Gene expression pattern of K transporter GhHAK5 gene of potassium efficient and in-efficient cotton cultivars based on morphological physiognomies as affected by potassium nutrition and reduced irrigation

Table 4 P values of main and interactive effect of irrigation levels, potassium levels, and cultivars on leaf, seed lint, fruit K concentration, and fiber traits during 2018, 2019 crop growing seasons

	Bolls per plant	Boll weight	Seed cotton yield	Micronaire	Fiber strength	Degree of reflectness	Fiber elongation	GOT	Seed index	Short fiber index
Cotton growing season (2018)
Irrigation level (W)	0.018	0.020	< 0.001	0.010	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001
Potassium level (K)	< 0.001	0.050	< 0.001	0.020	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001
Cultivars (C)	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001
W × K	0.978	0.870	0.238	0.790	< 0.001	0.730	0.600	0.340	0.090	< 0.001
W × C	0.995	1.000	0.960	0.120	< 0.001	0.630	0.830	0.080	0.040	< 0.001
K × C	0.878	0.920	0.161	0.830	< 0.001	0.100	0.250	0.880	0.050	0.350
W × K × C	0.972	1.000	0.822	0.940	< 0.001	0.850	0.680	0.510	0.150	0.040
Cotton growing season (2019)
Irrigation level (W)	< 0.001	0.020	< 0.001	0.18	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001
Potassium level (K)	< 0.001	0.010	< 0.001	0.20	< 0.001	< 0.001	0.02	< 0.001	< 0.001	< 0.001
Cultivars (C)	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001
W × K	0.184	0.740	0.318	0.86	0.63	0.76	0.66	0.28	0.11	< 0.001
W × C	0.797	0.970	0.948	0.82	0.36	0.65	0.99	0.10	0.60	< 0.001
K × C	0.773	0.790	0.089	0.98	0.10	0.13	0.96	0.69	0.58	0.04
W × K × C	0.889	0.991	0.783	1.00	0.80	0.95	1.00	0.67	0.87	0.01

The values mean ± standard deviation of four replications. The values with same letter (s) within irrigation level and potassium rate are statistically non-significant at P < 0.05

ISSN: 2523-3254