Effect of biofertilizers on growth, quality, yield and shelf life of Guava (Psidium guajava. L) cv. L-49.

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dc.contributor.advisorHazarika, B.N.
dc.contributor.authorDebbarma, Monalisa
dc.contributor.otherWangchu, L.
dc.date.accessioned2022-02-21T06:08:23Z
dc.date.available2022-02-21T06:08:23Z
dc.date.issued2022-02-04
dc.descriptionThe present research was carried out during Nov-Dec at Fruit Research Farm at College of Horticulture and Forestry, Central Agricultural University, Pasighat, Arunachal Pradesh. The research was laid out in randomized block design with 10 treatments and 3 replications. The treatments were T1 (Control), T2 (1/2 RDF + Azotobacter 100 g), T3 (1/2 RDF + PSB 100 g), T4 (1/2 RDF+ Azospirillum 100 g), T5 ( 1/2 RDF + VAM 100 g), T6 (1/2 RDF + Azotobacter 100 g + PSB 100 g), T7 (1/2 RDF + Azotobacter 100 g + Azospirillum 100 g), T8 (1/2 RDF + Azotobacter 100 g + Azosdpirillum 100 g + VAM 100 g), T9 (1/4 RDF + Azotobacter 100 g + Azospirillum 100 g + PSB 100 g + VAM 100 g) and T10 ( Full doses of RDF (N 1140 g, P 1000 g, K 400 g).en_US
dc.description.abstractThe treatment T8 (1/2 RDF + Azotobacter 100 g + Azospirillum 100 g + VAM 100 g) was found significantly increased vegetative growth parameters including plant height (2.97m), plant girth (34.01 cm), canopy spread (N-S) (2.90 m) E-W (2.92) followed by T9 (1/4 RDF + Azotobacter 100 g + Azospirillum 100 g + PSB 100 g + VAM 100 g). Yield and yield attributing parameters such as no. of fruiting branches (26.40), No. of fruits per branch (8.60), Fruit set (59.43%) and yield (57.53 kg/plant) were recorded with T8 (1/2 RDF + Azotobacter 100 g + Azospirillum 100 g + VAM 100 g). Days to first flowering (28.73 days), fruit retention (59.76%) was maximum with T9 (1/4 RDF + Azotobacter 100 g + Azospirillum 100 g + PSB 100 g + VAM 100 g). Physical parameters fruit length (8.06 cm), fruit volume (206.6 cc) and fruit weight (195.00 g) were highest with T8 (1/2 RDF + Azotobacter 100 g + Azospirillum 100 g + VAM 100 g) and fruit length (8.20 cm) was found highest with T9 (1/4 RDF + Azotobacter 100 g+ Azospirillum 100 g + PSB 100 g+ VAM 100 g) as compared to control (5.58cm). Fruit quality parameters like TSS, Total sugar, non-reducing sugar, ascorbic acidity found maximum with T8(1/2 RDF + Azotobacter 100 g+ Azospirillum 100 g+ VAM 100 g). Titratable acidity and shelf life found non-significant. In soil physico-chemical properties available nitrogen, available potassium, available organic carbon was recorded with T8 (1/2 RDF + Azotobacter 100 g + Azospirillum 100 g + VAM 100 g). Soil phosphorus was recorded with T9 (1/4 RDF + Azotobacter 100 g+ Azospirillum 100 g + PSB 100 g + VAM 100 g) and there was no significant effect on soil PH and Soil EC. From the results of the present research, it can be concluded that, treatment, T8 i.e., ½ RDF + Azotobacter 100 g + Azospirilum 100 g + VAM 100 g was the most effective treatment for improving growth, quality, yield and shelf life of guava cv. L-49 followed by ¼ RDF+ Azotobacter 100 g + Azpspirillum 100 g + PSB 100 g + VAM 100 g under Pasighat, Arunachal Pradesh.en_US
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810182627
dc.keywordsBiofertilizer; Guava growth; yield quality; shelf life.en_US
dc.language.isoEnglishen_US
dc.pagesxiii+67en_US
dc.publisherCollege of Horticulture and Forestry, Central Agricultural University, Pasighaten_US
dc.research.problem1) To study the effect of bio-fertilizers on growth, yield and quality parameters of guava. 2) To study the effect of Bio-fertilizers on soil fertility status. 3) To evaluate the shelf life of guava under ambient room temperature.en_US
dc.subFruit Scienceen_US
dc.themeGrowth, quality, yield and shelf life of Guavaen_US
dc.these.typeM.Scen_US
dc.titleEffect of biofertilizers on growth, quality, yield and shelf life of Guava (Psidium guajava. L) cv. L-49.en_US
dc.typeThesisen_US
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