Paper · 1987 · Journal of Plant Nutrition

Effect of boron on ear formation and yield components of two maize (Zea maysL.) hybrids

A. Mozafar

10
claims
19
verbatim quotes
21
citations
3
research areas
—
Not open access

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

Associationobservedoriginal resultmeasured

Claim · model-written summary

Ear-leaf boron increased linearly as solution boron rose in Mutin.

Taxon
maizeZea mayst0
Material
Mutine0
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.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

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.”

✓ located verbatim in the source · abstract, characters 185–467 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 61–66 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

Ear-leaf boron increased nonlinearly as solution boron rose in Carlos Semu 201.

Taxon
maizeZea mayst0
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.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

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.”

✓ located verbatim in the source · abstract, characters 185–467 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 61–66 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Ear-leaf B reached 29.1 mmol kg–1 in Mutin without unequivocal toxicity symptoms.

Taxon
maizeZea mayst0
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.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

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.”

✓ located verbatim in the source · abstract, characters 185–467 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 61–66 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Ear-leaf B reached 28.1 mmol kg–1 in Carlos Semu 201 without unequivocal toxicity symptoms.

Taxon
maizeZea mayst0
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.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

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.”

✓ located verbatim in the source · abstract, characters 185–467 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 61–66 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Interrupting boron supply curtailed normal ear development, more severely in Mutin.

Taxon
maizeZea mayst0
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.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

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.”

✓ located verbatim in the source · abstract, characters 468–647 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 61–66 · show in text ↑
Observationobservedoriginal resultmeasured

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).

Taxon
maizeZea mayst0
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.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

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).”

✓ located verbatim in the source · abstract, characters 648–823 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 61–66 · show in text ↑
Observationobservedoriginal resultmeasured

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).

Taxon
maizeZea mayst0
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.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

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).”

✓ located verbatim in the source · abstract, characters 648–823 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 61–66 · show in text ↑
Observationobservedoriginal resultmeasured

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).

Taxon
maizeZea mayst0
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.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

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).”

✓ located verbatim in the source · abstract, characters 648–823 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 61–66 · show in text ↑
Observationauthor interpretationoriginal resultmeasured

Claim · model-written summary

The hybrids differ in B requirement, which exceeds often-cited values.

Taxon
maizeZea mayst0
Outcome
B requiremente0
Direction
highere0
Comparator
most‐cited valuese0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

Verbatim

e0

“The data indicate that the B requirement of the hybrids tested is different and is higher than the most‐cited values.”

✓ located verbatim in the source · abstract, characters 824–941 · show in text ↑
t0

“maize”

✓ located verbatim in the source · title, characters 61–66 · show in text ↑
Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

Higher critical B levels for production indicate a role for B in storage of assimilates.

Taxon
maizeZea mayse0
Outcome
storage of assimilatese0
Qualifier
higher critical B levelse0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Zea mays
Zea mays · TaxonAkwugo · CC BY-SA 4.0 · Wikimedia Commons ↗

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.”

✓ located verbatim in the source · abstract, characters 942–1096 · show in text ↑

boron atom · growth · Zea mays (maize)Results differ

56 papers: 46 positive, 10 negative or no effect

9 papers in the same direction as this paper · 46 in the opposite direction

  1. positive
  2. positive
  3. positive

52 papers more in this group

See all 56 papers →

stage · growth · Zea mays (maize)Positive and negative results

26 papers: 12 positive, 14 negative or no effect

13 papers in the same direction as this paper · 12 in the opposite direction

  1. positive
  2. positive
  3. positive

22 papers more in this group

See all 26 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.