Abstract
A field experiment was conducted during kharif 2015 at Agricultural College Farm, Bapatla on sandy loamsoil to study the phenology, accumulated growing degree days, photo thermal unit, helio-thermal unit, heat useefficiency and performance of fingermillet varieties grown under different sowing dates. The crop was sown on2nd fortnight of July took maximum calendar days, growing degree days, photo thermal unit, helio-thermal unitto attend different phonological stages till maturity. The genotype sown on 2nd fortnight of July (D2) growthand yielded higher. The highest drymatter (3665kg ha-1) at harvest and grain yield (2305 kg ha-1) was recordedwith (D2) 2nd fortnight of July sowing. Among the varieties Chaitanya took highest calendar days growingdegree days, photo thermal unit, helio-thermal unit to reach the maturity. The variety Chaitanya recorded thehighest grain yield at 2nd fortnight of July sowing as compared to all other sowing dates.
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