Properties of some late season plum hybrids from fruit research institute Čačak
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Since 1979 to 2012 fifteen plum cultivars were named and released in Fruit Research Institute, Čačak. Some of these cultivars, such as Čačanska Lepotica, Čačanska Rodna and Čačanska Najbolja are grown in most important plum growing countries in Europe. Also, these cultivars are used as parent cultivars in many plum breeding programs. In addition to the cultivars, large number of promising hybrids are created in Fruit Research Institute, Čačak and some of them, in this moment, are candidates for new cultivars. Therefore, in 2014 and 2015, we investigated the most important properties of four promising late season hybrids and standard cultivar ‘Stanley’. All four hybrids were harvested since beginning of September (34/41/87) until the beginning of the third decade of September (10/23/87). The earliest fl owering time was recorded in hybrid 34/41/87 and the latest in standard cultivar ‘Stanley’. Hybrids 10/23/87 and 26/54/87 generally had the highest fruit weight and all three fruit dimen...sions. Also these hybrids had the highest content of total sugars and sucrose and highest pH value, but poorest total acids content. The highest content of invert sugars and total acids was recorded in hybrid 22/17/87. This hybrid also, had the highest yield per tree and per hectare while the hybrid 34/41/87 had the lowest these values. Standard cultivar ‘Stanley’ had the largest stone weight and the highest amount of soluble solids.
Keywords:Yield / Plum hybrids / Late season / Fruit quality
Source:Agriculturae Conspectus Scientificus, 2016, 81, 2, 65-70
- University of Zagreb