Abstract
The objective was to assess the effect of chemical desiccation on seed germination and storability in three sunflower female inbred lines and to point at possible indicators for optimal performance time. Desiccation was performed with Diquat (2 l ha-1) applied at 7-day intervals from the end of flowering to harvest maturity. There were 6 treatments and control (untreated). Germination was tested 2 and 21 months after harvest. The highest germination was recorded when the desiccation was performed 35 days after flowering. Results showed that optimal moment for applying chemical desiccation when there is no negative effect on the seed germination is specific for each sunflower genotype. Seeds with a high level of germination (>90%) can be stored for 19 months without significant loss in germination, namely, it was not negatively affected by chemical desiccation. Seed moisture and growing degree-days can be used as reliable indicators for optimal desiccation time.
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Claims 6
Claim · model-written summary
Sunflower seed germination was highest after desiccation 35 days after flowering.
- Taxon
- Sunflower
Helianthus annuust0 - Treatment
- desiccatione0
- Outcome
- germinatione0
- Direction
- higheste0
- Qualifier
- 35 days after floweringe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The highest germination was recorded when the desiccation was performed 35 days after flowering”
t0“Sunflower”
Claim · model-written summary
The optimal desiccation time without loss of germination differed among sunflower genotypes.
- Taxon
- sunflowerHelianthus annuuse0
- Outcome
- optimal moment for applying chemical desiccatione0
- Qualifier
- specific for each sunflower genotypee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“optimal moment for applying chemical desiccation when there is no negative effect on the seed germination is specific for each sunflower genotype”
Claim · model-written summary
Seeds with initial germination above 90% could be stored for 19 months without significant germination loss.
- Taxon
- sunflowerHelianthus annuust0
- Outcome
- germinatione0
- Direction
- without significant losse0
- Value
- 19 monthse0
- Qualifier
- >90%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seeds with a high level of germination (>90%) can be stored for 19 months without significant loss in germination”
t0“sunflower”
Claim · model-written summary
Chemical desiccation did not negatively affect germination in the stated storage finding.
- Taxon
- sunflowerHelianthus annuust0
- Treatment
- chemical desiccatione0
- Outcome
- germinationt0
- Direction
- not negatively affectede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“it was not negatively affected by chemical desiccation”
t0“sunflower seed germination”
Claim · model-written summary
Seed moisture was identified as a reliable indicator of optimal desiccation time.
- Taxon
- sunflowerHelianthus annuust0
- Outcome
- reliable indicators for optimal desiccation timee0
- Qualifier
- Seed moisturee0
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed moisture and growing degree-days can be used as reliable indicators for optimal desiccation time”
t0“Sunflower”
Claim · model-written summary
Growing degree-days were identified as a reliable indicator of optimal desiccation time.
- Taxon
- sunflowerHelianthus annuust0
- Outcome
- reliable indicators for optimal desiccation timee0
- Qualifier
- growing degree-dayse0
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed moisture and growing degree-days can be used as reliable indicators for optimal desiccation time”
t0“Sunflower”
The same questions in other papers
drought · growth · Helianthus annuus (common sunflower)Results differ
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- negative
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See all 59 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.