International Journal of Pure & Applied Bioscience (IJPAB)
Year : 2017, Volume : 5, Issue : 1
First page : (417) Last page : (424)
Article doi: http://dx.doi.org/10.18782/2320-7051.2457

Effect of Planting Dates and Paclobutrazol on Yield and Quality of Onion (Allium cepa L.) Seed

Naval Kishor Kamboj*, V.K. Batra, Chandanshive Aniket Vilas and Pravin Kumar Sharma
Department of Vegetable Science
CCS Haryana Agricultural University, Hisar-125004, Haryana, India
*Corresponding Author E-mail: kamboj.naval@gmail.com
Received: 14.01.2017  |  Revised: 26.01.2017   |  Accepted: 28.01.2017  

 ABSTRACT

A field experiment was carried out at Research Farm of the Department of Vegetable Science, CCS Haryana Agricultural University, Hisar (Haryana) during Rabi season of 2013-14 and 2014-15 to investigate the effect of planting dates and paclobutrazol on yield and quality of onion seed. The treatments comprising three planting dates (D1: First week of October, D2: Third week of October and D3: First week of November) and four levels of paclobutrazol (G1: Control, G2: Paclobutrazol 500 ppm, G3: Paclobutrazol 750 ppm and G4: Paclobutrazol 1000 ppm) were laid out in randomized block design (factorial). The results of the experiment showed that different planting dates and paclobutrazol levels influenced the yield and quality of onion seed. The onion crop planted on first week of October and sprayed with paclobutrazol 500 ppm found best in days to 50% flowering (102.00 and 99.33 days), number of umbels per plant (12.70 and 13.17), seed yield per plant (19.33 and 21.57 g), test weight (3.84 and 3.92 g), seed germination (82.67 and 85.20%), seed vigour index I (329.39 and 371.40), seed vigour index II (1176.87 and 1198.69) and EC of seed leachates (0.22 and 0.19), while the crop planted on first week of October and sprayed with paclobutrazol 1000 ppm resulted in minimum number of lodged seed stalks (7.80 and 7.40) during both the years.

Key words: Planting dates, paclobutrazol, seed yield, seed quality and onion

Full Text : PDF; Journal doi : http://dx.doi.org/10.18782

Cite this article: Kamboj, N.K., Batra, V.K., Vilas, C.A. and Sharma, P.K., Effect of Planting Dates and Paclobutrazol on Yield and Quality of Onion (Allium cepa L.) Seed, Int. J. Pure App. Biosci.5(1): 417-424 (2017). doi: http://dx.doi.org/10.18782/2320-7051.2457