Performance evaluation of potato genotypes for kharif cultivation in Odisha

Abstract

An experiment was conducted to evaluate the performance of different potato genotypes for off-
season cultivation in Koraput region of Odisha. Sixteen genotypes were evaluated for 10 quantitative

characters during kharif season of 2014 and 2015 and their inherent relationship. Observation on

plant height at 30 and 60 days after planting (DAP) revealed that Kufri Chipsona 3 recorded maximum

plant height of 34.0 and 44.5 cm, respectively closely followed by Kufri Chipsona 1 (32.3 and 43.3

cm). For growth parameter leaf area, Kufri Lalit recorded maximum value of 111.3 cm2

statistically at par with Kufri Lalima (109.1 cm2

performed poorly with a meagre leaf area of 63.2 cm2

plant were recorded in Kufri Ashok (7.81), which was statistically at par with Kufri Lalima, Kufri

Pukhraj, Kufri Lalit, Kufri Jyoti, Kufri Chipsona 3 and Kufri Khyati. Average tuber weight showed

variation in kharif season potato in which variety Kufri Jyoti registered maximum value of 28.9,

followed by Kufri Pukhraj (28.6) and Kufri Lalit (28.0). Kufri Lalima recorded maximum tuber yield of

133.2 q/ha which was statistically superior to all other varieties. Other promising varieties were

Kufri Pukhraj, Kufri Lalit, Kufri Khyati, Kufri Jyoti and their performance were similar for tuber yield.

Kufri Chipsona 3 performance was good with a yield of 120 q/ha while Kufri Arun registered a

meagre yield of 84.2 q/ha. In terms of marketable yield, Kufri Pukhraj gave maximum yield of 107.4

q/ha which was at par to other top performers viz. Kufri Lalima, Kufri Lalit, Kufri Khyati and Kufri

Jyoti. Potato marketable yield had positive and significant correlation with all other parameters

except for plant height at 30 DAP. Other parameters viz. plant height at 60 DAP (0.446), total leaflets

(0.391), dry matter (0.401), leaf area (0.794), tubers/plant (0.942) and average tuber wt. (0.735)

exhibited higher values for genotypic correlation over phenotypic correlation.

which was

) and Kufri Pukhraj (108.1 cm2

in kharif season. Maximum number of tubers/

). Exotic variety ‘Atlantic’