PJB-2023-61
An experiment “influence of magnesium and phosphorous levels on triticale” was conducted during the rabi season 2021-2022 at Agronomy Research Farm (ARF), The University of Agriculture Peshawar. In order to know the optimum level of Mg a
Muhammad Taimoor
Abstract
ABSTRACT
An experiment “influence of magnesium and phosphorous levels on triticale” was conducted during the rabi season 2021-2022 at Agronomy Research Farm (ARF), The University of Agriculture Peshawar. In order to know the optimum level of Mg and P for triticale (Tritico secale Wittm). The research was laid out in two factorial RCB design with three replications. The plot size was kept at 4 × 3 m2 with row to row distance of 30cm accommodating 10 rows in each plot. Magnesium at the rate of 0, 2, 4 and 6 kg ha-1 were applied half at the time of first irrigation, and a half at tillering stage. Phosphorous was applied at the rate of 0, 60, 90, 120 and 150 kg ha-1. DAP was used as a source of fertilizer for phosphorous and Epsom salt for magnesium. Days to emergence, days to anthesis and harvest index were not significantly affected. Maximum plant height (129.4 cm), spike (356.2 m-2), grains spike-1 (59.0), biological yield (12621.4 kg ha-1), grain yield (4937.0 kg ha-1) and thousand-grain weight (50.0 g) were obtained when Mg was applied at the rate of 4 kg ha-1. Delayed days to heading (118) were found when phosphorous was applied at control while minimum (114) days to heading were observed when P was applied at a rate of 150 kg ha-1. Maximum harvest index (40.2 %), days to anthesis (136) and plant height (128.3 cm) was observed when P was applied at the rate of 120 kg ha-1, while maximum spike (356.5 m-2), days to physiological maturity (173), grain spike-1 (60.1), biological yield (12305.0 kg ha-1), grain yield (4857.8 kg ha-1) and thousand-grain weight (49.0 g) were observed when plants were treated with 90 kg ha-1 of P. while maximum emergence (129.5 m-2) was observed when P was applied at 150 kg ha-1. It is concluded that phosphorous applied at 90 kg ha-1 and Mg at the rate of 6 kg ha-1 produced maximum grain yield.
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