On seven apple cultivars (Gala Must, Gloster, Granny Smith, Idared, Jonagold, Jonathan Csány and Mutsu), the author studied the influence of N-phenyl-phthalamic acid (Nevirol 60 WP) and fertilization on fruit setting and fruit quality.
The research results show that by using Nevirol 60 WP and applying fertilization, we can improve the fruit
Nevirol 60 WP has a great effect on the improvement of yield amount, especially by good nutrient supply. There is a significant difference between the reactions of different cultivars. The most sensitive to these treatments were the cultivar Gala Must and Granny Smith. Before using Nevirol 60 WP we have to take into consideration that the increased yield needs a higher nutrient supply; otherwise, fruit mass, diameter and fruit height will decrease, and the yield will frittered away. In the study, the most favourable effect of Nevirol 60 WP was detected under additionally fertilized conditions by the author.
...5); font-variant-ligatures: normal; font-variant-caps: normal; -webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial;">Our research focuses on a fruit thinning material that can also be used in apple production. This material reduces significantly the required manual labor of hand thinning by russeting the blossoms selectively. The ATS (ammonium-thiosulphate) acts as chemical desiccant contrary to the nowadays commonly used materials such as naphthalene acetic acid, naphthyl acetamide, benziladenin and ethylene, which affect the metabolic processes of the plant by regulating the hormone system. In our experimentals cultivar ’Pinova’ and ’Golden Reinders’ were treated with different concentrations of ATS. The effect of these doses on the fruit setting and the quality and quantity parameters of the fruits was studied. According to our results, in the case of cultivar ’Pinova’ the ATS did not have any detected effects at the concentration of 1.5%. Application of ATS at 3% decreased considerably the fruit setting and fruit yield, accordingly the mean fruit size improved. The response to treatment in the case cultivar ‘Golden Reinders’ does not have any similar consistent results.
In fruit production – among stone fruits – sweet cherry is considered to have great promise, but species of sweet cherry need improvement. Cherry plantations are advanced in years, therefore putting into operation high productivity plantations is an important field of research. Through clonal selection and cross-breeding, several new cherry... species were created in the recent past in Hungary. Spread of these species is also important. In our factorial cherry production, we use high trunk trees and trees with large crowns. Intensive plantations are very few in number.
Our goal is to study the morphological and physiological properties of new sweet cherry cultivars. The most important aim is to combine the productive area of foliage and the fruit quality. The present study shows the self pollination, fruit setting and fruit quality parameters.
We planted experimental trees, namely 6 plum varieties and 6 plum rootstocks in the spring of 2010, which of aim were the phenological -phases of variety-rootstock combinations analyses.
We observed 18 plum varieties – rootstocks combination in Kecskemét, in Garden of Kecskemét Collage. We set the examination with 2 kind irrigations.... A plum combination appear in the examination in 6 repetition depend on irrigation. The vegetative period started bursting of buds in 2011 March 15–18.; 2012 March 16–19. and 2013 March 12.–April 2. This was followed green buds stadium shorter or longer periods, than appeared white buds stadium and in the following day we could see started of flowering. The main flowering kept 7–10 days, except in 2012, when arriving frozen by April 8. morning stopped the main flowering. Following flowering we observed fruit falling 3 occasion, these weren’t noticed calendar date. These were in order: fruit falling after set, fruit falling in June, fruits falling before harvest. In 2013 these fruit falling there weren’t considerable. The ripening was characteristically varieties. The most of earlier ripening was ‘Katinka’/‘St Julien A‘, from which we didn’t harvest in 2011, but in 2012 July 17, and in 2013 July 9. pick up some plum fruits. The ‘Cacanska lepotica’ ripped in July 21–30, this was followed in ripening time the ‘Topfive’ in July 19.–August 6., The ‘Toptaste’ in August 5–23., The ‘Jojo’ in August 2–26., and the ‘Topper and ‘Katinka’/‘Mirobalan ’ stopped ripening in August 22.–September begin. The colouring leaves and the falling leaves started continue after harvesting, but we experienced the end of the falling leaves in the first bigger frozen time, October 24.–November 26.
The experiment with three different rootstock cultivars was set up in a commercial apple orchard at Nagykutas, which is situated in the western part of Hungary. The aim of our two-year-study was to determine the effect three different growing rootstock cultivars (M9, MM106 and seedling) on the flowering and productivity of 33 apple cultivars. O...ur observations included the following measurements: the date of the beginning and the end of flowering, flower density, fruit density, fruit numbers per tree and tree productivity. According to our results, it was found that the different growing rootstocks have a great determining effect on the above measurements. Our results showed that the flowering period was similar for all cultivars on the three different rootstocks. However, the flowering and the fruit setting decreased in the order M9, MM106 and seedling rootstocks. In contrast, the fruit number per tree followed, in decreasing order, MM106, seedling and M9 rootstocks.