Abstract
Abstract In sand culture, the effect of various B concentrations in nutrient solution on ear formation and yield response of maize cultivars Mutin and Carlos Semu 201 was investigated. Under continuous B supply, as the B concentration in the solution was raised, ear‐leaf B increased linearly in Mutin (r = 0.93) but nonlinearly in Carlos Semu 201 (R2 = 0.75) and reached 29.1 and 28.1 mmol kg–1, respectively, without showing any unequivocal toxicity symptoms for B. Interruption in the B supply (from one week prior to tasseling until maturity) curtailed the normal development of the ear, which was more severe in Mutin than in Carlos Semu 201. Critical ear‐leaf B concentrations for stover, total, and ear yield were higher in Mutin (3.8, 14.8, and 25.3 mmol kg–1) than in Carlos Semu 201 (1.9, 6.0, and 8.4 mmol kg–1). The data indicate that the B requirement of the hybrids tested is different and is higher than the most‐cited values. The higher critical B levels observed for stover, total and ear production indicate that B plays an important role in the storage of assimilates in maize.
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Claims 10
Claim · model-written summary
Ear-leaf boron increased linearly as solution boron rose in Mutin.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Under continuous B supply, as the B concentration in the solution was raised, ear‐leaf B increased linearly in Mutin (r = 0.93) but nonlinearly in Carlos Semu 201 (R2 = 0.75) and reached 29.1 and 28.1 mmol kg–1, respectively, without showing any unequivocal toxicity symptoms for B.”
t0“maize”
Claim · model-written summary
Ear-leaf boron increased nonlinearly as solution boron rose in Carlos Semu 201.
- Material
- Carlos Semu 201e0
- Treatment
- B concentration in the solutione0
- Outcome
- ear‐leaf Be0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Under continuous B supply, as the B concentration in the solution was raised, ear‐leaf B increased linearly in Mutin (r = 0.93) but nonlinearly in Carlos Semu 201 (R2 = 0.75) and reached 29.1 and 28.1 mmol kg–1, respectively, without showing any unequivocal toxicity symptoms for B.”
t0“maize”
Claim · model-written summary
Ear-leaf B reached 29.1 mmol kg–1 in Mutin without unequivocal toxicity symptoms.
- Material
- Mutine0
- Outcome
- ear‐leaf Be0
- Direction
- reachede0
- Value
- 29.1e0
- Qualifier
- without showing any unequivocal toxicity symptoms for Be0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Under continuous B supply, as the B concentration in the solution was raised, ear‐leaf B increased linearly in Mutin (r = 0.93) but nonlinearly in Carlos Semu 201 (R2 = 0.75) and reached 29.1 and 28.1 mmol kg–1, respectively, without showing any unequivocal toxicity symptoms for B.”
t0“maize”
Claim · model-written summary
Ear-leaf B reached 28.1 mmol kg–1 in Carlos Semu 201 without unequivocal toxicity symptoms.
- Material
- Carlos Semu 201e0
- Outcome
- ear‐leaf Be0
- Direction
- reachede0
- Value
- 28.1e0
- Qualifier
- without showing any unequivocal toxicity symptoms for Be0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Under continuous B supply, as the B concentration in the solution was raised, ear‐leaf B increased linearly in Mutin (r = 0.93) but nonlinearly in Carlos Semu 201 (R2 = 0.75) and reached 29.1 and 28.1 mmol kg–1, respectively, without showing any unequivocal toxicity symptoms for B.”
t0“maize”
Claim · model-written summary
Interrupting boron supply curtailed normal ear development, more severely in Mutin.
- Material
- Mutine0
- Treatment
- Interruption in the B supply (from one week prior to tasseling until maturity)e0
- Outcome
- normal development of the eare0
- Direction
- curtailede0
- Comparator
- Carlos Semu 201e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Interruption in the B supply (from one week prior to tasseling until maturity) curtailed the normal development of the ear, which was more severe in Mutin than in Carlos Semu 201.”
t0“maize”
Claim · model-written summary
Critical ear-leaf B concentration for stover yield was higher in Mutin than Carlos Semu 201 (3.8 versus 1.9 mmol kg–1).
- Material
- Mutine0
- Outcome
- Critical ear‐leaf B concentrationse0
- Direction
- highere0
- Qualifier
- stovere0
- Comparator
- Carlos Semu 201e0
Not reportedValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Critical ear‐leaf B concentrations for stover, total, and ear yield were higher in Mutin (3.8, 14.8, and 25.3 mmol kg–1) than in Carlos Semu 201 (1.9, 6.0, and 8.4 mmol kg–1).”
t0“maize”
Claim · model-written summary
Critical ear-leaf B concentration for total yield was higher in Mutin than Carlos Semu 201 (14.8 versus 6.0 mmol kg–1).
- Material
- Mutine0
- Outcome
- Critical ear‐leaf B concentrationse0
- Direction
- highere0
- Qualifier
- totale0
- Comparator
- Carlos Semu 201e0
Not reportedValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Critical ear‐leaf B concentrations for stover, total, and ear yield were higher in Mutin (3.8, 14.8, and 25.3 mmol kg–1) than in Carlos Semu 201 (1.9, 6.0, and 8.4 mmol kg–1).”
t0“maize”
Claim · model-written summary
Critical ear-leaf B concentration for ear yield yield was higher in Mutin than Carlos Semu 201 (25.3 versus 8.4 mmol kg–1).
- Material
- Mutine0
- Outcome
- Critical ear‐leaf B concentrationse0
- Direction
- highere0
- Value
- 25.3 mmol kg–1e0
- Qualifier
- ear yielde0
- Comparator
- Carlos Semu 201e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“Critical ear‐leaf B concentrations for stover, total, and ear yield were higher in Mutin (3.8, 14.8, and 25.3 mmol kg–1) than in Carlos Semu 201 (1.9, 6.0, and 8.4 mmol kg–1).”
t0“maize”
Claim · model-written summary
The hybrids differ in B requirement, which exceeds often-cited values.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The data indicate that the B requirement of the hybrids tested is different and is higher than the most‐cited values.”
t0“maize”
Claim · model-written summary
Higher critical B levels for production indicate a role for B in storage of assimilates.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“The higher critical B levels observed for stover, total and ear production indicate that B plays an important role in the storage of assimilates in maize.”
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