scholarly journals Effect of flowering promotion with NAA or ethephon on ‘Golden Delicious’ apple trees with different flowering intensities

2021 ◽  
Vol 86 (4) ◽  
pp. 384-390
Author(s):  
J. Hladnik ◽  
◽  
M. Stopar ◽  
Keyword(s):  
Apple Trees ◽  
Golden Delicious

IMapple: a source-sink developmental model for ‘Golden Delicious’ apple trees

2017 ◽  
pp. 51-60 ◽  
Author(s):  
M. Fišer ◽  
J. Ravi ◽  
B. Benes ◽  
B. Shi ◽  
P. Hirst
Keyword(s):  
Developmental Model ◽  
Apple Trees ◽  
Golden Delicious ◽  
Source Sink

scholarly journals Impact of Repeated Yearly Applications of Prohexadione-Calcium On Vegetative and Reproductive Growth of ‘Golden Delicious’/M.9 Apple Trees

2017 ◽  
Vol 25 (1) ◽  
pp. 47-54 ◽  
Author(s):  
A. Nilgün Atay ◽  
Fatma Koyuncu
Keyword(s):  
Fruit Quality ◽  
Vegetative Growth ◽  
Fruit Set ◽  
Negative Impact ◽  
Apple Trees ◽  
Reproductive Growth ◽  
Node Number ◽  
Golden Delicious ◽  
Vegetative And Reproductive Growth ◽  
Prohexadione Calcium

Abstract Growth retardants have great potential to balance between vegetative and reproductive growth. To assess the effects of prohexadione-calcium (Pro-Ca, Regalis) on reproductive and vegetative growth, return bloom, fruit set, and also fruit quality in ‘Golden Delicious’ apple grafted on M.9 rootstock, an experiment was performed during 2010-2012. The applications of 125 mg dm-3 Pro-Ca on the same trees in each year resulted in a 40-43% shoot length reducing. Internodes length decreased with Pro-Ca at about 30%, while total node number was unaffected. Results indicate that Pro-Ca applications have no effects on tree trunk growth, flowering, yield, fruit set and development. Pro-Ca also didn’t have any negative impact on fruit quality during the three consecutive years. Moreover, Pro-Ca resulted in higher fruit size compared to control in the third year of trial. The results of this experiment clearly suggest that fruit growers can use Pro- Ca for the control of vegetative growth without having any negative effects on fruit quality and yield parameters. Once a full canopy has been achieved, annual shoot growth can be suppressed in the range of 20 to 30 cm with 125 mg dm-3 Pro-Ca treatment in ‘Golden Delicious’ apple trees.

scholarly journals Harvesting Semidwarf Freestanding Apple Trees with an Over-the-row Mechanical Harvester

1994 ◽  
Vol 119 (6) ◽  
pp. 1114-1120 ◽  
Author(s):  
D.L. Peterson ◽  
S.S. Miller ◽  
J.D. Whitney
Keyword(s):  
Malus Domestica ◽  
Market Quality ◽  
Fresh Market ◽  
Cumulative Yield ◽  
Apple Trees ◽  
Training Systems ◽  
Golden Delicious ◽  
Harvesting Efficiency ◽  
Mechanical Harvester

Three years of mechanical harvesting (shake and catch) trials with two freestanding apple (Malus domestica Borkh.) cultivars on a semidwarf rootstock (M.7a) and two training systems (central leader and open center) yielded 64% to 77% overall harvesting efficiency. Mechanically harvested `Bisbee Delicious' apples averaged 70% Extra Fancy and 10% Fancy grade, while two `Golden Delicious' strains (`Smoothee' and `Frazier Goldspur') averaged 40% Extra Fancy and 13% Fancy grade fruit. Mechanically harvesting fresh-market-quality apples from semidwarf freestanding trees was difficult and its potential limited. Cumulative yield of open-center trees was less than that of central-leader trees during the 3 years (sixth through eighth leaf) of our study. `Golden Delicious' trees generally produced higher yields than `Delicious' trees.

scholarly journals Influence of Root Pruning and Rootstock on Growth and Performance of `Golden Delicious' Apple

HortScience ◽  
1997 ◽  
Vol 32 (4) ◽  
pp. 645-648 ◽  
Author(s):  
D.C. Ferree ◽  
M. Knee
Keyword(s):  
Cell Division ◽  
Size Effect ◽  
Fruit Size ◽  
Root Pruning ◽  
Sectional Area ◽  
Cumulative Yield ◽  
Apple Trees ◽  
Cross Sectional ◽  
Golden Delicious ◽  
And Performance

`Smoothee Golden Delicious' apple trees on nine rootstocks or interstems were mechanically root pruned annually for 9 years beginning the year after planting. Root pruning reduced trunk cross-sectional area (TCA) by 14% over the first 5 years and 22% in the last 4 years of the trial. Yield and fruit size were reduced by root pruning in most years with the fruit size effect obvious in June at the end of cell division. Interstem trees of MAC.9/MM.106 were larger than trees on M.9 and the following interstems: M.9/MM.106, M.9/MM.111, M.27/MM.111. Trees on seedling (SDL) rootstock were the largest and had the lowest yield per unit TCA and lower cumulative yield/tree than trees on M.7, MM.106, and MM.1ll. There was no interaction for any measure of growth or yield between root pruning and rootstock or interstem.

scholarly journals Comparison of metamitron efficiency for postbloom thinning of young ‘Gala’ and ‘Golden Delicious’ apple trees

2020 ◽  
Vol 44 (1) ◽  
pp. 83-94
Author(s):  
Dragan RADIVOJEVIC ◽  
Jasminka MILIVOJEVIC ◽  
Milos PAVLOVIC ◽  
Matej STOPAR
Keyword(s):  
Apple Trees ◽  
Golden Delicious

Effect of timing of hand thinning on the cropping potential of Red Fuji apple trees

1992 ◽  
Vol 32 (3) ◽  
pp. 417 ◽  
Author(s):  
KM Jones ◽  
SA Bound ◽  
TB Koen ◽  
MJ Oakford
Keyword(s):  
Strong Correlation ◽  
Fruit Size ◽  
Research Station ◽  
Full Bloom ◽  
Apple Trees ◽  
Fruit Crop ◽  
Golden Delicious ◽  
Fuji Apple

In a hand-thinning trial of 6-year-old Red Fuji apple trees on seedling rootstocks at the Grove Research Station in southern Tasmania, unthinned controls were compared with trees that were hand-thinned between full bloom and 56 days after full bloom. Trees were thinned to about 200 flowers or fruit per tree. The response of fruit size and weight to later thinning was negative and linear (R2=0.72). This regression was not significantly affected if adjusted for the varying fruit crop per tree. It is concluded that in Australia, Red Fuji is capable of producing larger fruit at higher crop loads than either Red Delicious or Golden Delicious and that thinning at blossom produces much larger fruit than later thinning. Because of the strong correlation between Red Fuji fruit size or weight and time of thinning, we conclude that it is preferable to thin at blossom time.

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