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Screw tree (Helicteres isora Linn) productivity enhancement through branch pruning techniques

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The fruit of the screw tree (Helicteres isora) (‘kayu ules’ in Indonesian; ‘usak ne’o in the local language) is used for medicine (‘jamu’). This plant is a shrub species that grows to 4 m, with 9–12 stems. The fruit consists of five follicles that form spirals. The young fruit is green and, when mature, brown. The length and diameter of the mature fruit is 55.95 mm and 7.22 mm on average, respectively, with 55.29 mm of fruit stem.
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    Pamungkas, D.; Siswadi




    silviculture, agroforestry



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