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Biotemas
Article . 2008
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Sweet passion fruit (Passiflora alata Curtis) germination: Phases and effect of plant growth regulator

Authors: Sheila Zambello de Pinho; Martha Maria Mischan; Gisela Ferreira; Tainara Bortolucci Ferrari;

Sweet passion fruit (Passiflora alata Curtis) germination: Phases and effect of plant growth regulator

Abstract

This work aimed to characterize Passiflora alata germination phases and evaluate the effects of GA3 and GA4+7, associated with phenylmethylaminepurine, on P. alata seed germination. Two experiments were conducted. In the first, two treatments were carried out: seeds submerged in distilled water in a Becker and seeds conditioned in containers on filter paper soaked in distilled water; five replications of 25 seeds were used. The moisture level and the percentage of germination (%G) were evaluated. In the second, six treatments and five replications of 25 seeds for each regulator were used. The seeds were imbibed in 0, 50, 100, 150, 200 and 250mg.L-1 of GA3 and GA4+7, associated with to phenylmethylaminepurine, for 11 hours. The seeds were sown in black containers and deposited in to the germination chamber. The numbers of germinated and dormant seeds were evaluated daily. The percentage of germination, the percentage of dormant seeds, and the mean germination time (TMG) were estimated. Significant differences in the germination phases between the methods were verified. The germination was affected by the regulators with an increase in the percentage of germination and a reduction in the mean germination time. The highest values were observed with 250mg.L-1 of GA4+7 plus phenylmethylaminepurine.

Keywords

QH301-705.5, plant growth regulator, Science, propagation, Q, imbibition, germination physiology, Biology (General), Passiflora sp.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
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