Enhanced germination of seeds native to Brazil: A comparative analysis between free and nanoencapsulated gibberellic acid in Dyckia sp. (Bromeliaceae)

Volume 35 (2023): Issue 2 (December 2023)

By:

Jean Carlo Baudraz de Paula, Hugo Roldi Guariz, Kauê Alexandre Monteiro de Moraes, Gabriel Danilo Shimizu, Ricardo Tadeu de Faria, Halley Caixeta de Oliveira, Leonardo Fernandes Fraceto and Anderson Espirito Santo Pereira

Open Access

|Dec 2023

Figures & Tables

Dyckia cabrerae SDM as a function of GA3 doses. GA3, gibberellic acid; SDM, seedling dry mass.

GERM (A), GSI (B), MGT (C), FGC (D), length (SL) (E) and SDM (F) of Dyckia dusenii as a function of GA3 doses. FGC, first germination count; GA3, gibberellic acid; GERM, germination; GSI, germination speed index; MGT, mean germination time; SDM, seedling dry mass; SL, seedling length.

MGT (A), FGC (B), length (SL) (C) and SDM (D) of Dyckia pottiorum as a function of GA3 doses. FGC, first germination count; GA3, gibberellic acid; MGT, mean germination time; SDM, seedling dry mass; SL, seedling length.

GERM (A), GSI (B), MGT (C), FGC (D), length (SL) (E) and SDM (F) of Dyckia walteriana as a function of GA3 doses. FGC, first germination count; GA3, gibberellic acid; GERM, germination; GSI, germination speed index; MGT, mean germination time; SDM, seedling dry mass; SL, seedling length.

Curve of water absorption by the seeds of Dyckia cabrerae without (A) and with GA3 (B) and D. pottiorum without (C) and with GA3 (D) at a dose of 0.75 mg · L−1. GA3, gibberellic acid.

Water absorption curve by Dyckia dusenii seeds without (A) and with GA3 (B) and D. walteriana without (C) and with GA3 (D) at a dose of 5.0 mg · L−1. GA3, gibberellic acid.

GERM (A) and FGC (B) of Dyckia walteriana seeds as a function of different doses and types of gibberellic acid formulation (GA3). ALG, sodium alginate; CS, chitosan; FGC, first germination count; GA3 gibberellic acid; GERM, Germination; NP, nanoparticle; TPP, sodium tripolyphosphate.

GSI (A) and MGT (B) of Dyckia walteriana seeds as a function of different doses and types of gibberellic acid formulation (GA3). ALG, sodium alginate; CS, chitosan; GA3 gibberellic acid; GSI, germination speed index; MGT, mean germination time; NP, nanoparticle; TPP, sodium tripolyphosphate.

Length (SL) (A) and dry mass (SDM) (B) of Dyckia walteriana seedlings as a function of different doses and types of gibberellic acid formulation (GA3). ALG, sodium alginate; CS, chitosan; GA3 gibberellic acid; NP, nanoparticle; SDM, seedling dry mass; SL, seedling length; TPP, sodium tripolyphosphate.

p-value of the F test of the analysis of variance and CV (%) for the variables: FGC (%), GERM (%), AS (%), GSI, MGT (days), SL (mm) and SDM (mg) of seedlings for the species Dyckia cabrerae, D_ dusenii, D_ pottiorum and D_ walteriana as a function of doses of GA3_

	D. cabrerae
	FGC	GERM	AS	GSI	MGT	SL	SDM
p-value	0.8012	0.8558	0.9081^t	0.8954	0.7463	0.8915	<0.001
CV (%)	41.14	16.33	50.42	7.35	4.86	5.49	10.10
D. dusenii
p-value	0.0037	<0.001	0.9844^t	<0.001	0.0211	0.0011	<0.001
CV (%)	26.34	11.45	40.2	13.00	5.40	8.65	11.08
D. pottiorum
p-value	0.0102	0.3135	0.8692^t	0.9646	0.0166	0.0403	<0.001
CV (%)	23.44	14.95	37.86	17.23	7.81	16.02	14.80
D. walteriana
p-value	<0.001	<0.001	-	<0.001	<0.001	<0.001	<0.001
CV (%)	15.80	6.00	-	5.18	3.16	2.89	5.78

p-value analysis of variance and CV (%) for the variables: FGC (%), GERM (%), AS (%), GSI, MGT (days), SL (mm) and SDM (mg) of seedlings for treatments NP ALG/CS-GA3, NP CS/TPP-GA3, NP ALG/CS and NP CS/ TPP at different doses_

	FGC	GERM	AS	GSI	MGT	SL	SDM
	NP ALG/CS-GA₃
p-value	<0.001	<0.001	-	<0.001	<0.001	<0.001	<0.001
CV (%)	14.56	5.41	-	3.41	3.65	2.35	7.09
Mean	-	-	3.14	-	-	-	-
NP CS/TPP-GA₃
p-value	<0.001	<0.001	-	<0.001	<0.001	<0.001	<0.001
CV (%)	14.97	7.24	-	4.23	3.27	1.97	6.44
Mean	-	-	2.29	-	-	-	-
NP ALG/CS
p-value	0.414	0.064	-	<0.001	0.024	0.053	0.474
CV (%)	22.68	10.74	-	6.08	3.20	4.70	11.18
Mean	11.0	42.0	2.71	7.45	-	7.06	7.09
NP CS/TPP
p-value	0.669	0.057	-	<0.001	0.006	0.003	0.406
CV (%)	22.09	11.18	-	3.49	2.56	2.72	8.28
Mean	11.0	38.0	3.14	7.06	-	-	2.24

Viability by tetrazolium test (%), germination (%) and water content (%) of Dyckia spp_ after harvest (10 days) and after storage (270 days)_

Species	Viability		Germination		Water content
Species	10 days	270 days	10 days	270 days	10 days	270 days
Dyckia cabrerae	79	68	71	38	9.2	8.5
Dyckia dusenii	81	71	75	36	9.5	8.9
Dyckia pottiorum	88	69	84	45	8.7	8.1
Dyckia walteriana	78	73	75	37	8.4	7.7

DOI: https://doi.org/10.2478/fhort-2023-0029 | Journal eISSN: 2083-5965 | Journal ISSN: 0867-1761

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Language: English

Page range: 403 - 418

Submitted on: Aug 14, 2023

Accepted on: Oct 23, 2023

Published on: Dec 31, 2023

Published by: Polish Society for Horticultural Sciences (PSHS)

In partnership with: Paradigm Publishing Services

Publication frequency: 2 times per year

Keywords:

plant growth regulators

Related subjects:

Life sciences,

Plant science,

Zoology,

Ecology,

Life sciences, other

© 2023 Jean Carlo Baudraz de Paula, Hugo Roldi Guariz, Kauê Alexandre Monteiro de Moraes, Gabriel Danilo Shimizu, Ricardo Tadeu de Faria, Halley Caixeta de Oliveira, Leonardo Fernandes Fraceto, Anderson Espirito Santo Pereira, published by Polish Society for Horticultural Sciences (PSHS)
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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Enhanced germination of seeds native to Brazil: A comparative analysis between free and nanoencapsulated gibberellic acid in Dyckia sp. (Bromeliaceae)

Figures & Tables

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p-value of the F test of the analysis of variance and CV (%) for the variables: FGC (%), GERM (%), AS (%), GSI, MGT (days), SL (mm) and SDM (mg) of seedlings for the species Dyckia cabrerae, D_ dusenii, D_ pottiorum and D_ walteriana as a function of doses of GA3_

p-value analysis of variance and CV (%) for the variables: FGC (%), GERM (%), AS (%), GSI, MGT (days), SL (mm) and SDM (mg) of seedlings for treatments NP ALG/CS-GA3, NP CS/TPP-GA3, NP ALG/CS and NP CS/ TPP at different doses_

Viability by tetrazolium test (%), germination (%) and water content (%) of Dyckia spp_ after harvest (10 days) and after storage (270 days)_

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