Carambola Fruit Maturity Index   | 
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    Index 1 – Dark Green. Not suitable for harvest. | 
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    Index 2 – Green overall with stripes of yellow. Suitable for export by sea. | 
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    Index 3 – Green overall with yellow. Suitable for export by sea. | 
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    Index 4 – Yellow green. Suitable for export by air. | 
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    Index 5 – Yellow overall with little green. Suitable for local consumption. | 
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    Index 6 – Yellow to orange overall. Ripe fruit. Suitable for local consumption. | 
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    Index 7 – Dark yellow to orange overall. Ripe fruit. Suitable for local consumption with limited storage life. |