ON-FARM EVALUATION OF PROMISING POTATO GENOTYPES FOR ADAPTABILITY IN NORTHERN PLAINS AND PLATEAU REGIONS OF INDIA
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Abstract
Six medium maturing genotypes were evaluated in ‘on-farm’ trials at three sites of each nine locations in rabi season consecutively for two years (2003-04 and 2004-05). The material was grown in plot size of 48.0 m2 following the recommended package of practices. The crop was dehaulmed at 90 days and data were recorded on total tuber yield (TTY) and marketable tuber yield (MTY) on per plot basis and subjected to analysis of variance and stability analysis. Pooled data indicated that MS/92-1090 produced high total and marketable tuber yield at Hisar (370.96 and 360.08), Kota (245.01 and 233.87), Pantnagar (498.33 and 492.43), Faizabad (362.68 and 330.73) and Chhindwara (268.33 and 247.91q/h). The stability analysis showed that genotypes, environments, qenotype x environment and environment + (qenotype x environment) effects were highly significant for TTY and MTY. Mean sum of square for pooled deviations were highly significant for both the characters. A perusal of stability parameters for TTX and MTY identified three adaptable genotypes. Genotype MS/92-1090 was most adaptable with 330.83 >and 317.48q ha-1 mean yield of TTY and MTY, respectively with Pi = +22.28 and +26.23q ha-1 and bi =1.02 and 1.03 with significant mean square deviation followed by JW-160 and cv. Kufri Anand. The cultivars Kufri Sutlej and Kufri Bahar had poor adaptability for both these characters.Downloads
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How to Cite
Sharma, Y. K., Thakur, K. C., Bhutani, R. D., Trivedi, S. K., Singh, B. P., Verma, R. B., Nandekar, D. N., Kumar, S., Jha, G., Mahapatra, D., Patel, N. H., Pandey, S. K., & Naik, P. S. (2013). ON-FARM EVALUATION OF PROMISING POTATO GENOTYPES FOR ADAPTABILITY IN NORTHERN PLAINS AND PLATEAU REGIONS OF INDIA. Potato Journal, 32(3 - 4). https://epubs.icar.org.in/index.php/PotatoJ/article/view/33512