INTEGRATED NUTRIENT MANAGEMENT ON GROWTH, YIELD AND QUALITY ATTRIBUTES OF HYBRID BITTER GOURD (Momordica charantia L.) VNR 22 2853
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Date
2019-07
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jau,junagdh
Abstract
The present investigation entitled “Integrated nutrient management on growth, yield and quality attributes of hybrid bitter gourd (Momordica charantia L.) VNR 22” was conducted at Fruit Fruit Research SResearch SResearch S Research SResearch S Research S Research Station, Lal baugh, Department of Horticulture, College of Agriculture, Junagadh Agricultural University, Junagadh during summer 2018. The experiment was laid out in a Randomized Block Design (RBD) with three replications and ten treatments viz. 100 % RDF of NPK (60 : 60 : 60 kg/ha) (T1), 100 % RDF of NPK + FYM 5 t/ha (T2), 100 % RDF of NPK + FYM 5 t/ha + Bio fertilizers 4 kg/ha (T3), 75 % RDF of NPK (45 : 45 : 45 kg/ha) (T4), 75 % RDF of NPK + FYM 5 t/ha (T5), 75 % RDF of NPK + FYM 5 t/ha + Bio fertilizers 4 kg/ha (T6), 50 % RDF of NPK (30 : 30 : 30 kg/ha) (T7), 50 % RDF of NPK + FYM 5 t/ha (T8), 50 % RDF of NPK + FYM 5 t/ha + Bio fertilizers 4 kg/ha (T9), Absolute control (T10). The observations on growth, flowering, yield and yield attributes, quality parameters and fertility status were recorded accordingly.
Results of the experiment revealed that an application of 100 % RDF of NPK + FYM 5 t/ha + Bio fertilizers 4 kg/ha recorded significantly maximum vine length (284.44 cm), number of branches per plant (12.32), minimum days to first male (39.67 days) as well as female flower appearance (42.13 days), average node no. of first female flower anthesis (24.47th node) and narrow sex ratio (3.09).
The same treatment illustrated that the plants treated with 100 % RDF of NPK + FYM 5 t/ha + Bio fertilizers 4 kg/ha had a significant effect on bitter gourd viz.,
maximum number of fruits per plant (20.63), fruit length (14.87 cm), fruit girth (50.82 mm), fruit weight (83.71 g), fruit yield per plant (1.72 kg), fruit yield per plot (15.20 kg), total fruit yield (5.65 t/ha) and minimum no. of seeds per fruit (7.67).
The quality parameters like TSS (3.19 ºBrix), ascorbic acid content (81.35 mg/100g), protein content (1.75 %) and shelf life (5.71 days) were also registered significantly higher with treatment of 100 % RDF of NPK + FYM 5 t/ha + Bio fertilizers 4 kg/ha.
Significantly higher value of available soil nitrogen (251.45 kg/ha), phosphorus (44.71 kg/ha), potassium (248.30 kg/ha) and organic carbon (0.76 %) at after crop harvest were found with treatment 100 % RDF of NPK + FYM 5 t/ha + Bio fertilizers 4 kg/ha. Among all treatments, the bitter gourd cultivation seems to be a profitable by using treatment 100 % RDF of NPK + FYM 5 t/ha + Bio fertilizers 4 kg/ha was obtained higher net return (₹1,69,336) and BCR (2.99).
On the basis of experimental result, it can be concluded that application of 100 per cent NPK integrated with FYM and biofertilizers turned to be the best treatment for increasing growth, flowering, yield and quality attributes of bitter gourd