. 2022 May 31;13:882228. doi: 10.3389/fpls.2022.882228

TABLE 3.

Alpha-diversity analyses: three alpha-diversity indices [viz. InvSimpson: inverse of Simpson’s diversity index; obs.ASV: the observed amount of operational taxonomic units (ASV); H’–Shannon’s diversity index].

Indice	InvSimpson	Obs.ASV	H’

Variant^*
Us	101.6^a	202.8^a	4.875^a
ZuRh	68.17^bef	136.5^acg	4.711^ad
ZuRo	31.49^cg	68.50^defg	3.597^e
ZuLe	3.527^cd	7.667^de	1.665^c
Us + SA	91.30^ab	173.3^ab	4.690^ab
ZuRh + SA	74.25^be	164.3^ac	4.440^ad
ZuRo + SA	34.86^dfg	94.33^bdegh	3.842^de
ZuLe + SA	2.731^c	11.50^de	1.692^c
Us + MCPA	101.5^a	200.0^a	4.919^a
ZuRh + MCPA	79.96^aef	246.3^ah	4.861^ad
ZuRo + MCPA	39.01^dfg	69.75^defg	3.908^bde
ZuLe + MCPA	2.415^c	5.000^de	1.491^c
Us + MCPA + SA	92.15^ab	223.7^a	4.975^a
ZuRh + MCPA + SA	69.52^be	116.3^bc	4.458^ad
ZuRo + MCPA + SA	26.84^cg	76.25^defg	3.668^e
ZuLe + MCPA + SA	3.647^c	15.67^de	1.559^c

Different letters (a–h) in the same columns indicate significant results (Tukey’s HSD test, p ≤ 0.05). *Variants: Us, unplanted soil; ZuRh, zucchini rhizosphere soil; ZuRo, zucchini root; ZuLe, zucchini leaves; Us + SA, unplanted soil treated with SA; ZuRh + SA, zucchini rhizosphere soil treated with SA; ZuRo + SA, zucchini root from soil treated with SA; ZuLe + SA, zucchini leaves from soil treated with SA; Us + MCPA, unplanted soil treated with MCPA; ZuRh + MCPA, zucchini rhizosphere soil treated with MCPA; ZuRo + MCPA, zucchini root from soil treated with MCPA; ZuLe + MCPA, zucchini leaves from soil treated with MCPA; Us + MCPA + SA, unplanted soil treated with MCPA and SA; ZuRh + MCPA + SA, zucchini rhizosphere soil treated with MCPA and SA; ZuRo + MCPA + SA, zucchini root from soil treated with MCPA and SA; ZuLe + MCPA + SA, zucchini leaves from soil treated with MCPA and SA.