scholarly journals Influence of Five Clonal Rootstocks on the Growth, Productivity and Fruit Quality of ‘Sylvia’ and ‘Karina’ Sweet Cherry Trees

2012 ◽  
Vol 20 (2) ◽  
pp. 5-10 ◽  
Author(s):  
Mirosław Sitarek ◽  
Barbara Bartosiewicz
Keyword(s):  
Sweet Cherry ◽  
Fruit Weight ◽  
Soluble Solids ◽  
Sectional Area ◽  
Cross Sectional ◽  
Yield Efficiency ◽  
Tree Vigour ◽  
Gisela 5 ◽  
Cherry Trees

Abstract In the field experiment, 8-year-old ‘Sylvia’ and ‘Karina’ sweet cherry trees grafted on ‘GiSelA 3’, ‘GiSelA 5’, ‘Piku 4’and ‘Weiroot 72’ clonal rootstocks were compared with trees of the same cultivars on the standard rootstock F 12/1. The data collected included tree vigour (expressed as trunk cross-sectional area − TCSA), yield, and fruit weight as well as content of soluble solids in fruit.Based on TCSA, the largest ‘Sylvia’ and ‘Karina’ trees were on ‘F12/1’, and the smallest were on ‘GiSelA 3’. The results revealed that all of the tested rootstocks being compared to ‘F 12/1’, significantly reduced the growth of sweet cherry trees.‘Sylvia’ trees on ‘GiSelA 5’ and ‘Piku 4’ yielded more than those on ‘F12/1’. The highest cumulative yields of ‘Karina’ were harvested from trees on ‘GiSelA 5’. ‘Karina’ trees on ‘GiSelA 3’, ‘Piku 4’ and ‘Weiroot 72’ performed comparably in cumulative yields to those on ‘F12/1’. Rootstock effects on yield efficiency were consistent between the two cultivars, with the most yield efficient trees on ‘GiSelA 3’, ‘GiSelA 5’ and ‘Weiroot 72’, and the least efficient trees on ‘F12/1’.Trees of both cultivars grafted on ‘GiSelA 3’ produced significantly smaller fruits than those grafted on ‘F 12/1’. The rest of the rootstocks, tested in terms of an effect on fruit weight (with the exception of ‘Karina’ on ‘Weiroot 72’), had a similar value to ‘F 12/1’. Effects of rootstock on content of soluble solids in fruit were modest and statistically insignificant.

scholarly journals The influence of rootstocks on the growth, yield and fruit quality of the plum cultivar Cacanska rana

2019 ◽  
Vol 64 (2) ◽  
pp. 165-174
Author(s):  
Dragan Milatovic ◽  
Mirjana Radovic ◽  
Gordan Zec ◽  
Djordje Boskov
Keyword(s):  
Fruit Quality ◽  
Growth Yield ◽  
Fruit Weight ◽  
Soluble Solids ◽  
Planting Density ◽  
Total Acid ◽  
Danube Basin ◽  
Cross Sectional ◽  
Yield Efficiency

The paper examines the influence of three clonal rootstocks ('Pixy', 'Fereley' and 'St. Julien A') along with seedlings of Myrobalan (control) on the growth, yield and fruit quality of the plum cultivar 'Cacanska Rana'. Research was conducted in the area of the Belgrade Danube basin for the six-year period (2013-2018). In comparison to control, all three clonal rootstocks have shown a significant effect on the decrease of vigor expressed as a trunk cross-sectional area. The lowest vigor was found in trees on the 'Pixy' rootstock, then on 'Fereley' and 'St. Julien A' rootstocks. Regarding the rootstocks 'Fereley' and 'St. Julien A', significantly higher fruit set and yields were achieved in comparison to control. Clonal rootstocks induced an increase in the yield per hectare ranging from 72% to 93% compared to Myrobalan. The highest yield efficiency was found in the trees on the 'Fereley' rootstock, followed by the yields observed in the trees on the 'Pixy' and 'St. Julien A' rootstocks. Significantly higher fruit weight compared to control was obtained in the trees on the 'Fereley' rootstock. Rootstocks did not show any significant effect on the soluble solids and total acid contents of the fruit. Based on the results obtained, it can be concluded that all three clonal rootstocks showed better results than Myrobalan, and can be recommended for establishing intensive plum plantations with higher planting density. The best results in terms of yield and fruit quality were obtained with the 'Fereley' rootstock.

scholarly journals Sweet cherry competitive varieties for the horticulture of the Krasnodar Territory

2021 ◽  
pp. 29-35
Author(s):  
R. Sh. Zaremuk ◽  
Yu. A. Dolya
Keyword(s):  
Sweet Cherry ◽  
Fruit Weight ◽  
Soluble Solids ◽  
Experimental Production ◽  
Scientific Center ◽  
The North ◽  
Local Breeding ◽  
New Varieties

Creation of new varieties that combine a complex of valuable traits, incl. the marketability and quality of fruits for updating the assortment of sweet cherry is an urgent direction of breeding research. The paper presents the results of a long-term work on the assessment of 12 varieties of sweet cherries of domestic and foreign breeding according to the main parameters of marketability and quality of fruits. The studies were carried out in 2015–2020 on the basis of the «Tsentralnoye» experimental production farm of the North Caucasian Federal Scientific Center of Horticulture, Viticulture, Winemaking. As a result of regional breeding and long-term variety study sweet cherry varieties of local breeding (Alaya, Volshebnitsa, Chernie glaza) and introduced varieties (Anonce, Vasilisa, Kroupnoplodnaya, Sweet Heart, Skina) with larger fruits (fruit weight of 8.5–12.0 g) were identified. These varieties correspond to world marketability standards. Varieties with high biochemical parameters have been revealed: vitamin C (10.9–13.0 mg/100 g) Volshebnitsa, Podarok leta, Anonce; vitamin P (81.6–116.0 mg/100 g) Volshebnitsa, Podarok leta, Kroupnoplodnaya; anthocyanins (213.5–390.0 mg/100 g) Madonna, Chernie glaza; sugars (14.2–15.2 %) Alaya, Volshebnitsa, Podarok leta; soluble solids (19.8–22.8 %) Alaya and Volshebnitsa. A greatest variation in parameters (Cv = 60 %) was noted in the number of anthocyanins from 87.0 in the Volshebnitsa variety to 390.0 mg/100 g in the Madonna variety. At the same time, the supposed direct correlation between the ripening period and the accumulation of sugars (R2 = 0.083) and dry matter (R2 = 0.107) was not revealed, due primarily to the varietal specifics and year conditions. For modern technologies of the production of high-quality cherry products in the south of the country, domestic varieties Krasnaya devitsa, Volshebnitsa, Alaya, introduced varieties Anonce, Kroupnoplodnaya, Sweet Heart and Skina, stably bearing fruit under stress conditions, with a yield of 20.0 t/ha with a planting scheme 5.3 m, high marketable and taste qualities were suggested. Super early ripening cherry variety Madonna was recommended to expand the regional cherry conveyor.

scholarly journals The effect of different types of rootstock on the quality of maiden trees of sweet cherry (Prunus avium L.) cv. ‘Regina’

2014 ◽  
Vol 67 (4) ◽  
pp. 43-50 ◽  
Author(s):  
Piotr Baryła ◽  
Magdalena Kapłan ◽  
Marcela Krawiec
Keyword(s):  
Sweet Cherry ◽  
Prunus Avium ◽  
Quality Characteristics ◽  
Sweet Cherries ◽  
Prunus Mahaleb ◽  
Different Types ◽  
Prunus Avium L ◽  
Gisela 5 ◽  
Cherry Trees

Over the period 2006–2009 in Lublin, a study was conducted to determine the effect of five types of rootstock: ‘Colt’, ‘F12/1’, sweet cherry (<em>Prunus avium </em>L.), ‘GiSelA 5’ and ‘Piast’ mahaleb cherry (<em>Prunus mahaleb </em>L.), on the growth and quality of maiden sweet cherry trees cv. ‘Regina’ in a commercial nursery. Based on the three-year average, rootstocks were shown to have a significant effect on the investigated quality characteristics of maiden sweet cherry trees. Trees budded on ‘Colt’ vegetative rootstock were characterized by strongest growth and best quality. In each year, they were thicker, higher and better branched than sweet cherries on the rootstock. Under the tested conditions, ‘GiSelA 5’ dwarf rootstock significantly reduced the growth and quality of budded sweet cherry trees in the nursery. During the period 2007–2009, no physiological incompatibility symptoms were observed ‘Regina’ sweet cherry cv. and ‘Piast’ seedling rootstocks. The growth of trees budded on ‘Piast’ mahaleb cherry was poorer than on ‘Colt’ clonal rootstock, but it was stronger than on ‘F12/1’ and <em>Prunus avium</em> L. rootstocks.

scholarly journals Yield and Fruiting Characteristics of 28 Selections in the Kentucky Pawpaw Cultivar Trial

HortScience ◽  
2004 ◽  
Vol 39 (4) ◽  
pp. 851A-851
Author(s):  
Kirk W. Pomper* ◽  
Joseph G. Masabni ◽  
Desmond R. Layne ◽  
Sheri B. Crabtree ◽  
R. Neal Peterson ◽  
...  
Keyword(s):  
Research Effort ◽  
Total Yield ◽  
Fruit Weight ◽  
The Other ◽  
Sectional Area ◽  
Cross Sectional ◽  
Yield Efficiency ◽  
Variety Trial ◽  
Asimina Triloba ◽  
Tree Survival

The pawpaw [Asimina triloba (L.) Dunal] has great potential as a new fruit crop. A pawpaw variety trial was established in Fall 1995 in Princeton, Ky. as a joint Kentucky State Univ.-Univ. of Kentucky research effort with the objective to identify superior varieties for Kentucky. A randomized block experimental design was used with 8 replicates of 28 grafted scion selections on seedling rootstock. Cultivars being tested included Middletown, Mitchell, NC-1, Overleese, PA-Golden, Rappahannock, Shenandoah, Sunflower, Susquehanna, Taylor, Tay-two, Wells, and Wilson. The other 15 clones were selections from the PawPaw Foundation. In 2002 and 2003, the following parameters were examined: tree survival, trunk cross-sectional area (TCSA), average fruit weight, total fruit harvested per tree, average fruit per cluster, total yield per tree, and yield efficiency. In 2003, 54% of the trees had survived, with `Susquehanna' (13%) showing the poorest survival. Based on TCSA, most selections displayed excellent vigor, with the exception of the selections: 5-5 and `Overleese'. Average fruit weight was greatest in 1-7-2 (194 g), 1-68 (167g), 4-2 (321 g), 5-5 (225 g), 7-90 (166g), 9-58 (176 g), 10-35 (167 g), NC-1 (180 g), `Sunflower' (204 g), and `Shenandoah' (168g), with the smallest fruit in `Middletown' (70 g), `Wells' (78 g), and `Wilson' (88 g). The selections `Wilson' (81), `Middletown' (75), and `Wells' (70) had the greatest average number of fruit per tree, whereas 4-2 (9), 5-5 (17) and 8-20 (15) the fewest. Yield efficiency and average fruit per cluster also varied greatly among selections. Several pawpaw selections in the trial show promise for production in Kentucky.

scholarly journals A Statistical Model to Estimate Potential Yields in Peach before Bloom

2003 ◽  
Vol 128 (3) ◽  
pp. 297-301 ◽  
Author(s):  
Carlos Miranda Jiménez ◽  
J. Bernardo Royo Díaz
Keyword(s):  
Prunus Persica ◽  
Predictive Ability ◽  
Frost Damage ◽  
Fruit Weight ◽  
Cross Sectional Area ◽  
Sectional Area ◽  
Potential Yield ◽  
Cross Sectional ◽  
Yield Efficiency ◽  
Crop Density

Spring frosts are usual in many of Spain's fruit-growing areas, so it is common to insure crops against frost damage. After a frost, crop loss must be evaluated, by comparing what crop is left with the amount that would have been obtained under normal conditions. Potential crop must be evaluated quickly through the use of measurements obtainable at the beginning of the tree's growth cycle. During the years 1997 through 1999 and in 86 commercial plots of peach and nectarine [Prunus persica (L.) Batsch], the following measurements were obtained: trunk cross-sectional area (TCA, cm2), trunk cross sectional area per hectare (TCA/ha), estimated total shoot length per trunk cross-sectional area (SLT, shoot m/cm2 TCA), crop density (CD, amount of fruit/cm2 TCA), fruit weight (FW, g), yield efficiency (YE, kg of fruit/cm2 TCA), yield per tree (Y, kg fruit/tree) and days between full bloom and harvest (BHP, days). CD and average FW were related to the rest of the variables through the use of multiple regression models. The models which provided the best fit were CD = SLT - TCA/ha and FW = SLT + BHP - CD. These models were significant, consistent, and appropriate for all three years. The models' predictive ability was evaluated for 32 different plots in 2001 and 2002. Statistical analysis showed the models to be valid for the forecast of orchards' potential yield efficiency, so that they represent a useful tool for early crop prediction and evaluation of losses due to late frosts.

scholarly journals Growth and yield of sweet cherry trees on different roostocks

1999 ◽  
Vol 5 (3-4) ◽  
Author(s):  
K. Hrotkó ◽  
L. Magyar ◽  
G. Simon
Keyword(s):  
Sweet Cherry ◽  
Cross Sectional Area ◽  
Tree Size ◽  
Growth And Yield ◽  
Sectional Area ◽  
Cumulative Yield ◽  
Cross Sectional ◽  
Yield Efficiency ◽  
Biennial Bearing ◽  
Similar Tendency

The first nine years' results of sweet cherry rootstock trial from Hungary are presented with the aim to select efficient rootstocks for the local ecological conditions. The trials were established in 1989 with 'Van' and 'Germersdorfi óriás' cultivars on the following rootstocks: mahaleb Sainte Lucie 64, Colt, MxM 14, MxM 97. All the trees were headed at 80 cm and trained to a modified Brunner-spindle system. Tree size and yield was measured every year, and the cumulative yield efficiency was calculated. Based upon the results, mahaleb cherry SL 64 is a vigorous rootstock with good compatibility and productivity. In comparison to SL 64. the trunk cross-sectional area and canopy spread of the 'Van' trees decreased by 10-15% on rootstock Colt, while the trees of 'Germersdorfi orias' on Colt roostock grew even larger than on SL 64. Considerable 30-40 % reduction of tree size was achieved on trees grafted on M x M hybrids. Trees of `Germersdorfi óriás' showed a similar tendency without significant differences. The cumulative yield efficiency of `Van' trees after nine years was highest on rootstock MxM 14, followed by Sainte Lucie 64. Trees on Colt and MxM 97 rootstocks showed low productivity. `Germersdorfi óriás' produced the highest cumulative yield efficiency on SL 64, followed by MxM 14 and Colt and last MxM 97. Biennial bearing index of heavy cropping 'Van' trees was smaller than that of `Germersdorfi óriás'. The trees of 'Van' on MxM 97 showed higher biennial bearing index, while 'Germersdorfi orias' on different rootstocks showed similar tendency, but without significant differences. MxM 14 and MxM 97 rootstocks reduced the crotch angle of the shoots on both sweet cherry varieties which is disadvantegous to spindle training. Slight suckering (1-3/year) of the rootstocks Colt, MxM 14 and MxM 97 were observed during the first few years.

scholarly journals The effect of rootstocks on the efficiency of a nursery of sweet cherry (Prunus avium L.) trees cv. ‘Regina’

2014 ◽  
Vol 66 (4) ◽  
pp. 121-128
Author(s):  
Piotr Baryła ◽  
Magdalena Kapłan ◽  
Marcela Krawiec ◽  
Piotr Kiczorowski
Keyword(s):  
Sweet Cherry ◽  
Prunus Avium ◽  
Cherry Tree ◽  
Tree Nursery ◽  
Prunus Avium L ◽  
Gisela 5 ◽  
Cherry Trees

During the period 2006–2009 in Lublin, a study was conducted to determine the effect of five rootstocks: ‘Colt’, ‘F12/1’, sweet cherry (<em>Prunus</em><em> </em><em>avium</em><em> </em>L.), ‘GiSelA 5’, and ‘Piast’, on bud take in the cultivar ‘Regina’, the quality of budded trees and the efficiency of a sweet cherry tree nursery. The highest percentage of bud take in cherry trees cv. ‘Regina’ and the best efficiency of the sweet cherry tree nursery were obtained for the rootstocks ‘Piast’ and ‘Colt’. In two years during the three-year study period, the rootstock was found to significantly affect the efficiency of the sweet cherry tree nursery. When grafted on the rootstocks ‘Colt’ and ‘Piast’, a significantly higher percentage of trees met the requirements of the Polish Standard PN-R-67010 than on the clonal rootstock ‘GiSelA 5’. Under the tested conditions, the quality of maiden sweet cherry trees cv. ‘Regina’ grafted on the dwarfing rootstock ‘GiSelA 5’ was lowest.

scholarly journals Ultra high density planting for higher productivity in guava

2018 ◽  
Vol 33 (01) ◽  
Author(s):  
P. Barman ◽  
D. Mishra
Keyword(s):  
Psidium Guajava ◽  
Quality Parameters ◽  
Soluble Solids ◽  
Sectional Area ◽  
Cross Sectional ◽  
Central Institute ◽  
Yield Efficiency ◽  
Fruit Length ◽  
Titrable Acidity ◽  
Research Experiment

A research experiment was conducted at ICAR–Central Institute for Subtropical Horticulture, Lucknow (U.P.) farm under AICRP on Fruits. Trees of guava (Psidium guajava L.) cv. Lalit were planted in 2012 at 1.0 m x 1.0 m, 1.5 m x 1.5 m, 2.0 m x 1.0 m and 2.0 m x 1.5 m spacing. On the basis of results obtained at two years after planting, tree spacing of 2.0 m x 1.5 m exhibited highest trunk cross-sectional area (2.18 cm2), fruit yield in rainy and winter seasons (10.32 and 27.04 tonnes ha-1, respectively) and yield efficiency (3.44 kg cm-2), besides exhibiting highest quality parameters (highest fruit length, thickness and total soluble solids and lowest titrable acidity) in both the seasons.

scholarly journals Growth and productivity characteristics of Japanese plum cultivars

2017 ◽  
Vol 62 (2) ◽  
pp. 133-141
Author(s):  
Dragan Milatovic ◽  
Dejan Djurovic ◽  
Gordan Zec
Keyword(s):  
Fruit Set ◽  
Fruit Weight ◽  
Cross Sectional Area ◽  
High Yield ◽  
Tree Trunk ◽  
Sectional Area ◽  
Cross Sectional ◽  
Yield Efficiency ◽  
Japanese Plum

Growth and productivity characteristics including: initial and final fruit set, yield per tree, trunk cross-sectional area, yield efficiency and fruit weight were studied in ten cultivars of Japanese plums in the Belgrade area for the period of three years (2013-2015). Initial fruit set ranged from 5.6 to 44.4%, and the final fruit set from 2.6 to 23.36%. The high yield per tree (over 10 kg) was obtained in cultivars ?Obilnaja? and ?Morettini 355?, whereas the low yield (under 5 kg) was obtained in cultivars ?Strival?, ?Black Amber?, ?Early Angeleno? and ?Autumn Giant?. The lowest vigor was observed in the cultivar ?Golden Plum?, and the highest in the cultivar ?Strival?. The majority of cultivars had a very large fruit (over 50 g). The yield was strongly positively correlated with initial and final fruit set (r = 0.84**; r = 0.92**, respectively). Fruit weight was moderately negatively correlated with initial and final fruit set (r = -0.67*; r = -0.63*, respectively).

scholarly journals 509 Defoliation Affects Return Bloom, Fruit Set, and Fruit Quality of Three Apple Cultivars

HortScience ◽  
2000 ◽  
Vol 35 (3) ◽  
pp. 482D-482 ◽  
Author(s):  
David E. Davis ◽  
John A. Barden ◽  
Ross E. Byers
Keyword(s):  
Fruit Set ◽  
Fruit Weight ◽  
Soluble Solids ◽  
Cross Sectional ◽  
Yield Efficiency ◽  
Tree Defoliation ◽  
Crop Density ◽  
Golden Delicious ◽  
Apple Cultivars ◽  
Return Bloom

In 1997 and 1998, we determined the effects of defoliation on return bloom and fruit set following a light cropping year. In one study, `Braeburn' trees were hand-thinned to a crop density (CD) of 3 fruit/cm 2 trunk cross sectional area (TCSA) in late May 1997, and then either completely defoliated or half of the tree defoliated by hand on one of five dates between June and Sept. 1997. Compared to a nondefoliated control, both whole and half-tree defoliation on all dates reduced fruit count and yield efficiency (kilograms per square centimeter of TCSA) and affected fruit weight, starch, firmness, and soluble solids in 1997. In 1998, return bloom and fruit set were reduced by most 1997 defoliation treatments. Compared to other dates, defoliation on 3 July caused the greatest reduction in return bloom in both whole and half-defoliated trees. In another study, `Braeburn' trees were hand-thinned to a CD of 5 in late May 1998; complete defoliation by hand on 1, 15, or 29 July reduced return bloom and fruit set in 1999; the 1 July treatment resulted in zero return bloom. `Golden Delicious' and `York' trees were thinned to a CD of 3 in late May 1998 and were hand-defoliated on 21 July or 12 August by removing every other leaf or removing three of every four leaves over the entire tree. In 1999, return bloom and spur and lateral fruit set were reduced by all defoliation treatments. Fruit set was most reduced by the 12 Aug. treatment. Fruit set for `York' was lower than for `Golden Delicious' in all cases.

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