Browsing by Author "Oyinti, Megu"
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ThesisItem Open Access : Effect of Plant Growth Regulators and Micro-nutrients on Fruiting and Quality Attributes of Litchi (Litchi chinensis Sonn.)(College of Horticulture and Forestry, Central Agricultural University, Pasighat, 2021-09-09) Oyinti, Megu; Hazarika, B.N.; Wangchu, L.In regard to morphological attributes, ZnSO4 applied @ 0.4% resulted in maximum per cent increase in plant height and canopy spread, i.e. 5.78% and 6.65% respectively. Whereas, application of Borax @ 0.4% exhibited maximum per cent increase in plant girth (8.72%). With respect to physical parameters of fruit and yield component, application of borax @ 0.4% resulted in maximum fruit set (43.76%), number of fruits per tree (1128.67), fruit yield (25.11 kg/tree), fruit size (36.95 mm), weight of fruit (22.24 g), weight of aril (15.65 g), content of juice (10.42 ml) and least cracking of litchi fruit (5.08%), seed size (16.55 mm), seed weight (2.48 g) and peel weight (2.83 g). Lowest fruit drop percentage (60.91%) was however caused by application of ZnSO4 @ 0.4%. With regard to shelf-life studies, foliar spray of GA3 @ 15 ppm caused minimum physiological loss in weight (11.28%), per cent rotting (4.67%) but resulted in maximum recorded number of days on shelf in room temperature in open condition (2.95 days), in paper bags (3.78 days) and in polythene bags (4.28 days). Application of ZnSO4 @ 0.4% resulted in maximum organoleptic properties. In respect of bio-chemical attributes, borax applied @ 0.4% resulted in highest total soluble solids (18.02°Brix), total sugar (20.92%), red. sugar (12.19%) and ascor. acid (36.75 mg/100 ml). From present study it can be inferred that the foliar application of borax and ZnSO4 @ 0.4% respectively proved to significantly influence better fruiting, yield and quality attributes of litchi.