PJB-2018-1022
IMPACT OF EARLY AND NORMAL SOWING DATES ON SEED COTTON YIELD AND FIBER QUALITY TRAITS OF ELITE COTTON LINES (Gossypium hirsutum L).
Zaheer Ahmed Deho
Abstract
IMPACT OF EARLY AND NORMAL SOWING DATES ON SEED COTTON YIELD AND FIBER QUALITY TRAITS OF ELITE COTTON LINES (Gossypium hirsutum L). ZAHEER AHMED DEHO, S.LAGHARI, S.ABRO AND S.A.ABRO Nuclear Institute of Agriculture (NIA), Tando Jam Corresponding author’s email: zdeho@hotmail.com Abstract Climate change brings forward new threats for cotton cultivation in Pakistan especially Sindh province. One of the most important agronomic considerations for growers to optimize seed cotton yield and fiber quality is to select an appropriate sowing time for cotton crop. In present study thirty four elite lines along with three local check varieties (Sadori, NIA-Noori and NIA-Ufaq) were tested under early 20th March and normal 20th April, 2015 sowing dates at experimental farm Nuclear Institute of Agriculture (NIA), Tando Jam. Four lines produced (22) sympodial branches plant-1, two lines took more boll weight (g) (4.0 g), five lines obtained long staple length mm ranges from (30.0 to 30.8), eight elite lines took higher seed index (g) ranges from (8.6 to 8.7) and three lines produced higher seed cotton yield kg ha-1 ranges from (2206 to 2314) under normal sowing date 20th April in comparison with early sowing 20th March seed cotton yield kg ha-1 ranges from (780 to 1049) respectively.
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