Effects of substrate and temperature on the germination of <i>Foeniculum</i> <i>vulgare</i> seeds.

RANZANI, R.E.; LUZ, P.B.; MAROSTEGA, T.N.; PAIVA SOBRINHO, S.

doi:10.1590/1983-084X/15_179

Brasil

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NOTA PRÉVIA • Rev. bras. plantas med. 18 (1 suppl 1) • 2016 • https://doi.org/10.1590/1983-084X/15_179 linkcopy

Effects of substrate and temperature on the germination of Foeniculum vulgare seeds.

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

Fennel (Foeniculum vulgare) is a medicinal plant native to Europe that is widely cultivated throughout Brazil. It has carminative, digestive, and diuretic properties. Given the great importance of this species in medicine, the objective of this study was to evaluate the effect of different substrates and temperature on the germination of fennel seeds. The treatments consisted of two temperatures – one a constant 20°C, and the other alternating from 25 to 30°C – and three different substrates: blotting paper (Germitest), sand, and vermiculite, in a 3 x 2 factorial with four replications of 25 seeds. The germination speed index (GSI), percentage of germination (PG), radicle length, and fresh (FM) and dry mass (DM) of seedlings were evaluated. The 20°C temperature resulted in higher GSI, germination percentage, root length and dry mass. The fennel seed germination was not influenced by the different substrates tested. From the results, we concluded that the condition that allowed greatest percentage of fennel seed germination temperature was 20°C, reaching 91% germination.

Keywords fennel; medicinal plant; germination

Fontes de variação	GL	IVG	% Germinação	Comp. Radícula	Massa Fresca	Massa Seca
Substrato	2	0,13^NS NS = Não significativo	50,00^NS NS = Não significativo	13,34ns	0,0015^NS NS = Não significativo	0,0000^NS NS = Não significativo
Temperatura	1	22,54^ = Significativo a 1% de probabilidade.	5520,66^ = Significativo a 1% de probabilidade.	407,92^ = Significativo a 1% de probabilidade.	0,0388^ = Significativo a 1% de probabilidade.	0,0000^ = Significativo a 1% de probabilidade.
Subs. x Temp.	2	0,07^NS NS = Não significativo	100,66^NS NS = Não significativo	7,34ns	0,0017^NS NS = Não significativo	0,0000^NS NS = Não significativo
Resíduo	18	0,16	61,11	3,82	0,0008	0,0000
CV%		12,86	10,35	26,17	53,21	37,15

Substrato	IVG	Germinação (%)	Comprimento Radícula	Massa Fresca (g)	Massa Seca (g)
CV (%)	12,86	10,35	26,16	53,21	37,15
Areia	3,24 a	78,00 a	6,38 a	0,0623 a	0,0050 a
Vermiculita	3,21 a	73,00 a	7,14 a	0,0380 a	0,0036 a
Papel	3,01 a	76,00 a	8,89 a	0,0615 a	0,0042 a
Temperatura
20°C	4,12 a	91,00 a	11,59 a	0,0137 b	0,0058 a
25° - 30°C	2,18 b	61,00 b	3,35 b	0,0941 a	0,0027 b

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Sociedade Brasileira de Plantas Medicinais Sociedade Brasileira de Plantas Medicinais, Revista Brasileira de Plantas Medicinais, Universidade Estadual de Maringá, Departamento de Farmácia, Bloco T22, Avenida Colombo, 5790, 87020-900 - Maringá - PR, Tel: +55-44-3011-4627 - Botucatu - SP - Brazil
E-mail: revista@sbpmed.org.br

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[TFN01] ^**
= Significativo a 1% de probabilidade.

[TFN02] ^NS
= Não significativo