Influence of Phosphorus Fertilizer Application and Foliar Spray with Phosphorein and Seaweed Extract on Chemical Content of Red Cabbage

Abstract

The experiment was conducted at Experimental Farm, Faculty of Technology and Development (Ghazala Region): Zagazig University Sharkia Governorate, Egypt during the winter seasons of 2021-2022 and 2022-2023, Egypt  to study  the effect of phosphorus fertilizer application at (50kg/fed and 100kg/fed) and foliar spray with phosphorein (bio-fertilizer)  at (2mll^-1 and 4mll^-1) and seaweed extract  and seaweed extract on chemical content( the nutritive value)   of  red cabbage plant cv Primero. The treatments were arranged in a randomized complete block design (RCBD) with three replications. The obtained results revealed that added phosphorus  at 100 kg/fed  and  foliar spray  with  phosphorein at 4ml/l or  seaweed extract at 4ml/l  significantly increased  the nutritive value; N, P , K, anthocyanin pigment ,TSS and ascorbic acid (vitamin C) contents of  red cabbage heads in the first and second seasons, respectively.

Conclusion: Added phosphorus at 100 kg/fed and  foliar spray  with  phosphorein at 4ml/l  and seaweed extract at 4ml/l caused an  increases in  the nutritive value; N, P, K, anthocyanin pigment, TSS and ascorbic acid (vitamin C) contents of  red cabbage heads.