Effect of CPPU on fruit and shoot growth of apple |
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| Authors: | N Sugiyama S Sansavini D Neri S Tartarini |
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| Institution: | 1. Faculty of Agriculture, University of Tokyo, Bunkyo-ku, 113 Tokyo, Japan;2. Dipartimento di Colture Arboree, University of Bologna, Via Filippo Re 6, 40126 Bologna, Italy |
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| Abstract: | The effects of CPPU on the growth of fruits and bourse shoots of apple were examined by targeted applications of 20 mg I“1 CPPU to fruitlets and/or bourse-shoot and spur leaves. Treating fruitlets and fruitlets-plus-leaves stimulated fruit growth to a similar extent; fruit growth rate was temporarily suppressed when only the leaves were treated. Conversely, bourse shoot growth was stimulated by leaf and leaf-plus-fruit treatments. All CPPU applications reduced the content of fruit soluble solids and induced a paler yellowish- green fruit ground colour. |
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