Table 1.

Alpha diversity metrics at cabbage growth stages [week 9 and 12 (no aphids) harvest] using a non-parametric two-sample t-test using Monte Carlo permutations [Mean (± SD)].

	9 Weeks		12 Weeks		t-Statistics	p-value
Chao1	24,194.51	±1879.53	22,859.90	±1950.05	1.3038	0.2220
Faith’s PD	811.63	±67.71	789.80	±47.85	0.6965	0.4890
Observed OTUs	15,869.56	±1053.81	15,238.43	±954.38	1.1745	0.2680
Simpson	0.9988	±0.0001	0.9987	±0.0002	–1.5581	0.972

SD, standard deviation; PD, phylogenetic diversity; OUTs, operational taxonomic units.