Improving seed germination and seedling growth of dragon fruit (Hylocereus undatus) by PGRs

ANAGHA  P K; PRAKASHA  D P; KULAPATI  H; MALLIKARJUN A; VIJAY M; ANAND N

doi:10.56093/ijas.v94i2.140708

Authors

ANAGHA P K University of Horticultural Sciences, Bagalkote, Karnataka 587 104, India
PRAKASHA D P University of Horticultural Sciences, Munirabad, Koppal, Karnataka
KULAPATI H University of Horticultural Sciences, Bagalkote, Karnataka 587 104, India
MALLIKARJUN A University of Horticultural Sciences, Bagalkote, Karnataka 587 104, India
VIJAY M University of Horticultural Sciences, Bagalkote, Karnataka 587 104, India
ANAND N University of Horticultural Sciences, Bagalkote, Karnataka 587 104, India

https://doi.org/10.56093/ijas.v94i2.140708

Keywords:

Benzyl adenine, Dragon fruit, Gibberellic acid, Seed germination, Seedling growth

Abstract

Dragon fruit [Hylocereus undatus (Haworth) Britton and Rose] is an exotic super fruit introduced in India. It can be naturally propagated through seeds and stem cuttings. Present study was carried out during 2018 to 2021 at Main Horticultural Research and Extension Centre (MHREC), College of Horticulture, University of Horticultural Sciences, Bagalkote, Karnataka to improve the efficiency of seed germination and seedling growth in dragon fruit using PGRs. The results showed that, there were significant differences among various treatments. Treatment 100 ppm GA₃ recorded as the best treatment with respect to the parameters, viz. days taken for germination (10.60 days), germination percentage (87.00%), shoot length (10.27 cm), root length (8.06 cm), number of roots (6.20), seedling length (18.33 cm), seedling fresh weight (3.26 g), seedling dry weight (1.22 g) respectively at 90 days after sowing (DAS) and survival percentage (48%) than other treatments.

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