National Academy of Agricultural Sciences (NAAS)
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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 |
The study on the effect of biofertilizers on growth, yield and fruit quality of guava (Psidium guajavaL.) cv. Allahabad safeda was conducted in the guava orchard of Mr. Lakhwinder Singh, Village- Sarawan Bodla, Shri Mukatsar Sahib, Punjab in the year 2018-2019. The experiment was laid out in randomized block design with nine treatments and replicated thrice with a unit of one plant in each replication of a treatment. Different doses of biofertilizers Azotobacter @ 250 g/tree, PSB @ 200 g/tree, VAM @ 200g/tree and 75 % RDF along with control were applied on new growth flushes before flower initiation. Results revealed that maximum fruit diameter horizontal (8.86 cm), fruit diameter vertical (8.89 cm), fruit weight (227.7 g), TSS (9.03 oBrix) and fruit yield (58.60 kg/plant), total sugar (7.65 %), reducing sugar (4.28 %), non-reducing sugar (3.37 %) and ascorbic acid (180.36 mg/100g) was found in 75 % RDF + Azotobacter (250 g/tree) + PSB (200 g/tree) + VAM (200 g/tree) and minimum was found in plants under control. Minimum acidity (0.51 %) was recorded in 75 % RDF + Azotobacter (250 g/tree) + PSB (200 g/tree) + VAM (200 g/tree) and maximum was recorded in control. Hence, it could be concluded that combinations of biofertilizers in guava is found to be useful for obtaining higher yield and fruit quality.
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