Author(s):

Manraj Yadav and JJ Patel

Abstract: A field experiment was conducted during summer season of the year 2010 at Anand Agricultural University, Anand, Gujarat. To study the influence of dates of sowing and irrigation scheduling (IW:CPE ratio) on Yield attributes and yield of summer moth bean. The results indicated that Sowing at 30^th January recorded the significantly higher yield attributes viz., average number of pods per plant (37.81), average pod length (3.78 cm) and average number of seeds per pod (5.66). Date of sowing had significant effect on seed yield of moth bean. Significantly the highest seed (460 kg/ha) was recorded under treatment D₂ (sowing at 30^th January). Whereas, significantly lower seed (368 kg/ha) was under treatment D₁ (sowing at 20^th January). Treatment D₂ (sowing at 30^th January) increase seed yield to the tune of 18.26%, 19.78% and 20% over the treatments D₃ (sowing at 9^th February), D₄ (sowing at 19^th February) and D₁ (sowing at 20^th January), respectively. Among the different levels of irrigation scheduling, average length of pod (3.78 cm), average pods per plant (37.53) and average number of seeds per pod (5.66).Treatment I₂ (0.7 IW:CPE ratio) secured significantly the highest seed (472 kg/ha), whereas, significantly the lowest seed (319 kg/ha) was observed under treatment I₀ (control, irrigation at critical growth stages). Result revealed that treatment combination of (D₂I₂), 30^th January date of sowing of moth bean with irrigation scheduling based on IW:CPE ratio 0.7 (8+1 irrigation) recorded significantly the highest seed yield (651 kg/ha). For securing higher seed yield and net realization from summer moth bean it is advisable that crop should be sown at 30^th January with nine irrigations, each of 50 mm depth scheduled at an IW:CPE ratio of 0.7.

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