Abstract
In order to study the effects of supplementary irrigation and nano iron oxide on the grain yield, and some physiological and biochemical traits of wheat (Triticum aestivum L.) under rain fed conditions, a factorial experiment was conducted based on a randomized complete block design with three replications in Agricultural Research Station of Ardabil, Northwest of Iran, in 2016. Factors included irrigation levels (no irrigation as the rainfed, supplementary irrigation at heading and booting stages), nano iron oxide application at four levels (without nano iron oxide as the control, application of 0.3, 0.6 and 0.9 g L-1). Application of 0.9 g L-1 nano iron oxide under rainfed condition increased soluble sugars and proline content and antioxidant enzymes activity (catalase, peroxidase and polyphenol oxidase) by 129.89, 168.76, 27.64, 94.2, and 31.71%, respectively, in comparison with no application of nano iron oxide and supplementary irrigation at the booting stage. Also, there were 75.89 and 38.43 increases, respectively, in the leaf protein and grain yield with the application of 0.9 g L-1 nano iron oxide and the supplementary irrigation at the booting stage, in comparison with no application of nano iron oxide under rainfed conditions. It seems that the application of nano iron oxide and supplementary irrigation can increase the grain yield of wheat under rainfed conditions due to improving the physiological and biochemical traits.
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Claims 8
Claim · model-written summary
Nano iron oxide under rainfed conditions increased wheat soluble sugars by 129.89.
- Taxon
- wheat
Triticum aestivume1 - Treatment
- 0.9 g L-1 nano iron oxide under rainfed conditione0
- Outcome
- soluble sugarse0
- Direction
- increasede0
- Value
- 129.89e0
- Comparator
- no application of nano iron oxide and supplementary irrigation at the booting stagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Application of 0.9 g L-1 nano iron oxide under rainfed condition increased soluble sugars and proline content and antioxidant enzymes activity (catalase, peroxidase and polyphenol oxidase) by 129.89, 168.76, 27.64, 94.2, and 31.71%, respectively, in comparison with no application of nano iron oxide and supplementary irrigation at the booting stage”
e1“wheat (Triticum aestivum L.)”
Claim · model-written summary
Nano iron oxide under rainfed conditions increased wheat proline content by 168.76.
- Taxon
- wheat
Triticum aestivume1 - Treatment
- 0.9 g L-1 nano iron oxide under rainfed conditione0
- Outcome
- proline contente0
- Direction
- increasede0
- Value
- 168.76e0
- Comparator
- no application of nano iron oxide and supplementary irrigation at the booting stagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Application of 0.9 g L-1 nano iron oxide under rainfed condition increased soluble sugars and proline content and antioxidant enzymes activity (catalase, peroxidase and polyphenol oxidase) by 129.89, 168.76, 27.64, 94.2, and 31.71%, respectively, in comparison with no application of nano iron oxide and supplementary irrigation at the booting stage”
e1“wheat (Triticum aestivum L.)”
Claim · model-written summary
Nano iron oxide under rainfed conditions increased wheat catalase by 27.64.
- Taxon
- wheat
Triticum aestivume1 - Treatment
- 0.9 g L-1 nano iron oxide under rainfed conditione0
- Outcome
- catalasee0
- Direction
- increasede0
- Value
- 27.64e0
- Comparator
- no application of nano iron oxide and supplementary irrigation at the booting stagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Application of 0.9 g L-1 nano iron oxide under rainfed condition increased soluble sugars and proline content and antioxidant enzymes activity (catalase, peroxidase and polyphenol oxidase) by 129.89, 168.76, 27.64, 94.2, and 31.71%, respectively, in comparison with no application of nano iron oxide and supplementary irrigation at the booting stage”
e1“wheat (Triticum aestivum L.)”
Claim · model-written summary
Nano iron oxide under rainfed conditions increased wheat peroxidase by 94.2.
- Taxon
- wheat
Triticum aestivume1 - Treatment
- 0.9 g L-1 nano iron oxide under rainfed conditione0
- Outcome
- peroxidasee0
- Direction
- increasede0
- Value
- 94.2e0
- Comparator
- no application of nano iron oxide and supplementary irrigation at the booting stagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Application of 0.9 g L-1 nano iron oxide under rainfed condition increased soluble sugars and proline content and antioxidant enzymes activity (catalase, peroxidase and polyphenol oxidase) by 129.89, 168.76, 27.64, 94.2, and 31.71%, respectively, in comparison with no application of nano iron oxide and supplementary irrigation at the booting stage”
e1“wheat (Triticum aestivum L.)”
Claim · model-written summary
Nano iron oxide under rainfed conditions increased wheat polyphenol oxidase by 31.71%.
- Taxon
- wheat
Triticum aestivume1 - Treatment
- 0.9 g L-1 nano iron oxide under rainfed conditione0
- Outcome
- polyphenol oxidasee0
- Direction
- increasede0
- Value
- 31.71%e0
- Comparator
- no application of nano iron oxide and supplementary irrigation at the booting stagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Application of 0.9 g L-1 nano iron oxide under rainfed condition increased soluble sugars and proline content and antioxidant enzymes activity (catalase, peroxidase and polyphenol oxidase) by 129.89, 168.76, 27.64, 94.2, and 31.71%, respectively, in comparison with no application of nano iron oxide and supplementary irrigation at the booting stage”
e1“wheat (Triticum aestivum L.)”
Claim · model-written summary
Nano iron oxide and supplementary irrigation increased wheat leaf protein by 75.89.
- Taxon
- wheat
Triticum aestivume1 - Treatment
- 0.9 g L-1 nano iron oxide and the supplementary irrigation at the booting stagee0
- Outcome
- leaf proteine0
- Direction
- increasese0
- Value
- 75.89e0
- Comparator
- no application of nano iron oxide under rainfed conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“there were 75.89 and 38.43 increases, respectively, in the leaf protein and grain yield with the application of 0.9 g L-1 nano iron oxide and the supplementary irrigation at the booting stage, in comparison with no application of nano iron oxide under rainfed conditions”
e1“wheat (Triticum aestivum L.)”
Claim · model-written summary
Nano iron oxide and supplementary irrigation increased wheat grain yield by 38.43.
- Taxon
- wheat
Triticum aestivume1 - Treatment
- 0.9 g L-1 nano iron oxide and the supplementary irrigation at the booting stagee0
- Outcome
- grain yielde0
- Direction
- increasese0
- Value
- 38.43e0
- Comparator
- no application of nano iron oxide under rainfed conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“there were 75.89 and 38.43 increases, respectively, in the leaf protein and grain yield with the application of 0.9 g L-1 nano iron oxide and the supplementary irrigation at the booting stage, in comparison with no application of nano iron oxide under rainfed conditions”
e1“wheat (Triticum aestivum L.)”
Claim · model-written summary
Authors interpreted increased wheat yield as due to improved physiological and biochemical traits.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- nano iron oxide and supplementary irrigatione0
- Outcome
- grain yielde0
- Direction
- increasee0
- Qualifier
- improving the physiological and biochemical traitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“the application of nano iron oxide and supplementary irrigation can increase the grain yield of wheat under rainfed conditions due to improving the physiological and biochemical traits”
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