Abstract
ABSTRACT Gladiolus is an important cut flower commercialized in Brazil, and the use of gibberellic acid (GA3) to cultivate it in a protected environment may promote the production of high quality flower spikes. This study aimed at evaluating the production of flower spikes and corms of gladiolus ('White Friendship' cultivar) submitted to high concentrations and application methods of gibberellic acid, in a protected environment. The experimental design was randomized blocks, in a 2 x 4 factorial arrangement, being two application methods (foliar spraying and corm soaking) and four concentrations (0 mg L-1, 250 mg L-1, 500 mg L-1 and 1,000 mg L-1) of gibberellic acid, with six replications and two plants per experimental unit. The following traits were evaluated: plant height, number of leaves per plant, marketable harvest point of flower spikes, number of florets per flower spike, flower panicle length, stem and floret diameter, corm perimeter, number of cormels per plant and production of corm fresh matter and leaf dry matter, flower spikes, corms and cormels. High concentrations of GA3 are not recommended for the production of flower spikes and corms of the gladiolus 'White Friendship' cultivar. The corm soaking application method anticipates the harvest of flower spikes and produces a higher number of cormels per plant. Regardless of the application method, the concentration of 550 mg L-1 of GA3 increases the cormel yield of the 'White Friendship' cultivar.
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Claims 4
Claim · model-written summary
High concentrations of GA3 are not recommended for producing gladiolus flower spikes and corms.
- Material
- White Friendshipe2
- Treatment
- High concentrations of GA3e3
- Outcome
- production of flower spikes and cormse3
GladiolusOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Gladiolus is an important cut flower commercialized in Brazil”
e2“gladiolus ('White Friendship' cultivar)”
e3“High concentrations of GA3 are not recommended for the production of flower spikes and corms of the gladiolus 'White Friendship' cultivar”
Claim · model-written summary
Corm soaking anticipates the harvest of gladiolus flower spikes.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Gladiolus is an important cut flower commercialized in Brazil”
e4“The corm soaking application method anticipates the harvest of flower spikes and produces a higher number of cormels per plant”
Claim · model-written summary
Corm soaking produced a higher number of cormels per plant.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Gladiolus is an important cut flower commercialized in Brazil”
e4“The corm soaking application method anticipates the harvest of flower spikes and produces a higher number of cormels per plant”
Claim · model-written summary
The 550 mg L-1 GA3 concentration increased cormel yield of the White Friendship cultivar regardless of application method.
- Material
- White Friendshipe5
- Organ / stage
- cormele5
- Treatment
- the concentration of 550 mg L-1 of GA3e5
- Outcome
- cormel yielde5
- Direction
- increasese5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Gladiolus is an important cut flower commercialized in Brazil”
e5“Regardless of the application method, the concentration of 550 mg L-1 of GA3 increases the cormel yield of the 'White Friendship' cultivar”
The same questions in other papers
Gibberellic acid · yield · GladiolusResults agree
25 papers in the same direction as this paper
- positive
- positive
- 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.