Standardization of planting geometry for aeroponic mini-tuber production in potato (Solanum tuberosum)

ASHWANI K SHARMA; TANUJA BUCKSETH; R K SINGH

doi:10.56093/ijas.v90i11.108566

Authors

ASHWANI K SHARMA Principal Scientist & Head, Central Potato Research Station, Kufri, Shimla 171 012
TANUJA BUCKSETH Scientist, Seed Technology Division, ICARCPRI, Shimla
R K SINGH Principal Scientist and Head, Seed Technology Division, ICARCPRI, Shimla

DOI:

https://doi.org/10.56093/ijas.v90i11.108566

Keywords:

Aeroponics, Mini-tubers, Plant density, Potato, Spacing

Abstract

For optimization of potato (Solanum tuberosum L.) mini-tuber production through aeroponics, an experiment was conducted for the standardization of plant density through varying in-row and intra-row spacing’s in the aeroponic unit of ICAR-Central Potato Research Institute, Shimla, HP, India. The results revealed that the total number of mini-tubers and yield per plant obtained during all the 14 harvests were in general higher at wider intra-row spacing of 15 cm than 10cm in both the inter-row spacing’s, viz. 15 cm as well as 20 cm. On per unit area basis, the number of tubers/ m2 was maximum at the highest plant density (66 plants/m2) achieved with 15 × 10cm spacing, closely followed and at par with plant density of 44 plants/m2 (15 × 15 cm) and minimum with lowest planting density (33 plants/m2) at 20 × 15 cm. Yield/m2 was not affected significantly with the varying plant density, however, the average weight per tuber was significantly higher (1.74g) at the lowest planting density (33 plants/m2) obtained with 20 × 15cm spacing and was statistically at par among rest of the treatments.

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