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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 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - 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
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2020.9(8): 3827-3835
DOI: https://doi.org/10.20546/ijcmas.2020.908.441


Regulation of Flowering and Fruit Quality in Pineapple cv. Kew (Ananas comosus Merr.) Grown as Intercrops in Guava Orchard
R. Jana*
1ICAR-RCER, Research Centre Ranchi, Jharkhand, India-834010
2ICAR-RCER, Research Centre for Makhana, Darbhanga, Bihar, India-846005
*Corresponding author
Abstract:

A field trial was conducted to regulate flowering in pineapple cv. Kew by application of fertilizer, mulching and flowering hormone together to achieve maximum flowering and yield at ICAR–RCER, Ranchi Centre, India. The study was carried out infactorial RBD experimental design with three replications. All samples were analyzed through standard methods. Studies showed that in treatment T6 involving F2 fertilizer dose for pineapple (100 per cent N: P:K= 600:400:400 kg/ha), plastic mulching and ethephon 30 ppm together, the final flowering per cent of pineapple  were 70.42 and 69.11 during first and second year. The pineapple cv. Kew recorded the maximum average TSS of 14.85 0B under plastic mulch along with F2 fertilizer treatment in T6.  The highest average yield of pineapple was observed in F3 ( 100% standard fertilizer dose of pineapple + 50 % standard fertilizer dose of guava) and local weed mulching with ethephon 30 ppm treatment (T8) and average yield was 8.9 t/ha as intercrop (TSS=13.90B). However, under T8 treatment, mulching material when changed from plastic to local weed,  the average  yield of both the years was increased from 7.95 to 8.9 t/ha. On the contrary, the average TSS of the fruits decreased from 14.850B to 13.90B. In T8, F3 treatment with local weed mulching also recorded the maximum average soil moisture was 20.94% during growing period which influenced the production of bigger fruit (1.41 kg) by affecting growth process. Regulated deficient irrigation under hill and plateau condition of India gave the promising results which paved the way for cultivation of pineapple with 100% standard dose of N: P: K fertilizer (600:400:400 kg/ha). T6 treatment, i.e., F2 fertilizer dose, plastic mulching and ethephon (30 ppm) may be recommended for obtaining quality fruit (TSS=14.850B). On the other hand, T8, i.e., F3 fertilizer treatment, local weed mulching and ethephon (30 ppm) was appropriate for obtaining maximum yield (8.9 t/ha) as intercrop in guava orchard.


Keywords: Pineapple, Fertilizer, Mulching and ethephon, Yield and TSS
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How to cite this article:

Jana, B. R. 2020. Regulation of Flowering and Fruit Quality in Pineapple cv. Kew (Ananas comosus Merr.) Grown as Intercrops in Guava Orchard.Int.J.Curr.Microbiol.App.Sci. 9(8): 3827-3835. doi: https://doi.org/10.20546/ijcmas.2020.908.441