ศูนย์นวัตกรรมเทคโนโลยีหลังการเก็บเกี่ยว

Integrated production in Chile: peaches, nectarines and plums, two years of research and development.

Cooper, T., Sazo, L. and Sagredo, K.

IOBC/wprs Bulletin, Vol. 24, No. 5. 2001. pp. 40-45.

2001

บทคัดย่อ

In 1998 the University of Chile started a research project on Integrated Production (IP) in stone fruits with the aim of developing a methodology of cropping, phytosanitary and postharvest management for peach, nectarine and plum trees. The project began with a diagnosis of the main producing areas to detect existing critical and limiting points for integrated fruit production (IFP). Such problems were oriental fruit moth (Cydia molesta [Grapholita molesta]), San Jose scale, aphids and mealybugs within the pests, and Monilinia, leaf curl, and powdery mildew within the diseases, mainly in peaches and nectarines. A trend to overthinning and very high nitrogen application in cropping, was also observed, whilst woolliness and internal browning were the main problems in postharvest. As derived from the diagnosis, specific trials were implemented and, for each species, two integrated systems were compared with a conventional one during two seasons. Results obtained so far have allowed by using IFP to produce, from a quantitative and qualitative point of view, similarly to the conventional system. The damage and presence of pest and diseases were higher than in the conventional system, but remaining under the tolerable thresholds of economic damage. In this third season the integrated systems under development are in the process of being commercially validated.