Response of mustard to seed treatment with pyridioxine and basal and foliar application of nitrogen and phosphorus
1993
Kahn, N.A. | Samiuilah. | Aziz, O.
In a simple randomised field trial conducted during 1985-86/1986-87, the effect of basal nitrogen (45 and 60 kg N/ha) and basal phosphorus (15 and 20 kg P/ha) applications together with the soaking of seeds in 0.025% aqueous pyridoxine hydrochloride solution for 4h and foliar applications of 15 kg N/ha and 5 kg P/ha in two installments at 70 and 90 days after sowing (DAS) was studied on the performance of mustard (Brassica juncea L.). Recommended basal applications of 90 kg N/ha and 30 kg P/ha (BN90P30) was used as the control. The parameters studied included leaf area index (LAI) at 60, 80, and 100 DAS, net assimilation rate at 60-80 and 80-100 day intervals, and pods/plant, seeds/pod, seed yield, oil content, and oil yield at harvest. In general, the pyridoxine treatment proved superior over water soaking. The higher basal fertilizer dose was effective and foliar application of N and P gave higher values as compared to the water foliar application alone. The combination of pyridoxine + BN60P20 + FN15FP5 significantly enhanced the performance of the crop and enhanced seed yield and oil yield by 15.8 and 13.5%, respectively, over the check BN90P30 treatment.
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