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Identifying Extra Long Staple Suitable Lines (
Gossypium barbadense
L) Improved Fiber Qualities
3
showed that 13 lines had higher values of seed cotton
yield than Suvin line. Maximum seed cotton yield per
plant was observed in the line DB 533×DB 534 F
5
IPS
132 (2175.70) followed by the line DB 533×DB 534
F
5
IPS 18 (2151.21), while the line DB 533×DB 534
F
5
IPS 33 recorded minimum seed cotton yield per
plant (441.81) followed by the line DB 533×DB 534
F
5
IPS 24 (585.08).
1.2.2 Plant height (cm)
The barbadense line DB 533×DB 534 F
5
IPS 62
recorded the tallest plant height (100.33) followed by
the line DB 533×DB 534 F
5
IPS 105 (97.83), while
the line DB 533×DB 534 F
5
IPS 34 exhibited the
shortest plant height (65.33).
1.2.3 Number of monopodia per plant
Among 53 barbadense lines, the line DB 533×DB 534
F
5
IPS 6 recorded maximum number of monopodia
per plant (2.50) followed by DB 533×DB 534 F
5
IPS
18 (2.17). On the other hand, the line DB 533×DB 534
F
5
IPS 19 (0.17) recorded minimum number of
monopodia per plant.
1.2.4 Number of sympodia per plant
Maximum number of sympodia per plant was
observed in the line DB 533×DB 534 F
5
IPS 37 (24.83)
followed by DB 533×DB 534 F
5
IPS 21 (22.50) and
DB 533×DB 534 F
5
IPS 20 (21.83) which are on par
with one another. On the other hand, the lines DB
533×DB 534 F
5
IPS 32 and DB 533×DB 534 F
5
IPS 1
recorded lowest number of sympodia per plant (13.83)
followed by the line DB 533×DB 534 F
5
IPS 38
(14.17).
1.2.5 Number of bolls per plant
The
per se
performance of 53 barbadense lines
showed that 17 lines had higher values of number of
bolls per plant than Suvin line. The barbadense line
DB 533×DB 534 F
5
IPS 62 produced maximum
number of bolls per plant (39.33) followed by the
lines DB 533×DB 534 F
5
IPS 48 (38.17), DB 533×DB
534 F
5
IPS 44 (37.50), DB 534× DB 533 F
5
IPS 22
(37.33) and DB 533×DB 534 F
5
IPS 88 (35.33). On
the other hand, the line DB 533×DB 534 F
5
IPS 96
produced minimum number of bolls per plant (22.50)
followed by DB 533×DB 534 F
5
IPS 35 (24.33).
1.2.6 Mean boll weight (g)
Among all barbadense lines, 16 lines recorded higher
value than Suvin line. The line DB 533×DB 534 F
5
IPS 30 exhibited heaviest bolls (3.23) followed by the
barbadense lines DB 533×DB 534 F
5
IPS 132 (3.17),
DB 533×DB 534 F
5
IPS 37 (2.93) and DB 533×DB
534 F
5
IPS 18 (2.93), while the line DB 533×DB 534
F
5
IPS 33 had minimum mean boll weight (1.67)
followed by the line DB 533×DB 534 F
5
IPS 38 (1.73).
1.2.7 Reproductive points on sympodia
The line DB 533×DB 534 F
5
IPS 62 exhibited
maximum value of reproductive points on sympodia
(5.25) followed by the barbadense lines DB 533×DB
534 F
5
IPS 48 (5.08), DB 534 × DB 533 F
5
IPS 22
(4.98) and DB 533×DB 534 F
5
IPS 71 (4.93), while
the line DB 533×DB 534 F
5
IPS 101 had minimum
value of reproductive points on sympodia (2.58)
followed by the lines DB 533×DB 534 F
5
IPS 65
(2.67), DB 533×DB 534 F
5
IPS 20 (2.67) and DB
533×DB 534 F
5
IPS 68 (2.67).
1.2.8 Sympodial length at 50 per cent plant height (cm)
The barbadense line DB 533×DB 534 F
5
IPS 62
exhibited maximum value of sympodial length at 50
per cent plant height (39.75) followed by the
barbadense
lines DB 533×DB 534 F
5
IPS 71 (35.92),
DB 533×DB 534 F
5
IPS 105 (35.83) and DB 533×DB
534 F
5
IPS 14 (35.42), while the line DB 533×DB 534
F
5
IPS 27 had minimum value of sympodial length at
50 per cent plant height (21.67) followed by the lines
DB 533×DB 534 F
5
IPS 11 (22.42) and DB 533×DB
534 F
5
IPS 101 (22.83).
1.2.9 Inter branch distance (cm)
The barbadense line DB 533×DB 534 F
5
IPS 27
exhibited maximum value of inter branch distance
(9.83) followed by the lines DB 533×DB 534 F
5
IPS 6
(9.33) and DB 533×DB 534 F
5
IPS 112 (9.17), while
the barbadense line DB 533×DB 534 F
5
IPS 16 had
minimum value of inter branch distance (6.17)
followed by the lines DB 533×DB 534 F
5
IPS 1 (6.50)
and DB 533×DB 534 F
5
IPS 25 (6.67).
1.2.10 Seed index (g)
Among all lines, the line DB 533×DB 534 F
5
IPS 101
Cotton Genomics and Genetics