0
- Outcome
- grain Mn concentratione0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“N fertilization decreased grain Mn concentration”
Claim · model-written summary
N fertilization increased total wheat grain Zn, Fe, Mn and Cu content.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- N fertilizatione0
- Outcome
- total content of Zn+Fe+Mn+Cue0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“N fertilization decreased grain Mn concentration,but increased the total content of Zn+Fe+Mn+Cu”
Claim · model-written summary
N fertilization decreased wheat grain phytic acid concentration.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- N fertilizatione0
- Outcome
- phytic acid concentration of wheat graine0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“N fertilization decreased grain Mn concentration,but increased the total content of Zn+Fe+Mn+Cu,and it decreased the phytic acid concentration of wheat grain”
Claim · model-written summary
Zn spraying increased total wheat grain micronutrient content.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Zn sprayinge0
- Outcome
- total content of micronutrientse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Zn spraying increased the total content of micronutrients”
Claim · model-written summary
Zn spraying improved the bioavailability of wheat grain micronutrients.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- Zn sprayinge0
- Outcome
- bioavailability of grain micronutrientse0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“wheat”
e0“Zn spraying increased the total content of micronutrients,and at the same time,it also improved the bioavailability of grain micronutrients”
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