ORGANIC AMENDMENTS AND MULCHING FOR GROWTH, FLOWERING, YIELD, SEED PRODUCTION AND POST HARVEST LIFE IN CHINA ASTER

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dc.contributor.advisorTalukdar, Madhumita Choudhary
dc.contributor.authorKonwar, Binita
dc.date.accessioned2023-12-07T15:55:05Z
dc.date.available2023-12-07T15:55:05Z
dc.date.issued2022
dc.description.abstractThe investigation was conducted at Dhemaji during 2019-20 and 2020- 21, to study the effect of Organic amendments and mulching for growth, flowering, yield, seed production and post harvest life in China aster consisting of 36 treatments and 3 replications. Post-harvest quality of flowers was further studied for long distance transport in four different packaging material and three harvesting stages. The vegetative characters in pooled data were highly influenced by the nutrient treatment N4 (Microbial consortium (Bio fertilizers) + Rock Phosphate @ 5 g/m2 + Vermicompost @ 3.0 t/ha) where the highest plant height 60.00 cm , 205.68 number of leaves, 8.25 number of branches and 3313.39 cm2 leaf area. Similarly the mulching M2 (Silver lined plastic mulching) and its interaction with N4 i.e., N4M2 recorded the highest values for these traits. The minimum days for full bloom was recorded in the nutrient treatment N4 with 107.65 days, the mulching treatment M2 with 112.16 days and their interaction (N4M2) with 104.36 days. The nutrient treatment N4 recorded the highest number of flowers of 52.58, blooming period of 45.31 days, self life of 13.77 days and vase life of 11.15 days. The red plastic mulching (M3) was found to record higher values in terms of flower characters though at par with M2. The interaction treatment N4M2 recorded the highest number of flowers per plant (54.23) while N4M3 recorded at par performance with N4M2 showing maximum blooming period of 48.87 days, self life of 14.08 days and vase life of 11.73 days in pooled data. The physiological parameters were highly influenced by the nutrient treatments with N4 recording the highest chlorophyll content of 3.24 mg g-1, anthocyanin content of 309.02 mg 100g-1, NAR of 0.92 and RLWC of 93.21%. The mulching treatment M3 recorded highest values in terms of the above physiological parameters. The highest seed yield was observed in the treatment N4 (8.10 g/plant and 13.49 q/ha), M2 (7.52 g/plant and 12.53 q/ha) and the interaction N4M2 (8.45 g/plant and 14.09 q/ha). The germination percentage and seedling vigour showed a decreasing trend with increase in time from harvest when stored in room temperature. 6 The soil characters in the pooled analysis were found to be highest in terms of Organic carbon, pH, enzymes and microbial biomass carbon with the application of Enriched compost @3.0 t/ha (N8). In the post harvest study after transportation, packaging with high density polyethylene and flowers harvested at the full bloom stage recorded the lowest PLW (45.00%), wilting (71.85%), rotting (22.29%) and highest vase life (7.39 days) on the 5th day in the pooled data. The B:C ratio was found highest in the treatment N4M2 (4.57 and 5.54) followed by N4M3 (4.05 and 5.09) and N8M2(3.74 and 4.74) for flower and seed characters, respectively.
dc.identifier.urihttps://krishikosh.egranth.ac.in/handle/1/5810202370
dc.language.isoEnglish
dc.subHorticulture
dc.themeORGANIC AMENDMENTS AND MULCHING FOR GROWTH, FLOWERING, YIELD, SEED PRODUCTION AND POST HARVEST LIFE IN CHINA ASTER
dc.these.typePh.D
dc.titleORGANIC AMENDMENTS AND MULCHING FOR GROWTH, FLOWERING, YIELD, SEED PRODUCTION AND POST HARVEST LIFE IN CHINA ASTER
dc.typeThesis
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