Author(s):

Kapil kumar, Pawan Kumar Goutam, and Abhishek Kumar

Abstract: Two years field experiment in rabi season 2013-14 and 2014-15 designed in split-split plot design within three replication to effect of foliar applied boron (T₁- 0.2%, T₂- 0.5%) and thiourea (T₃- 500ppm, T₄-1000ppm) with control T₀- water spray in sub-sub plot on four varieties (V₁: K- 607, V₂: K-402, V₃: K-7903, V₄: K-9533) in subplot in two sowing dates (D₁- Timely sowing, D₂- Late sowing) in main plot at Experimental Research Farm, Nawabganj of Chandra Shekhar Azad University of Agriculture and Technology Kanpur, India. By this total treatment were 40. The results showed that effect of used treatments with variety in sowing date and these combinations were in days to 75% heading, days to 75% anthesis and days to 75% maturity (T₃- 74.1, 80.5, 117.7; V₁- 75.8, 82.4, 122.0; D₁-76.1, 82.9, 122.1; D₁V₂- 78.4, 86.4, 126.5 as well as grain growth rate were significant in T₂- 14.5, V₂- 14.1, D₁- 14.6, D₁V₂- 15.5, D₁T₂- 15.7, V₂T₂- 15.1, D₁V₂T₂-16.5 against control (T₀). We can say by above results that all observations were found mostly high significant in sowing season 213-14.

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