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Investigation of the interactive effect of topping and plant spacing on growth, yield and quality of Gossypiumhirsutum L.


The International Journal of Global Sciences (TIJOGS)

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H. M. Waseem1, M. Usman Gani1, Aamir Ali1, Ahmad Ali1, H. Ehtsham Ali2, Abdur Rehman1*, Nasir Javaid1, Ahmad Zunair Zaman1, Ahmad Bilal

*Corresponding author: abdurrehmanmahar@gmail.com

Submitted Accepted Published
Oct 08,2018 Feb 11,2019 Feb 27,2019

2019 / Vol: 2 / Issue: 1


Abstract


The field trial was conducted to determine the effect of topping and different levels of plant spacing on growth, yield and quality of cotton (Gossypiumhirsutum L.) at Agronomic research area, University of Agriculture Faisalabad, during kharif 2017. The experiment was laid out using randomized complete block design with factorial arrangement and replicated thrice. The experimental treatments were comprised of two factors which included four levels of topping viz, no topping (control), topping at 90 cm plant height, topping at 120 cm plant height and topping at 150 cm plant height; and three levels of plant spacing viz, 22 cm, 30 cm and 38 cm. All other agronomic practices were kept normal and same for all the treatments. Data on different phenological, morphological, agronomic and quality parameters were collected and analyzed statistically using Statistix program. Difference among treatments’ means were compared using Fisher’s protected Tukey Honestly Significance Difference (HSD) test at 5% probability level. Topping and plant spacing affected phenology, growth and yield of cotton differently. Plant spacing of 38 cm took minimum days to first flower and boll maturation period. The topping at 90 cm recorded minimum boll maturation period. Ginning out turn also affected by topping and plant spacing. Topping at 120 cm and plant spacing of 30 cm resulted less aborted sites, more total number of bolls and thus maximum seed cotton yield per hectare.

Key words: Topping, yield, growth, quality cotton, plant spacing


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