Manipulating Aeroponically Grown Potatoes with Gibberellins and Calcium Nitrate

文献类型： 外文期刊

第一作者： Wang, Ke-Xiu

作者： Wang, Ke-Xiu;Hu, Jian-Jun;Tang, Ming-Xia;He, Wei;Wang, Cui-Cun;Wang, Xi-Yao;Vander Zaag, Peter;Vander Zaag, Peter

作者机构：

关键词： Gibberellins; Anti gibberellins; Calcium nitrate; Potatoes; Aeroponics

期刊名称：AMERICAN JOURNAL OF POTATO RESEARCH （ 影响因子：1.697； 五年影响因子：1.673 ）

ISSN： 1099-209X

年卷期： 2018 年 95 卷 4 期

页码：

收录情况： SCI

摘要： Maximizing tuber number and yield in an aeroponics production system is imperative to make it cost effective and to make the best use of all facilities and inputs. Manipulating the plants hormonal makeup is a strategy. GA3(GA), Calcium Nitrate(CaN) and their combination were foliarly applied several times to potato plants of cvs. Favorita and Mira during both the autumn and spring growing seasons in a semi tropical setting in Sichuan. A contrasting treatment of an anti-gibberellin(Anti) was also studied in both seasons. Significant differences in plants height, stem diameter, chlorophyll content, leaf area index, the number of stolons, the number of stolon branches and tuber production were observed among different treatments and cultivars. For the cv. Favorita, CaN + GA and GA increased tuber weight per plant by 63 and 49% in autumn and 53 and 73% in spring respectively as compared to the control(CK); tuber number per plant under CaN + GA and GA treatments increased by 90 and 85% in autumn and 35 and 52% in spring respectively. For cv. Mira, the trend was similar but not as dramatic. Tuber numbers over 1400 per square meter were harvested with cv. Mira during the spring season with the GA and CaN + GA treatments.

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