ISHS Acta Horticulturae 750: II International Symposium on Loquat
TECHNIQUES TO IMPROVE LOQUAT FRUIT SIZE |
| Authors: | M. Agustí, M. Juan, C. Reig, N. Gariglio |
| Keywords: | Eriobotyra japonica, chemical thinning, fruit quality, auxin |
| Abstract:
In loquat (Eriobotrya japonica Lindl.), NAA thins fruit efficiently. The response depends on the concentration applied, on the date of treatment and on the chemical formula. Applications of 20 mg L-1 of NAA potassium salt applied when 2–3 fruits per panicle were visible reduced the number of fruits per panicle by 20–45%, and increased the average fruit diameter at harvest by 5.0 to 6.5%. Scoring branches or 20 mg L-1 of 2,4-dichlorophenoxyproprionic acid (2,4-DP) applied at the onset of cell enlargement stage increased fruit size by 10%, increased the distribution of commercially acceptable diameters, and advanced harvest date. | |
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