Heterosis for seed cotton yield and quality traits in cotton (Gossypium hirsutum L.)

  • BAYYAPU REDDY KAIPU ACHARYA N G RANGA AGRICULTURAL UNIVERSITY
Keywords: Key words, Fibre quality traits, Gossypium hirsutum, heterosis, seed cotton yield.

Abstract

ABSTRACT

Forty five intra-hirsutum hybrids from a 10 × 10 diallel crossing excluding reciprocals along with their parents and check were tested in three environments at Regional Agricultural Research Station, Lam Farm, Guntur, Agricultural Research Station, Jangamaheswarapuram and Agricultural Research Station, Darsi during kharif, 2013-14. Observations were recorded on seed cotton yield and fibre quality traits to estimate the extent of heterosis over mid, better parent and check. Heterosis for seed cotton yield plant-1 over mid parent, better parent and standard check ranged from -10.25 (NDLH 1938 × MCU 5) to 33.83 (NDLH 1938 × L 604), -14.3 (NDLH 1938 × MCU 5) to 23.37 (L 770 × RAH 1004) and -10.17 (L 604 × G COT 16) to 39.47 (NDLH 1938 × L 604); respectively. The hybrids NDLH 1938 × L 604 and NDLH 1938 × RAH 1004 recorded maximum significant positive heterosis over mid, better parent and check for most of the fibre quality characters. The cross combination involving NDLH 1938 parent recorded significant positive heterosis for most of the characters. Hence, the parent NDLH 1938 can be used for exploitation of heterosis. 

Author Biography

BAYYAPU REDDY KAIPU, ACHARYA N G RANGA AGRICULTURAL UNIVERSITY
SCIENTIST (SS&T)
Published
19-02-2016
Section
Research Note