Apr 2, 2020

Cotton growth, yield, quality and boron distribution as affected by soil-applied boron in calcareous saline soil

BioRxiv : the Preprint Server for Biology
Atique ur RehmanH. M. R. Javeed

Abstract

Boron (B) is deficient in the calcareous, Typic Haplocambid soils of cotton growing belt of Pakistan, and thus is a vital reason for less cotton yield in the region. In order to investigate the growth and quality alterations associated with soil applied B on cotton ( cv. CIM-616 and CIM-600 ) an experiment was conducted. Boron was applied at 0.00, 2.60, 5.52, 7.78 and 10.04 mg B kg -1 of soil using borax (Na 2 B 4 O 7 .10H 2 O), in a complete randomized design with factorial arrangement with four replications. Results revealed that soil applied B @ 2.60 mg B kg -1 of soil significantly (P[≤]0.05) improved cotton growth, yield, quality and B distribution among different parts. Different growth and yield parameters like plant height, leaf area, number of bolls, boll size and weight, seed cotton yield, photosynthesis, transpiration rate, stomatal conductance, water use efficiency, GOT, staple length and fiber fineness and strength except B uptake by roots, seed, leaves and stalk plant body which was significantly increased with B (10.04 mg B kg -1 ) in both cultivars of cotton, but the degree of effects was varied between cultivars. The results indicated that studied traits of both cultivars were significantly (P[≤]0.05) dec...Continue Reading

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