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 experiment was conducted to ascertain the effect hydrogen cyanamide (HCN) @ 2 per cent a.i and abscisic acid (ABA) on time of ripening and fruit quality of Flame Seedless grapes. The treatment (T6 – HCN @ 2% + ABA @ 100 ppm) had advanced the time of ripening by 9-days as compared to untreated (control). Likewise, the maximum bunch weight (384.67 g) was recorded in a treatment in which 2 per cent HCN + 100 ppm of ABA was applied at veraison stage. Grapevines treated with 2 per cent HCN + 100 ppm ABA + 400 ppm ethephon had lowest uneven colour of berries/bunch (16.78 %). The maximum TSS was also recorded in T3 (HCN 2 % + 100 ppm ABA), while lowest acidity was recorded in treatment T6 (HCN 2 % + 100 ppm ABA + 400 ppm ethephon). The maximum (41.87 mg/100 g) anthocyanin content was recorded in treatment T3 i.e. HCN (2 %) + 100 ppm ABA. The present study suggested that pre-harvest treatment of 2 per cent HCN (at end of December) + 100 ppm ABA (at veraison stage) was helpful in advancement of ripening and improvement in fruit quality in Flame Seedless grapes.
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