Indian Journal of Agricultural Research

  • Chief EditorV. Geethalakshmi

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Indian Journal of Agricultural Research, volume 51 issue 4 (august 2017) : 384-387

Regulation of flowering in acid lime (Citrus aurantifolia Swingle)

M. Prabhu, S. Parthiban, A. Ramesh Kumar, B. Usha Rani, A. jayasamundeeswari
1<p>Horticultural College and Research Institute, Tamil Nadu Agricultural University, Periyakulam &ndash; 625 604, Tamil Nadu, India</p>
Cite article:- Prabhu M., Parthiban S., Kumar Ramesh A., Rani Usha B., jayasamundeeswari A. (2017). Regulation of flowering in acid lime (Citrus aurantifolia Swingle) . Indian Journal of Agricultural Research. 51(4): 384-387. doi: DOI:10.18805/ijare.v51i04.8428.

India is the largest producer of acid lime in the world and they are used as fresh fruit or for the preparation of pickles and beverages. They are rich in vitamin C, minerals and salts. The seasonality of production leads to market glut which results in poor returns to the farmers. Hence, an experiment was conducted to manipulate and regulate flowering by using various plant growth regulators  viz., GA­3 and cycocel, chemicals viz., KNO3 and salicylic acid at 11 different treatment combinations. The experiment was conducted in randomized block design (RBD) and each treatment was replicated thrice.  The age of the trees was seven years and the variety used was PKM1. The experiment conducted in four consecutive years. The experimental results showed that there were significant differences among the treatments. Acid lime trees sprayed with GA3 50 ppm in June +  cycocel  1000 ppm in September + KNO3 2% in October recorded the highest number of fruits tree-1 (1003), weight of fruits (48.60 g) and average fruit yield (28.96 kg tree-1). The same treatment registered the highest values for juice content (32.13 %), TSS (7.29o Brix) and ascorbic acid content (32.56 mg / 100ml). 

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