Effect of Different Sowing Dates and Varieties on Yield, Size and Number of Tubers of Potato (Solanum tuberosum L.)

S. P. Singh, S Kumar, S. Tomar, A. Rao
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Abstract

An experiment was conducted for determination of most suitable planting dates for cultivation of potato during Rabi season of 2011-12 and 2012-13 at Main Experiment Station, Department of Vegetable Science, Narendra Deva University of Agriculture and Technology, Kumarganj, Faizabad (U.P.). Five planting dates (17 October, 27 October, 7 November, 17 November and 27 November) and four varieties (Kufri Ashoka, Kufri Pushkar, Kufri Bahar and Kufri Arun) were arranged in Randomized Block Design with factorial concept, replicated four. Total tuber yield (q ha-1), total number of tubers plant-1, total number and weight of “A” grade (>75g), “B” grade (50-75g), “C” grade (25-50g) and “D” grade (0-25g) tubers plant-1. The result revealed that planting on 17 November produced maximum tuber yield i.e. 391.59 quintal and 404.59 quintal per hectare during 2011-12 and 2012-13, respectively. However, the minimum total tuber yield i.e. 282.61 q ha-1 and 291.74 q ha-1 was recorded when planted on 27 November during both the years of investigation. Among the varieties the maximum total tuber yield was obtained i.e. 376.33 quintal hectare-1 in variety Arun followed by Kufri Pushkar. However the variety Kufri Ashoka and Kufri Bahar found to be at par during 2011-12 and 2012-13, respectively.
不同播期和品种对马铃薯产量、块茎大小和数量的影响
在法扎巴德库马甘杰纳伦德拉德瓦农业技术大学蔬菜科学系主实验站进行了一项试验,以确定2011-12和2012-13 Rabi季节马铃薯种植的最适宜种植日期。5个种植日期(10月17日、10月27日、11月7日、11月17日和11月27日)和4个品种(Kufri Ashoka、Kufri Pushkar、Kufri Bahar和Kufri Arun)采用因子概念随机区组设计,重复4个。块茎总产量(q ha-1)、块茎总数-1、“A”级(>75g)、“B”级(50-75g)、“C”级(25-50g)、“D”级(0-25g)块茎总数和重量结果表明,2011-12和2012-13年度,11月17日种植块茎产量最高,分别为每公顷391.59和404.59吨。然而,在这两个调查年份中,11月27日种植的块茎总产量最低,分别为282.61和291.74 q ha-1。其中,“阿伦”品种块茎总产量最高,为376.33分公顷-1,“库夫里·普什卡”次之。然而,Kufri Ashoka和Kufri Bahar品种分别在2011-12年和2012-13年处于同等水平。
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