Standardization of Integrated Nutrient Module in cape gooseberry (Physalis Peruviana L.)
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Date
2020
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Department of Horticulture (Pomology), BAU, Sabour
Abstract
The current research work was conducted during 2019-20 in the Department of Horticulture (Fruit and Fruit Tech.), BAC, Sabour to standardize the integrated nutrient module in cape gooseberry. From the investigation, it was observed that the vegetative growth in terms of plant height, leaf area, total leaf count of cape gooseberry had improved significantly by 100% RDF + Azotobacter, PSB and KSB @ 10 g plant-1 each treatment. Physiological growth characters viz. leaf relative water content, specific leaf weight, leaf chlorophyll content was also obtained maximum in 100 % RDF + Azotobacter, PSB and KSB @ 10 g plant-1 each treatment. However, the reproductive growth with respect to precocity in flowering and fruiting with longest flowering, fruiting and harvesting span was obtained in 60 % RDF + Azotobacter, PSB and KSB @ 10 g plant-1 each treatment. On the other hand, total harvestable fruit plant-1 with highest yield plant-1 was recorded in 90 % RDF + Azotobacter, PSB and KSB @ 10 g plant-1 each treatment with par value in the module comprising 60 % RDF + Azotobacter, PSB and KSB @ 10 g plant-1 each. The quality attributes of ripped cape gooseberry fruit was also improved significantly in integrated treatment of 60 % RDF + Azotobacter, PSB and KSB @ 10 g plant-1 each with respect to TSS (15.90 °B), TSS: Acid ratio (21.08 %), total sugar content (11.29 %), ascorbic acid (60.03 mg 100g-1 FW), carotenoid (49.25 µg 100g-1 FW), flavonoid (50.16 µg g-1 FW), phenol (5.83 mg Gallic acid equiv. g-1 FW) and antioxidant capacity (22.54 µmol. Trolox equiv. 100 g-1 FW). Soil pH, EC, organic carbon content and available phosphorous of the cape gooseberry field under the current research work not varied significantly over control as well as the initial reading. While, available soil N and K was decreased marginally with the reduction of NPK doses under different treatments. However, microbial population viz. bacteria, fungi and actinomycetes count was improved significantly in all the bio-fertilizer applied nutrient modules. Hence it can be concluded that the integrated nutrient module comprising 60 % RDF of NPK + Azotobacter, PSB and KSB @ 10 g plant-1 (T6) is the best treatment to improve the production system of cape gooseberry in sustainable manner for long run without hampering the soil health and quality.