Horticultural Studies (HortiS)
2004, Vol 21, Num, 1 (Pages: 44-53)
DEVELOPMENTS IN THE CHEMICAL THINNING OF APPLES
Fatma AKINCI YILDIRIM 1 ,Fatma KOYUNCU 1
1 Süleyman Demirel Üniversitesi Ziraat Fakültesi, Bahçe Bitkileri Bölümü 32260 Çünür/ISPARTA
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In this review, emphasized the effect of thinning on fruit quality, a literature review is presented on
recent acknowledges about development of chemical thinning of apple. Different chemicals such as; dinitro
compounds, NAA (Napthalen Acetic Acid), NAAm (Napthalen Acid Amid), carbaryl, etephon, gibberillik
acid (GA ), thiourea, oxamyl and BA (6-Benzyladenine) are used for thinning. However, there are several 3
factors on successful thinning application. Firstly application concentration and application time should be
regulated in the best way. Tree age and vigor, variety and climatic conditions especially, temperature and
humidity is to be quite important. On the other hand all world recently, it has become a pressure for using
environmentaly friendly chemicals.
Keywords :
Apple (Malus communis L.), Chemical Thinning