Ecophysiological Recovery of Micropropagated Olive Cultivars: Field Research in an Irrigated Super-High-Density Orchard

被引:1
|
作者
Maldera, Francesco [1 ]
Garofalo, Simone Pietro [2 ]
Camposeo, Salvatore [1 ]
机构
[1] Univ Bari Aldo Moro, Dept Soil Plant & Food Sci, Via Amendola 165-A, I-70126 Bari, Italy
[2] Council Agr Res & Econ, Res Ctr Agr & Environm, Via Celso Ulpiani 5, I-70125 Bari, Italy
来源
AGRONOMY-BASEL | 2024年 / 14卷 / 07期
关键词
drought stress; irrigation management; micropropagation; mist propagation; olive ecophysiology; crop management; super high-density orchard; OLEA-EUROPAEA L; FRUIT CHARACTERISTICS; STOMATAL CONDUCTANCE; DEFICIT-IRRIGATION; OIL PRODUCTIVITY; N-S; TREES; RESPONSES; STRESS; PERFORMANCE;
D O I
10.3390/agronomy14071560
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
This research focuses on the seasonal patterns of the ecophysiological recovery of four olive cultivars (Arbequina, Coratina, Frantoio, and Urano), both micropropagated and self-rooted, grown in a mature, irrigated, super high-density (SHD) orchard under Mediterranean conditions (Southern of Italy). The aim was to observe the impact of the micropropagation method on the ecophysiological responses. Ecophysiological parameters, including leaf water potential (LWP), stomatal conductance (gs), net photosynthetic rate (Pn), and transpiration rate (E) were assessed. Self-rooted trees consistently exhibited superior gs, E, and Pn recovery compared to the micropropagated ones. 'Arbequina' maintained elevated levels of Pn under water-deficit conditions. 'Coratina' exhibited increases in gs and E after irrigation. 'Frantoio' demonstrated recovery capabilities, with lower LWP and higher Pn under stress. 'Urano' micropropagated trees achieved higher gs values in mid-summer, while self-rooted trees sustained higher Pn later in the season. This field research highlighted the important role of the propagation method in optimizing the physiological performance of olive cultivars in SHD orchards. Furthermore, it highlighted the necessity of long-term studies on the effects of propagation methods and their interactions with other farming practices.
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页数:21
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