National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692 Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
An investigation under multiplication trial (MLT) was conducted to evaluate the entries of Dioscorea alata locally known as Ratalu and Nagar Kanda under different agroclimatic zones of Chhattisgarh in rainfed condition to identify the high tuber yielding genotype of Ratalu. The experiment was conducted during Kharif 2015-16 and 2016-17 at five locations under Bastar Plateau, Northern Hill Region and Plains of Chhattisgarh with five genotypes including standard and local check under AICRP on Tuber Crops. The locations were the replications in the experiment. The experiment was laid out in Randomized Complete Block Design (RCBD) with five treatments viz. IGDa-2, Da-25, IGDa-4, Sree Karthika (St. Check) and IGDa-1 (Local check) with five replications viz. L1: Jagdalpur, L2: Dantewada, L3: Narayanpur, L4: Jashpur and L5: Rajnandgaon. Among the 05 entries of Dioscorea alata evaluated the entry IGDa-2 recorded highest tuber yield (26.56 t. ha-1) as compare to standard check Sree Karthika (20.70 t. ha-1) and Local check IGDa-1 (13.64 t. ha-1) which was significantly superior to all over the genotypes. The highest dry matter content (36.08 %) and crude protein (10.33 %) was recorded in entry Da-25. The promising entry IGDa-2 given 28.31 % higher tuber yield as compare to standard check Sree Karthika and 94.72 % as compare to local check IGDa-1. The promising entry IGDa-2 recorded highest organopeptic score (8.62), resistant for anthracnose disease and have excellent cooking quality as compare to local check. The entry IGDa-2 considered as promising genotypes of Dioscorea alata and it may be recommended for commercial cultivation in Chhattisgarh under rainfed condition.
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