University of Florida
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Case Study III – A Citrus Grove on the Ridge near Minneola, Lake County

A local grower after long observation noted that frosts generally did not occur under pine trees and that their root systems did not appear to interfere with citrus tree development. Therefore, a small grove of Fallglo trees was planted in 1989. Slash pine trees spaced 25 x 25 feet were planted at the same time. Four Fallglo trees were planted in a square between the pine trees in each North-South row. The grove is unirrigated and currently is on an organic certified program.

Fig. 1.  A 15-year-old organic Fallglo grove interplanted with slash pine trees.

Fig. 1. A 15-year-old organic Fallglo grove interplanted with slash pine trees.

Fig. 2.  Another view of the grove shown in Fig. 1.

Fig. 2. Another view of the grove shown in Fig. 1.

Fig. 3.  Slash pine trees were planted 25 x 25 feet.  They have survived and have grown well since 1989.

Fig. 3. Slash pine trees were planted 25 x 25 feet. They have survived and have grown well since 1989.

Fig. 4.  The Fallglo trees were planted in groups of four between the pines in each row.  The rootstocks were Palestine sweet line or rough lemon.

Fig. 4. The Fallglo trees were planted in groups of four between the pines in each row. The rootstocks were Palestine sweet line or rough lemon.

 

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