Abstract
Among the essential micronutrients, zinc (Zn) affects vital functions in crop plants. The influences of foliar nourishing with certain Zn-containing forms on the growth, productivity, and physiology of carrot plants (cv. Fire wedge F1) and their nutritional contents when grown in Zn-deficient soil were examined in both 2019/2020 and 2020/2021 field trials. Two doses of zinc oxide nanoparticles (ZnO-NPs(1) = 20 and ZnO-NPs(2) = 40 mg L−1), zinc–EDTA (Zn–EDTA(1) = 1 and Zn–EDTA(2) = 2 g L−1), or bulk zinc oxide (ZnO-B(1) = 200 and ZnO-B(2) = 400 mg L−1) were applied three times. The data outputted indicated, in general, that ZnO-NPs(2) were the best treatment that conferred more acceptable plant growth (measured as shoot length and fresh and dry weights), physiology (measured as cell membrane stability index, SPAD readings, and nutrient uptake), and nutritional homeostasis (e.g., P, Ca, Fe, Mn, Zn, and Cu contents). All these positive attributes were reflected in the highest yield, which was measured as fresh weight, dry matter, length, diameter, volume, and total yield of carrot roots. However, there were some exceptions, including the highest membrane stability index in both seasons, the highest Cu uptake and Mn content in the first season, and root fresh weight in both seasons obtained with ZnO-NPs(1). Moreover, the maximum P uptake and root dry matter were obtained with ZnO-B(1) and the highest content of root P was obtained by ZnO-B(2). Based on the above data, foliar nourishing with ZnO-NPs(2) can be recommended for the sustainability of carrot cultivation in Zn-deficient soils.
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Claims 10
Claim · model-written summary
Foliar ZnO-NPs(2) was the best treatment for carrot plant growth (shoot length and fresh and dry weights) in Zn-deficient soil.
- Taxon
- Carrot
Daucus carotat0 - Treatment
- ZnO-NPs(2)e0
- Outcome
- plant growth (measured as shoot length and fresh and dry weights)e1
- Direction
- best treatmente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Carrot”
e0“ZnO-NPs(2) were the best treatment”
e1“plant growth (measured as shoot length and fresh and dry weights)”
Claim · model-written summary
Foliar ZnO-NPs(2) was the best treatment for carrot physiology (cell membrane stability index, SPAD readings, nutrient uptake).
- Taxon
- CarrotDaucus carotat0
- Treatment
- ZnO-NPs(2)e0
- Outcome
- physiology (measured as cell membrane stability index, SPAD readings, and nutrient uptake)e1
- Direction
- best treatmente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Carrot”
e0“ZnO-NPs(2) were the best treatment”
e1“physiology (measured as cell membrane stability index, SPAD readings, and nutrient uptake)”
Claim · model-written summary
Foliar ZnO-NPs(2) was the best treatment for carrot nutritional homeostasis (P, Ca, Fe, Mn, Zn and Cu contents).
- Taxon
- CarrotDaucus carotat0
- Treatment
- ZnO-NPs(2)e0
- Outcome
- nutritional homeostasis (e.g., P, Ca, Fe, Mn, Zn, and Cu contents)e1
- Direction
- best treatmente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Carrot”
e0“ZnO-NPs(2) were the best treatment”
e1“nutritional homeostasis (e.g., P, Ca, Fe, Mn, Zn, and Cu contents)”
Claim · model-written summary
Foliar ZnO-NPs(2) gave the highest carrot root yield (fresh weight, dry matter, length, diameter, volume and total yield).
- Taxon
- carrotDaucus carotae1
- Treatment
- ZnO-NPs(2)e0
- Outcome
- yielde1
- Direction
- higheste1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ZnO-NPs(2) were the best treatment”
e1“All these positive attributes were reflected in the highest yield, which was measured as fresh weight, dry matter, length, diameter, volume, and total yield of carrot roots”
Claim · model-written summary
The highest membrane stability index in both seasons was obtained with ZnO-NPs(1).
- Taxon
- CarrotDaucus carotat0
- Treatment
- ZnO-NPs(1)e1
- Outcome
- membrane stability indexe1
- Direction
- higheste1
- Qualifier
- in both seasonse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Carrot”
e1“including the highest membrane stability index in both seasons, the highest Cu uptake and Mn content in the first season, and root fresh weight in both seasons obtained with ZnO-NPs(1)”
Claim · model-written summary
The highest Cu uptake and Mn content in the first season were obtained with ZnO-NPs(1).
- Taxon
- CarrotDaucus carotat0
- Treatment
- ZnO-NPs(1)e1
- Outcome
- Cu uptake and Mn contente1
- Direction
- higheste1
- Qualifier
- in the first seasone1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Carrot”
e1“including the highest membrane stability index in both seasons, the highest Cu uptake and Mn content in the first season, and root fresh weight in both seasons obtained with ZnO-NPs(1)”
Claim · model-written summary
The highest root fresh weight in both seasons was obtained with ZnO-NPs(1).
- Taxon
- CarrotDaucus carotat0
- Treatment
- ZnO-NPs(1)e1
- Outcome
- root fresh weighte1
- Direction
- higheste1
- Qualifier
- in both seasonse1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Carrot”
e1“including the highest membrane stability index in both seasons, the highest Cu uptake and Mn content in the first season, and root fresh weight in both seasons obtained with ZnO-NPs(1)”
Claim · model-written summary
The maximum P uptake and root dry matter were obtained with ZnO-B(1).
- Taxon
- CarrotDaucus carotat0
- Treatment
- ZnO-B(1)e1
- Outcome
- P uptake and root dry mattere1
- Direction
- maximume1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Carrot”
e1“the maximum P uptake and root dry matter were obtained with ZnO-B(1)”
Claim · model-written summary
The highest content of root P was obtained with ZnO-B(2).
- Taxon
- CarrotDaucus carotat0
- Treatment
- ZnO-B(2)e1
- Outcome
- content of root Pe1
- Direction
- higheste1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Carrot”
e1“the highest content of root P was obtained by ZnO-B(2)”
Claim · model-written summary
Foliar nourishing with ZnO-NPs(2) is recommended for the sustainability of carrot cultivation in Zn-deficient soils.
- Taxon
- carrotDaucus carotae0
- Treatment
- foliar nourishing with ZnO-NPs(2)e0
- Outcome
- sustainability of carrot cultivatione0
- Setting
- Zn-deficient soilse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“foliar nourishing with ZnO-NPs(2) can be recommended for the sustainability of carrot cultivation in Zn-deficient soils”
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See all 7 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.