Scientific Papers Series B Horticulture

Figure 1. Flowering period of raspberry fruitsPeriod, which lasts from the beginning ofvegetation, to fruit maturation, varies between59-87 days. Raspberry fruit ripening usuallybegins in the second-the third decade of June,with some deviations depending on thetemperatures set in this period.Raspberry reacts negatively to lack of moistureduring fruit formation and growth, which canlead to fruit weight reduction, fruit quantity andquality.Table 4. Development indices and the degree ofresistance raspberry plant, years 2002-2006VarietyDegree offructification,noteAveragefruit weightgrade,g degree ofBeandamage,note,Degree ofseptoriadamage,noteDegree offrostdamage,noteDegree ofdroughtdamage,note1.Barnauliscaia 2 2.0 2 1 2 32.Rubin 3 3.2 5 3 2 43.DelbardMagnific3 2.9 3 3 1 54.Stolichnaia 4 2.5 4 3 1 05.Chirjaci 4 2.0 4 3 1 46.Paphinder 5 1.6 2 3 0 27.President 1 2.5 2 2 1 -8.Kuthbert 1 1.6 0 0 4 39.IndianSummer3 1.6 0 0 2 210.HybridBulgarian5 3.5 0 0 1 311.June 1 1.3 1 1 0 412.Marfilk 1 2.0 2 2 2 -13.Kobfuller 4 2.4 - - 1 214.Cayga 3 2.5 1 1 0 -15.MallingPromise4 2.1 3 2 2 016.Solnishco 3 2.2 1 1 0 417.Lazarevscaia 4 2.7 4 4 0 118.Balsam 3 2.3 1 2 0 119.Brigantine 3 1.9 2 2 1 220.Meteor 1 1.6 2 2 1 421.RedWadenswil4 1.6 1 1 2 122. LloydGeorge5 2.7 2 3 1 023.RubinBulgarian5 2.5 3 2 2 424.PaulCamerzid2 2.4 - - 2 325.September 4 3.2 4 4 1 526.St. Walfried 4 1.7 0 0 2 127.Taylor 1 2.0 2 2 3 128.The Latham 5 2.1 0 1 1 129.MallingJewel2 2.2 3 2 2 3Variation limits 1-5 1.3-3.5 0-5 0-4 0-4 0-5Raspberry varieties capacity to adapt to the newconditions of growth and development of plants107is different, and lack of rainfall can affect thequantity and quality of the harvest, reduce fruitweight, if necessary measures are not related toirrigation. As a result of research conducted onplant development, degree of fruiting, fruitweight, degree of damage by disease, frost anddrought were assessed raspberry varieties onirrigated land, and the data obtained arepresented in Table 4.Appreciation fruiting varieties studied by theability to highlight varieties allowed Pathfinder,hybrid Bulgarian, Lloyd George, RubinBulgarian, Latham, who showed top marks inthe grade 5 on level fruition.The average weight of the fruits of raspberry isa criterion for assessing the quality varieties.The results obtained on fruit size allowed tohighlight the following varieties of fruitslargest: Hybrid Bulgarian-3.5 g, Rubin,September-3.2 g, Delbard Magnific-2.9 g,Lazarevscaia – 2.7 g. Small fruit varieties from1.3 to 1.6 g were: June, Meteor, Pathfinder,Red Wadenswil, Indian Summer, Kuthbert, St.Walfred.Figure 2. Maturation period of raspberry fruits, varietyDelbard MagnificResearch on winter hardiness of raspberryvariety introduced, included in the study andappreciation revealed the 0 score of thetoughest as: Pathfinder, June, Cayuga,Solnishco, Lazarevscaia, Balsam. Varietiesshowed an increased resistance to drought areStolicinaia, Malling Promise, Lloyd George.Among disease-resistant varieties (bean andSeptoria) were highlighted: Kuthbert, IndianSummer, Hybrid Bulgarian, St. Walfried, TheLatham.