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首页> 外文期刊>Acta Horticulturae >Phenology of two hybrids of artichoke (Cynara cardunculus L) in Junin, Buenos Aires
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Phenology of two hybrids of artichoke (Cynara cardunculus L) in Junin, Buenos Aires

机译：布宜诺斯艾利斯胡宁两个朝鲜蓟（Cynara cardunculus L）杂种的物候学

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In Argentina, artichoke {Cynara cardunculus var. scolymus (L.) Hayek L.) production areas are well-defined, corresponding 64% to La Plata (Buenos Aires), 14% to Rosario (Santa Fe) and 19% to the region of Cuyo. Given the need to seek alternative sustainable productions in Junin (Buenos Aires), a study was conducted with the aim of evaluating phenology of two hybrids of artichoke. The essay was carried out in the Experimental Field of Universidad Nacional del Noroeste de la Provincia de Buenos Aires (UNNOBA) located at 34°28'57.47"S; 60°52'39.91 "W. Two commercial artichoke hybrids, obtained by seed, were used: 'Opal' (violet) and 'Madrigal' (white). Transplant was performed on June 27, 2014 at 0.80 m between rows and 0.50 m between plants. A randomized complete block design with 12 replications and 5 plants per plot was used. During the growing season, daily maximum (TM) and minimum (Tm) temperatures were recorded with a data-logger Wash-Dog and number of chilling hours (CH) was estimated by Crossa-Reynaud modified formula: CH=24*(4°C-Tm)/(TM-Tm), using 4°C as base temperature instead of 7°C. Number of leaves to first flowering and days between transplant and first harvest were also registered. Data were subjected to variance analysis. From transplant to flowering (Tr-FL)252 chilling hours were accumulated, an amount that was enough to reach harvest. 'Madrigal' showed more precocity, starting flowering period after forming four leaves, and reaching first harvest date 172 days after transplant, while 'Opal' formed 6 leaves and required 185 days to first harvest, differences which were statistically significant.
机译：在阿根廷，朝鲜蓟{Cynara cardunculus var。斯科雷莫斯（L.）哈耶克（L.）鉴于有必要在胡宁（布宜诺斯艾利斯）寻找替代的可持续生产方式，因此进行了一项研究，旨在评估朝鲜蓟的两种杂种的物候学。这篇论文是在布宜诺斯艾利斯Provincia de Noroeste国立大学实验场（UNNOBA）中进行的，温度为南纬34°28'57.47“;西纬60°52'39.91”。使用通过种子获得的两种商品朝鲜蓟杂种：'Opal'（紫罗兰色）和'Madrigal'（白）。移栽于2014年6月27日进行，行间0.80 m，植物间0.50 m。使用随机完整块设计，每个样地有12个重复和5个植物。在生长季节，使用数据记录器Wash-Dog记录每日的最高（TM）和最低（Tm）温度，并通过Crossa-Reynaud修改公式估算出冷却时间（CH）：CH = 24 *（4° C-Tm）/（TM-Tm），使用4°C作为基准温度，而不是7°C。还记录了初次开花的叶片数量以及移植和首次收获之间的天数。对数据进行方差分析。从移植到开花（Tr-FL），共累积了252个小时的冷藏时间，足以达到收获的水平。 'Madrigal'表现出更多的早熟，在形成四片叶子后开始开花期，并在移植后172天达到首次收获日期，而'Opal'形成了六片叶子并且需要185天才能首次收获，差异具有统计学意义。

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