Effect of integrated nutrient management on growth and yield attributes of yardlong bean(Vigna unguiculata subsp. sesquipedalis (L.) Verdc.)

M.  MANJESH; H. N. RAMESH  BABU C; NAGARAJAPPA  ADIVAPPAR; N.  RAJESHWARI

M. MANJESH Department of Botany and Seed technology, Sahyadri Science College, Shivamogga Kuvempu University - 577 203
H. N. RAMESH BABU C Department of Botany and Seed technology, Sahyadri Science College, Shivamogga Kuvempu University - 577 203
NAGARAJAPPA ADIVAPPAR Zonal Agricultural and Horticultural Research station ,Navile Shivamogga - 577 204, Karnataka, India
N. RAJESHWARI Department of Botany and Seed technology, Sahyadri Science College, Shivamogga Kuvempu University - 577 203

Keywords: Bio fertilizers, EMC, Integrated Nutrient Management, Rhizobium, Yardlong bean

Abstract

The present experiment was conducted during Kharif 2020-21 and 2021-22 at Zonal Agricultural and HorticulturalResearch Station, Shivamogga, Karnataka, to evaluate the effect of Integrated Nutrient Management on growth and yield ofunderexploited vegetable crop yardlong bean cv. Arka Mangala under naturally ventilated polyhouse. The experiment waslaid out in randomized complete block design (RCBD) with three replications and eight treatments viz. T1 – 100 %Recommended Dose of Fertilizer (RDF-25:75:60 NPK, kg ha-1 ), T2 -100 % RDF + Effective Microbial Consortia (EMC)+Vegetable Special (VS) , T3 - 125 % RDF, T4 - 150 % RDF, T5 - 175 % RDF, T6 - 125 % RDF + EMC+ VS , T7 – 150 %RDF +EMC+VS , T8 - 175% RDF+EMC+ VS.The integrated treatment combinations involve both organic and inorganicsource of nutrients which significantly influenced the growth and yield attributes. The results from the pooled data of twoyear revealed that, all the growth and yield traits were markedly influenced by the integrated nutrient management practices.Among different treatments, significantly higher plant height (247.96 cm), number of primary branches (8.54), initiation offlowering (38.29 d), days to fifty percent flowering (43.48 d), days to first harvest (52.83 d), number of pods per plant(25.17), pod length (74.56 cm), pod girth (3.98 cm), average pod weight (35.54 g), yield per plant (664.17 g) and higher podyield per 1000 m2 (2171.96 kg) were recorded with treatment 150% RDF + EMC+ VS. Thus Integrated Nutrient Managementpractices increased the growth and yield attributes of Yardlong bean and among compared treatments, T7 – 150% RDF +Effective Microbial Consortia (EMC)+ Vegetable Special (VS), found to achieve the maximum productivity of Yardlongbean. The evaluation of production economics revealed that growing of Yardlong bean with said treatment (T7) could be themost remunerative option with a highest benefit: cost of 3.15.