Efficacy of Fluopicolide 6.25% + Propamocarb Hydrochloride 62.5% SC against cucumber downy mildew disease caused by Pseudoperonospora cubensis Nagendran K.*, Saha Sujoy1, Rai A.B., Singh B. Indian Institute of Vegetable Research, Varanasi-221305, Uttar Pradesh 1National Research Centre for Grapes, Pune-412 307, Maharashtra *Corresponding author, Email: krishnagendra@gmail.com
Online published on 26 December, 2017. Abstract The widely distributed and devastating oomycete, Pseudoperonospora cubensis (Berkeley & Curtis) Rostovtsev is the causal agent of cucurbit downy mildew, infecting over 40 host species. The present study was undertaken to evaluate different doses of Fluopicolide 6.25% + Propamocarb Hydrochloride 62.5% SC against downy mildew of cucumber under field condition in two consecutive seasons. The pooled data indicates that combination dose of Fluopicolide 6.25% + Propamocarb Hydrochloride 62.5% SC @ 1500 ml/ha provided the best disease control (82.43%) amongst all the treatments along with increasing the yield by39.8%. The combination was not phytotoxicon cucumber up to the dose of 3000 ml/ha. Top Keywords Fluopicolide, cucumber, downy mildew, Propamocarb hydrochloride, synergism. Top |