A. Subbarami Reddy1, P. Venkata Rao2 and M.V. Ramana2
1Agricultural Research Station, Amaravathi , Guntur , Andhra Pradesh
2Regional Agricultural Research Station, Lam, Guntur, 522034, ANGRAU, Andhra Pradesh
Keywords: Black gram, Urea, MOP, DAP, salicylic acid, growth characters
An experiment was conducted to study the effect of foliar nutrition on growth and yield attributes of blackgram (Vigna mungo (L.) Hepper) under rainfed conditions during rabi seasons of 2015-16 and 2016-17 at Regional Agricultural Research Station, Lam, Guntur, Andhra Pradesh in Randomized Block Design with 8 treatments viz., T1-Control (Water spray), T2 – Urea @2 % spray at flowering initiation, T3- TNAU Pulse wonder @5kg/ha at flowering initiation, T4- salicylic acid 75 ppm at flowering initiation and 7 days after 1st spray, T5 -18-18-18 (NPK) @ 2% sprays at flowering initiation, T6 –Urea 2%+ Salycilic acid 75ppm spray at flowering initiation, T7-Boran@0.25 ppm spray at flowering initiation, T8– Nitrobenzene @500ppm spray at flowering initiation and replicated thrice. Growth and yield attributing characters i.e. plant height, no.of branches/plant, no. of pods per plant, test weight, yield were significantly influenced by different nutrients treatments.
Application of Urea @2 % spray at flowering initiation (T2) recorded highest number of branches/plant (5.95) where as no. of pods per plant (20.35) test weight (4.92g), yield (675kg/ha) and BC ratio 1.4 were high in spraying of Salicylic acid 75 ppm at flowering initiation and 7 days after 1st spray (T4).
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