Abstract
Phosphorus (P) and nitrogen (N) directly impact final crop productivity by playing essential roles in photosynthesis, ATP formation, carbon assimilation, cell division, and transport. Compared with nutrient application to soil, the nutrients are applied directly to leaves provides a faster response because the nutrients enter plant metabolism more quickly. Foliar fertilization with nutritional supplements can intend to increase crop yields, and little is known about its ability to reduce oxidative stress. This study evaluated the effects of foliar fertilization on crop recovery from phytotoxicity induced by herbicide exposure. Phytotoxicity was induced in soybean, maize, and cotton plants by applying the herbicide carfentrazone-ethyl (at V 3 , V 3 and V 4 growth stages, respectively), which induces the accumulation of reactive oxygen species in the cytoplasm, leading to membrane rupture and the appearance of chlorotic spots on leaves. Phytotoxicity induction was followed by the foliar application of monoammonium phosphate (MAP) as a source of N and P. Leaf nutrient content, gas exchange performance, pigment content, photosynthetic enzyme activity, antioxidant metabolism, oxidative stress, proline content, metabolite content, and biometric parameters were evaluated. MAP supplementation increased chlorophyll content, and RuBisCO activity by up to 20.5% (maize) and 16.2% (cotton), respectively, resulting in higher net photosynthetic rates (26.3%; cotton), stomatal conductance (45.7%; cotton), water use efficiency (35.6%; cotton), and carboxylation efficiency (45%; cotton). The activities of antioxidant enzymes also increased, and the concentrations of oxidative stress indicators decreased (H 2 O 2 : 33.7% and MDA: 28.3%; soybean). Furthermore, the productivity of all three crops increased, suggesting that foliar application of MAP is an efficient strategy for attenuating phytotoxicity symptoms in crops.
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Claims 13
Claim · model-written summary
MAP increased chlorophyll content in maize by up to 20.5%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“MAP supplementation increased chlorophyll content, and RuBisCO activity by up to 20.5% (maize) and 16.2% (cotton), respectively”
Claim · model-written summary
MAP increased RuBisCO activity in cotton by up to 16.2%.
- Taxon
- cotton
Gossypium hirsutume0 - Treatment
- MAP supplementatione0
- Gene
- RuBisCOe0
- Outcome
- RuBisCO activitye0
- Direction
- increasede0
- Value
- 16.2%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“MAP supplementation increased chlorophyll content, and RuBisCO activity by up to 20.5% (maize) and 16.2% (cotton), respectively”
Claim · model-written summary
Cotton net photosynthetic rate was higher by 26.3% after MAP supplementation.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- MAP supplementatione0
- Outcome
- net photosynthetic ratese0
- Direction
- highere0
- Value
- 26.3%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“MAP supplementation increased chlorophyll content, and RuBisCO activity by up to 20.5% (maize) and 16.2% (cotton), respectively, resulting in higher net photosynthetic rates (26.3%; cotton), stomatal conductance (45.7%; cotton), water use efficiency (35.6%; cotton), and carboxylation efficiency (45%; cotton).”
Claim · model-written summary
Cotton stomatal conductance was higher by 45.7% after MAP supplementation.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- MAP supplementatione1
- Outcome
- stomatal conductancee0
- Direction
- highere0
- Value
- 45.7%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher net photosynthetic rates (26.3%; cotton), stomatal conductance (45.7%; cotton), water use efficiency (35.6%; cotton), and carboxylation efficiency (45%; cotton).”
e1“MAP supplementation increased chlorophyll content, and RuBisCO activity by up to 20.5% (maize) and 16.2% (cotton), respectively”
Claim · model-written summary
Cotton water use efficiency was higher by 35.6% after MAP supplementation.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- MAP supplementatione1
- Outcome
- water use efficiencye0
- Direction
- highere0
- Value
- 35.6%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher net photosynthetic rates (26.3%; cotton), stomatal conductance (45.7%; cotton), water use efficiency (35.6%; cotton), and carboxylation efficiency (45%; cotton).”
e1“MAP supplementation increased chlorophyll content, and RuBisCO activity by up to 20.5% (maize) and 16.2% (cotton), respectively”
Claim · model-written summary
Cotton carboxylation efficiency was higher by 45% after MAP supplementation.
- Taxon
- cottonGossypium hirsutume0
- Treatment
- MAP supplementatione1
- Outcome
- carboxylation efficiencye0
- Direction
- highere0
- Value
- 45%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher net photosynthetic rates (26.3%; cotton), stomatal conductance (45.7%; cotton), water use efficiency (35.6%; cotton), and carboxylation efficiency (45%; cotton).”
e1“MAP supplementation increased chlorophyll content, and RuBisCO activity by up to 20.5% (maize) and 16.2% (cotton), respectively”
Claim · model-written summary
MAP increased antioxidant enzyme activities.
- Taxon
- soybean, maize, and cottonGossypium hirsutum
Glycine max
Zea mayse2 - Treatment
- MAP supplementatione1
- Outcome
- activities of antioxidant enzymese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The activities of antioxidant enzymes also increased”
e1“MAP supplementation increased chlorophyll content”
e2“soybean, maize, and cotton plants”
Claim · model-written summary
MAP decreased soybean H 2 O 2 concentration by 33.7%.
- Taxon
- soybeanGlycine maxe0
- Treatment
- MAP supplementatione1
- Outcome
- H 2 O 2e0
- Direction
- decreasede0
- Value
- 33.7%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the concentrations of oxidative stress indicators decreased (H 2 O 2 : 33.7% and MDA: 28.3%; soybean).”
e1“MAP supplementation increased chlorophyll content”
Claim · model-written summary
MAP decreased soybean MDA concentration by 28.3%.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the concentrations of oxidative stress indicators decreased (H 2 O 2 : 33.7% and MDA: 28.3%; soybean).”
e1“MAP supplementation increased chlorophyll content”
Claim · model-written summary
MAP increased soybean productivity.
- Taxon
- soybeanGlycine maxe1
- Treatment
- MAP supplementatione2
- Outcome
- productivitye0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the productivity of all three crops increased”
e1“Phytotoxicity was induced in soybean, maize, and cotton plants”
e2“MAP supplementation increased chlorophyll content”
Claim · model-written summary
MAP increased maize productivity.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the productivity of all three crops increased”
e1“Phytotoxicity was induced in soybean, maize, and cotton plants”
e2“MAP supplementation increased chlorophyll content”
Claim · model-written summary
MAP increased cotton productivity.
- Taxon
- cottonGossypium hirsutume1
- Treatment
- MAP supplementatione2
- Outcome
- productivitye0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the productivity of all three crops increased”
e1“Phytotoxicity was induced in soybean, maize, and cotton plants”
e2“MAP supplementation increased chlorophyll content”
Claim · model-written summary
Authors recommend foliar MAP to attenuate crop phytotoxicity symptoms.
Verbatim
e0“foliar application of MAP is an efficient strategy for attenuating phytotoxicity symptoms in crops”
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3 papers more in this group
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.