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 |
A study was conducted for twelve years (2000 to 2011) to investigate the long term effect of paclobutrazol application on fruiting, yield and quality of mango cv. Alphonso at Agriculture Experimental Station, Navsari Agricultural University, Paria, Gujarat. The experiment was laid out in randomized block design (RBD) with eight treatments replicated three times. The treatments consisted of T1: 4 g a. i. paclobutrazol/tree every year + Recommended Doze of Fertilizer (RDF); T2: 4 g a.i. paclobutrazol/tree every year + 1.5 times RDF; T3: 4-2-4-2 g a. i. paclobutrazol/tree in four year repetitive cycles + RDF; T4: 4-2-4-2 g a. i. paclobutrazol/tree in four year repetitive cycles + 1.5 times RDF; T5: 4-3-2-1 g a. i. paclobutrazol/tree in four year repetitive cycles + RDF; T6: 4-3-2-1 g a. i. paclobutrazol/tree in four year repetitive cycles + 1.5 times RDF; T7: RDF; T8: 1.5 times RDF. The results revealed that application of treatment T2 (4 g a.i. paclobutrazol/tree every year + 1.5 times RDF) recorded maximum fruit set per panicle at marble stage (2.05), minimum days to maturity (92.20), maximum number of fruits/tree (285.97), highest yield per tree (71.26 kg), maximum TSS (20.41 oBrix) and highest total sugars (14.85 %). All these parameters were statistically at par with treatment T4 (4-2-4-2 g a. i. paclobutrazol/tree in four year repetitive cycles + 1.5 times RDF) which recorded the Highest Cost Benefit Ratio (CBR) and hence recommended to the farmers.
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