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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2018: 95.39
For more details click here

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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

Int.J.Curr.Microbiol.App.Sci.2017.6(6): 2193-2199
DOI: https://doi.org/10.20546/ijcmas.2017.606.259


Effect of Plant Growth Regulators on Yield and Quality Parameters of Summer Crop in Acid Lime (Citrus aurantifolia Swingle) cv. Balaji
G. Ranganna*, K. T. Venkataramana, L. Mukundalakshmi, K. Swarajyalakshmi and P. Sudhakar
Horticultural College and Research Institute, Anantharaju Peta, Dr. YSR Horticultural University, Andhra Pradesh, India
*Corresponding author
Abstract:

A field study was conducted at AICRP on Citrus, Citrus Research Station, Tirupati, Andhra Pradesh during the year 2015 under Dr. YSR Horticultural University, to find out Effect of Plant growth Regulators on yield and quality parameters of summer crop in acid lime (Citrus aurantifolia Swingle) cv. Balaji. Trees were sprayed with treatments viz Spraying GA3 @ 50 ppm during June + CCC @1000 ppm during September + KNO3 2% during October, Spraying CCC @ 200 ppm (Chloromequat chloride) 1st in August, 2nd in September followed by light pruning in September and heavy irrigation in mid-October, Application of Paclobutrazol @ 5 ml per meter canopy 4 times at 45 days interval starting from July to December, Spraying NAA @ 200 ppm during December, Spraying 2, 4-D @ 40 ppm during November + 20 ppm during February, Imposition of 30 days of soil moisture stress during October followed by 50 ppm Ascorbic acid spray at release of stress, Spraying ethephon @ 200 ppm during the month of October, With holding irrigation (Bahar) for 30 days in September followed by application of recommended dose of fertilizers and irrigation in the month of November and along with control (Not spray). The data recorded from the results concluded that maximum number of fruits per tree was (234.78) with the treatment application of Paclobutrazol @ 5 ml four times starting from July to December (T3), maximum fruit yield per tree was recorded with Spraying GA3 @ 50 ppm during June + CCC @ 1000 ppm during September + KNO3 @ 2 % during October (T1), Highest juice percent (53.59) recorded in the treatment spraying GA3 50 ppm during June + CCC @ 1000 ppm during September + KNO3 2% during October, Highest TSS (8.42 0Brix) was recorded with spraying GA3 @ 50 ppm during June + CCC @ 1000 ppm during September + KNO3 @ 2 % during October (T1), highest ascorbic acid content (61.09 mg) was noticed in spraying GA3 @ 50 ppm during June + CCC @ 1000 ppm during September + KNO3 2 % during October (T1) and the differences for acidity among the treatments was non-significant.


Keywords: Plant growth regulators, Acid lime, Yield, Quality.
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How to cite this article:

Ranganna, G., K.T. Venkataramana, L. Mukundalakshmi, K. Swarajyalakshmi and Sudhakar, P. 2017. Effect of Plant Growth Regulators on Yield and Quality Parameters of Summer Crop in Acid Lime (Citrus aurantifolia Swingle) cv. BalajiInt.J.Curr.Microbiol.App.Sci. 6(6): 2193-2199. doi: https://doi.org/10.20546/ijcmas.2017.606.259