Table 3. The effect of the waterlogging treatments at the different growth stages on the quality parameters of the cotton.

Waterlogging	Waterlogging	Upper-half		Uniformity		Micronaire		Elongation		Reflectance		Yellowness		Spinning		Specific		Lint
stages	duration	mean length		index		value		percentage		percentage				consistence		breaking		percentage
	(d)	(mm)		(%)				(%)		(%)				index		strength		(%)
																(cN/tex)
Seedling	2	27.40	ab	82.50	ab	4.55	cd	6.40	bc	74.20	c	8.30	ab	118.00	ab	27.25	ab	43	bc
	4	27.61	ab	82.90	ab	5.22	ab	6.90	a	75.10	bc	8.30	ab	120.00	ab	27.30	ab	42	bc
	6	28.15	ab	83.80	a	5.30	ab	7.00	a	75.40	ab	8.20	ab	124.00	a	27.50	ab	41	bc
	8	28.39	a	83.40	ab	5.34	ab	7.00	a	75.70	ab	7.70	bc	120.00	ab	27.93	ab	41	bc
	10	27.36	ab	83.00	ab	4.80	bc	6.90	a	76.01	a	7.80	bc	111.00	ab	27.90	ab	39	c
Squaring	2	27.43	ab	82.50	ab	5.29	ab	6.28	bc	74.50	bc	8.60	ab	107.00	bc	27.15	ab	44	ab
	4	27.33	ab	82.30	ab	4.78	bc	6.30	bc	75.20	ab	8.70	a	112.00	ab	28.22	ab	44	ab
	6	27.23	ab	82.10	ab	4.56	cd	6.30	bc	75.40	ab	8.60	ab	116.00	ab	28.28	ab	44	ab
	8	27.20	ab	81.90	bc	4.34	cd	6.30	bc	75.50	ab	7.90	ab	116.00	ab	28.32	a	43	bc
	10	27.12	ab	81.70	bc	4.18	d	5.70	e	75.90	ab	7.30	c	118.00	ab	28.32	a	41	bc
Flowering	2	26.52	bc	82.30	ab	5.41	ab	6.15	cd	74.50	bc	8.30	ab	92.00	c	25.97	c	46	a
	4	26.18	bc	81.80	bc	5.35	ab	6.15	cd	75.10	bc	8.30	ab	95.00	c	26.24	bc	46	a
	6	25.55	cd	81.50	bc	5.11	bc	6.10	cd	75.50	ab	7.90	ab	100.00	bc	26.66	bc	46	a
	8	25.08	cd	81.00	bc	5.24	ab	6.00	cd	75.60	ab	7.90	ab	113.00	ab	27.83	ab	45	ab
	10	24.84	d	80.90	cd	4.76	bc	6.00	cd	75.70	ab	7.50	bc	117.00	ab	27.83	ab	43	bc
Boll-opening	2	26.07	bc	82.20	ab	5.42	a	6.40	bc	74.30	bc	8.40	ab	97.00	c	26.46	bc	45	ab
	4	25.95	cd	81.80	bc	5.24	ab	6.40	bc	74.50	bc	8.30	ab	97.00	c	26.55	bc	46	a
	6	25.90	cd	81.40	bc	5.03	bc	6.30	bc	74.70	bc	8.10	ab	98.00	c	26.75	bc	44	ab
	8	25.29	cd	80.80	cd	4.99	bc	6.10	cd	75.20	ab	8.10	ab	100.00	bc	27.12	ab	44	ab
	10	25.08	cd	80.20	d	4.89	bc	6.00	de	75.80	ab	8.10	ab	109.00	bc	27.73	ab	45	ab
CK		27.48	ab	82.90	ab	4.48	cd	6.20	bc	74.30	bc	8.20	ab	117.00	ab	27.34	ab	46	a

The statistical analysis is two way ANOVA, and values followed by different letters within the same row are significantly different at P = 0.05 probability level.