Effect of spacing and micronutrients on yield of bitter gourd (Momordica charantia) grown under protected structures


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Authors

  • ABHAY VIKRAM SINGH ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
  • AWANI KUMAR SINGH ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
  • GOGRAJ SINGH JAT ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
  • TUSAR KANTI BEHERA ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India

https://doi.org/10.56093/ijas.v92i2.122211

Keywords:

Bitter gourd, Micronutrients, Protected structures, Spacing, Yield

Abstract

Proper plant spacing and foliar application of micronutrients is necessary for higher yield and quality. The
experiment was conducted to determine the effect of spacing and micronutrients on fruit yield of bitter gourd
grown under protected structures (nethouse and polyhouse). The variety Pusa Rasdar (27.06 days) showed superior
performance over Selection 32 (30.03 days) for opening of first female flower under net house. The wider spacing
(30 cm × 50 cm) enhanced early female flower (28.29 days) compared to closer spacing (under nethouse). The Pusa
Rasdar was superior for node number of first female flower (11.25 nodes) followed by Selection 32 (13.28 nodes)
(under nethouse). The wider spacing (30 cm × 50 cm) had a significant effect on first node of female flower appearance
(12.37 and 11.87 nodes) under polyhouse and net house. The maximum fruit weight was in Pusa Rasdar (206.89
g) (under nethouse). The application of boron @0.2% and calcium @0.6% enhanced the number of fruits per plant
(11.00 and 10.80) (under net house). The wider spacing (30 cm × 50 cm) also produced the highest number of fruits
per plant (11.37) in Pusa Rasdar (under net house) condition. The maximum fruit yield per plant was recorded in Pusa
Rasdar (2122.70 g) compared to Selection 32 (1646.61 g) (under net house). The wider spacing (30 cm × 50 cm) also
produced maximum fruit yield (2137.25 g) in Pusa Rasdar (under net house). Therefore, higher yield of bitter gourd
could be obtained under net house with broader spacing (30 cm × 50 cm) along with proper doses of micronutrients
(0.2% boron and 0.6% calcium).

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References

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Submitted

2022-03-14

Published

2022-03-15

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How to Cite

SINGH, A. V., SINGH, A. K., JAT, G. S., & BEHERA, T. K. (2022). Effect of spacing and micronutrients on yield of bitter gourd (Momordica charantia) grown under protected structures. The Indian Journal of Agricultural Sciences, 92(2), 180-184. https://doi.org/10.56093/ijas.v92i2.122211
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