25 Jan 2024
Citrus Pruning in the Mediterranean

Citrus Pruning in the Mediterranean Climate: A Review

Pruning is a common practice in citrus for various reasons. These include controlling and shaping the canopy; improving phytosanitary health, productivity, and fruit quality; and facilitating operations such as harvesting and phytosanitary treatments. Because pruning is an expensive operation, its need is sometimes questioned.

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15 Feb 2016

Evaluation of two organosilicone adjuvants at reduced foliar spray volumes in South African citrus orchards of different canopy densities

J. Gideon van Zyl and Paul H. Fourie
Citrus Research International | Department of Plant Pathology, Stellenbosch University

Ewald G. Sieverding
Evonik Industries AG, Goldschmidtstraße, Germany

David J. Viljoen
Evonik Africa (Pty) Ltd, Somerset West

South African citrus fruit producers rely heavily on medium to high volume fungicide spray applications (Grout, 1997, 2003) to protect citrus fruit from challenging diseases such as Citrus black spot (CBS) (Phyllosticta citricarpa (McAlpine) van der Aa (syn. Guignardia citricarpa Kiely)) (Kotze, 1981, 2000; Schutte et al., 1997) and Alternaria brown spot (Alternaria alternata (Fr: Fr) Keissl., tangerine pathotype) (Schutte, 1996).

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