Abstract
SUMMARY Sugar beet ( Beta vulgaris L.) is one of the most important sugar crops worldwide. Despite the fact that sugar beet crop has high requirements for boron (B), the effect of B applications on seed yield and on seed quality is not known. A 2-year field study was conducted to determine whether soil and foliar B applications during anthesis increase seed set, final seed yield and improve seed quality of sugar beets. Boron solutions were applied at four rates (0, 245, 490 and 735 mg/l of B) as foliar applications and at two rates (1·5 and 3 kg/ha of B) as soil applications to field plots exhibiting no vegetative symptoms of B deficiency. Foliar B application increased the concentration of B in vegetative and reproductive tissues much more than soil application. In addition, foliar B application increased the seed yield by an average of 10% in the first year and by an average of 44% in the second year. The mean seed weight was affected by B application as it was increased in both years. The proportion of larger seeds (>5·00 and 4·5–5·00 mm) increased with increasing application of B. Moreover, seed quality was affected and the proportion of abnormal seedlings was decreased with B application. However, seed vigour was not affected by B application. These data indicate that foliar B application can improve seed yield and seed quality of sugar beet grown for seed production. However, the physiological basis of this effect remains unknown.
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Claims 8
Claim · model-written summary
Foliar boron application increased sugar beet seed yield by 10% in the first year.
- Taxon
- sugar beets
Beta vulgaris subsp. vulgarist0 - Treatment
- foliar B applicatione1
- Outcome
- seed yielde1
- Direction
- increasede1
- Value
- 10%e1
- Qualifier
- in the first yeare1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Boron application affects seed yield and seed quality of sugar beets”
e1“foliar B application increased the seed yield by an average of 10% in the first year and by an average of 44% in the second year”
Claim · model-written summary
Foliar boron application increased sugar beet seed yield by 44% in the second year.
- Taxon
- sugar beetsBeta vulgaris subsp. vulgarist0
- Treatment
- foliar B applicatione1
- Outcome
- seed yielde1
- Direction
- increasede1
- Value
- 44%e1
- Qualifier
- in the second yeare1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Boron application affects seed yield and seed quality of sugar beets”
e1“foliar B application increased the seed yield by an average of 10% in the first year and by an average of 44% in the second year”
Claim · model-written summary
Foliar boron application increased boron concentration in vegetative and reproductive tissues much more than soil application.
- Taxon
- sugar beetsBeta vulgaris subsp. vulgarist0
- Organ / stage
- vegetative and reproductive tissuese2
- Treatment
- foliar B applicatione2
- Outcome
- concentration of B in vegetative and reproductive tissuese2
- Direction
- increasede2
- Qualifier
- much moree2
- Comparator
- soil applicatione2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Boron application affects seed yield and seed quality of sugar beets”
e2“Foliar B application increased the concentration of B in vegetative and reproductive tissues much more than soil application”
Claim · model-written summary
Boron application increased mean seed weight of sugar beet in both years.
- Taxon
- sugar beetsBeta vulgaris subsp. vulgarist0
- Treatment
- B applicatione3
- Outcome
- mean seed weighte3
- Direction
- increasede3
- Qualifier
- in both yearse3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Boron application affects seed yield and seed quality of sugar beets”
e3“The mean seed weight was affected by B application as it was increased in both years”
Claim · model-written summary
Increasing boron application increased the proportion of larger seeds (>5·00 and 4·5–5·00 mm) in sugar beet.
- Taxon
- sugar beetsBeta vulgaris subsp. vulgarist0
- Treatment
- increasing application of Be4
- Outcome
- proportion of larger seedse4
- Direction
- increasede4
- Qualifier
- >5·00 and 4·5–5·00 mme4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Boron application affects seed yield and seed quality of sugar beets”
e4“The proportion of larger seeds (>5·00 and 4·5–5·00 mm) increased with increasing application of B”
Claim · model-written summary
Boron application decreased the proportion of abnormal seedlings of sugar beet.
- Taxon
- sugar beetsBeta vulgaris subsp. vulgarist0
- Treatment
- B applicatione5
- Outcome
- proportion of abnormal seedlingse5
- Direction
- decreasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Boron application affects seed yield and seed quality of sugar beets”
e5“the proportion of abnormal seedlings was decreased with B application”
Claim · model-written summary
Boron application did not affect seed vigour of sugar beet.
- Taxon
- sugar beetsBeta vulgaris subsp. vulgarist0
- Treatment
- B applicatione6
- Outcome
- seed vigoure6
- Direction
- not affectede6
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Boron application affects seed yield and seed quality of sugar beets”
e6“seed vigour was not affected by B application”
Claim · model-written summary
Foliar boron application can improve seed yield and seed quality of sugar beet grown for seed production.
- Taxon
- sugar beetBeta vulgaris subsp. vulgarise7
- Treatment
- foliar B applicatione7
- Outcome
- seed yield and seed qualitye7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e7“These data indicate that foliar B application can improve seed yield and seed quality of sugar beet grown for seed production”
The same questions in other papers
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- positive
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111 papers in the same direction as this paper · 7 in the opposite direction · 1 reporting no difference from an alternative
- no effect
- no effect
- no effect
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See all 120 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.