Table 2.

Effect of copper hydroxide on the alpha diversity of tobacco phyllosphere microorganisms.

	Application time	Group	Shannon	Simpson	Chao 1	Goods coverage
Fungi	0 Day	QYB0	0.93 ± 0.42bc	0.25 ± 0.14bc	19.69 ± 4.16a	0.995 ± 0.002a
		QYJO	2.83 ± 0.17ab	0.76 ± 0.03ab	68.4 ± 6.63a	0.982 ± 0.002a
	5 Days	QYB1	0.36 ± 0.08c	0.09 ± 0.02c	14.78 ± 2.90a	0.995 ± 0.001a
		QYJ1	2.19 ± 0.89abc	0.57 ± 0.19abc	61.02 ± 32.45	0.981 ± 0.011a
	10 Days	QYB2	0.55 ± 0.09bc	0.15 ± 0.04c	33.78 ± 18.60a	0.992 ± 0.003a
		QYJ2	2.32 ± 0.49abc	0.59 ± 0.12abc	60.31 ± 12.43a	0.981 ± 0.004a
	15 Days	QYB3	1.41 ± 0.35bc	0.41 ± 0.12abc	42.8 ± 9.54a	0.986 ± 0.003a
		QYJ3	4.33 ± 0.72a	0.89 ± 0.03a	111.54 ± 41.44a	0.968 ± 0.013a
Bacteria	0 Day	QYB0	2.02 ± 0.64bc	0.57 ± 0.16b	15.33 ± 3.71a	0.935 ± 0.015a
		QYJO	1.17 ± 0.17c	0.32 ± 0.04c	16 ± 3.79a	0.926 ± 0.023a
	5 Days	QYB1	2.88 ± 0.34ab	0.79 ± 0.05ab	35.17 ± 9.33a	0.883 ± 0.023a
		QYJ1	2.55 ± 0.47ab	0.67 ± 0.12ab	25.42 ± 3.55a	0.892 ± 0.016a
	10 Days	QYB2	3.08 ± 0.38ab	0.79 ± 0.04ab	39.44 ± 16.52a	0.866 ± 0.046a
		QYJ2	2.17 ± 0.33abc	0.57 ± 0.09b	36.11 ± 4.70a	0.853 ± 0.012a
	15 Days	QYB3	2.68 ± 0.17ab	0.76 ± 0.03ab	24.67 ± 8.19a	0.922 ± 0.013a
		QYJ3	3.13 ± 0.24a	0.82 ± 0.03a	25 ± 2.02a	0.896 ± 0.015a

Data followed by the same letter in the same line are not significantly different by the Tukey test in SPSS (p > 0.05).