TUBER SIZE EFFECTS ON YIELD AND NUMBER OF POTATO MINITUBERS OF COMMERCIAL VARIETIES IN A GREENHOUSE PRODUCTION SYSTEM

Abstract

The aim of this study was to determine the effects of three different minituber (Mt) sizes (large, cutting and small) on the number and yield of minitubers (Mts) in 6 commercial potato varieties. The research was carried out according to the split plot design of greenhouse conditions in the 30x30cm plant density in 2017 and 2018. From potato varieties, Soylu were given the highest values in large and small Mt sizes, the number of Mt per plant and per hectare. Mt weight per plant, average Mt weight and Mt yield per hectare Cevher variety showed better performance than other varieties. Approximately 48-50 % of the Mts obtained in terms of Mt size were determined as Mts of 45-60 mm. The size of the cutting Mt was given a higher yield per hectare and the number of Mts than the others. According to the results of the study, Mts of commercial varieties in greenhouse conditions were planted in 30x30 cm plant density and 90% of them were planted directly in the field (≥ 25mm), firstly. Approximately 700000 Mts can be produced from one hectare greenhouse in the greenhouse production system in narrow plant density.

Keywords

• Conventional
• minituber
• Solanum tuberosum L.
• yield.

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