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Table 2

Mean comparison of the three-way interaction of year × plant density × genotype on boll number, boll weight, lint percentage and lint strength of cotton (Gossypium hirsutum L.) in 2017 and 2018 growing periods.

BN BW   LP   LS
    (plant−1) (g) (%) (g · tex−1)
   



2017 2018   2017 2018   2017 2018   2017 2018
6.26 plan · m−2 G1 13.7c 16.9de   6.04a 4.3a   25.2a 34.0a-d   30.6cd 30.4c
G2 15.0bc 15.5e   5.4a-d 4.2a   24.7a 25.8de   30.8cd 29.2c
G3 22.8a 24.3b   4.2e-g 2.5cd   16.8b 28.1c-e   29.6de 36.2a
G4 19.1ab 31.1a   5.0b-d 2.1d   24.6a 36.6a-c   36.3b 35.6ab
G5 20.9a 17.8c-e   4.8c-e 4.1ab   19.5ab 30.0b-d   32.3c 33.5b
G6 23.1a 16.8de   3.6g 3.6b   25.3a 40.8a   39.5a 34.4ab
G7 15.3bc 17.8c-e   4.6d-f 4.1ab   24.2ab 19.1e   30.2cd 28.4c
G8 15.0bc 21.2b-d   5.6a-c 3.1c   26.4a 35.6a-d   31.6cd 30.3c
G9 19.8ab 25.6ab   3.9fg 2.7c   21.3ab 26.4c-d   27.7e 28.1c
G10 13.5c 22.7bc   5.8ab 3.0c   21.8ab 39.3ab   31.6cd 30.5c
                       
4.16 plant · m−2 G1 13.5e 22.1bc   6.6a 4.06a   35.2a 30.9c-f   32.2c 29.6c
G2 16c-e 23.5a-c   4.9e-i 2.9cd   20.4g-i 33.2c-e   29.4de 28.9c
G3 24.3a 28.3a-c   4.0i-k 2.6cd   30.3a-f 22.07f   38.0b 36.0ab
G4 19.6b 26.5a-c   5.3c-g 2.7cd   27.5a-g 36.6a-c   36.0b 37.9a
G5 18.9b-d 22.9a-c   5.3c-g 3.02b-d   18.8hi 34.5b-d   32.1c 31.1c
G6 19.4bc 23.9a-c   3.6k 2.6cd   20.6g-i 37.2a-c   40.9a 33.8b
G7 14.2e 30.9a   5.1d-h 2.4d   25.0b-i 24.5ef   31.6cd 28.7c
G8 15.3de 24.1a-c   5.7a-e 3.4a-c   32.5a-c 45.9a   31.8cd 29.3c
G9 19.8b 20.9c   3.9jk 3.9ab   19.4g-i 26.6d-f   28.0e 29.7c
G10 14.7e 29.6ab   6.0a-c 3.1a-d   20.1g-i 43.0ab   31.4cd 28.9c
                       
3.125 plant · m−2 G1 15.6cd 18.2c   6.3ab 3.7b   32.1a-d 42.2ab   30.7bc 31.3b
G2 20.9ab 22.3bc   5.3c-g 4.5a   33.1a 31.0b-e   31.7bc 29.7bc
G3 24.9a 27.7ab   4.3h-k 2.6e   20.5g-i 30.6c-e   36.9a 35.8a
G4 25.5a 24.2ab   4.6g-j 2.9c-e   24.1d-i 41.0a-c   38.2a 36.3a
G5 24a 29.4a   5.0d-h 2.6de   31.0a-e 29.2de   32.5b 31.4b
G6 23.9a 29.8a   3.7jk 2.6de   23.9d-i 44.7a   37.6a 35.0a
G7 16.7b-d 28.9a   5.7a-e 3.3b-d   25.7b-h 21.1e   30.1bc 30.2b
G8 15.1d 27.5ab   6.1a-c 2.8c-e   23.8d-i 40.5a-d   32.6b 29.7bc
G9 20.7a-c 24.5ab   4.3h-k 3.5bc   23.6e-i 34.1a-d   28.5c 27.9c
G10 16.4b-d 21.9bc   6.4a 3.7b   22.6f-i 45.4a   31.9b 31.3b

BN: boll number plant−1; BW: boll weight; LP: lint percentage; LS: lint strength. G1: Varamin; G2: Bakhtegan; G3: Sajedi; G4: Sahel; G5: T2; G6: T14; G7: Sahel × Sajedi; G8: Bakhtegan × T2; G9: Varamin × T14; G10: Sajedi × T14. By slicing method, each studied trait in each year is separated by blank rows. Means within each column of each section followed by the same letter are not significantly different (P < 0.05).

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