. 2018 Jun 20;9:861. doi: 10.3389/fpls.2018.00861

Table 4.

Main effects of biostimulant dose, application method and cultivar on total root length, root diameter, root volume, root tips, root crossings, and root forks in snapdragon plants.

Treatments	Total root length (m 10³/plant)	Root diameter (mm)	Root volume (cm³/plant)	Root tips (n 10³/plant)	Root crossings (n 10³/plant)	Root forks (n 10³/plant)
DOSE (g L⁻¹) (D)
0	3.3c	1.04b	4.60c	21.6c	4.3c	28.3c
0.1	5.1a	1.42a	7.65a	32.1a	8.1a	47.5a
0.2	4.2b	1.02b	5.66b	30.9b	7.3b	41.3b
METHOD (M)
Foliar spray	3.8b	1.04b	5.29b	26.8b	5.9b	35.0b
Root drenching	4.6a	1.28a	6.65a	29.4a	7.2a	43.0a
CULTIVAR (CV)
Yellow floral showers	3.4b	1.11b	5.15b	22.8b	5.2b	31.4b
Red sonnet	4.9a	1.21a	6.79a	33.6a	7.9a	46.7a
SIGNIFICANCE
D	^**	^**	^**	^**	^**	^**
M	^**	^*	^*	^*	^*	^*
CV	^**	^**	^**	^**	^**	^**
D × M	^**	^**	^**	^**	^**	^**
D × CV	^**	^*	^**	^**	^*	^*
M × CV	^**	^**	^*	ns	^**	^**
D × M × CV	^**	^**	^*	^*	^**	^**

Different letters within each column indicate significant differences according to Duncan's multiple-range test (P ≤ 0.05).

ns, non significant,

P < 0.05 and

^**

0.01 indicate level of significance.