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Register a new userEffect of time and grafting high area on the growth strength of apple cultivars: Golden Stark rimso and Starking delicious،delicious
تأثير مواعيد و ارتفاع منطقة التطعيم في قوة نمو بعض أصناف التفاح غولدن ديليشيس و ستارك ريمسون و ستاركنك ديليشيس
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أُجري البحث في مركز زراعي نبع عرى التابع لوزارة الزراعة في محافظة السويداء خلال الموسمين 2009 و 2010 لدراسة تأثير مواعيد التطعيم و ارتفاعه في قوة نمو أصناف تفاح كل من غولدن ديليشيس، ستارك ريمسون و ستاركنك ديليشيس. أظهرت النتائج تفوق الصنف غولدن ديليشيس على الصنفين الآخرين في متوسط قطر الطعم ( 9.06 مم) على بعد 3 سم من منطقة التطعيم عند اجراء التطعيم على ارتفاع 5 سم فوق سطح التربة، و تفوق الصنف ستاركنك ديليشيس معنوياً (0.05 >p) على الصنفين الآخرين في قوة نموه عند التطعيم على الارتفاعين 5 و 20 سم فوق سطح التربة، في حين حقق الصنف ستاركنك ديليشيس أكبر متوسط مساحة مسطح ورقي ( 2862.89 سم 2) عند تطعيمه على ارتفاع 20 سم في 31 آب كموعد ثالث في التجربة.
This study was carried out in AL Swaida nursery during 2009 and 2010 seasons to study effect of time and grafting high are on the growth strength of apple cultivars: Golden delicious، Stark rimson, Starking delicious. Results showed that Golden delicious preponderated on the other cultivars in diameter average (9.06 mm) at 3cm above the grafting area (5cm above soil level). The study also confirmed that Starking delicious showed significant superiority(p <0.05) in term of growth strength on the other two cultivars when grafting was carried at 5cm and 20cm above soil level and the best of leaf area (2862،89cm2) was observed at 20 cm above the soil level when grafting took place in 31 of August.
References used
Alberto, S., Queiros. F and R. de Castro. 2009. Effect of Nursery treatments on apple tree growth, yield and pruning costs. Agronomy Department University, Portugal. 13: 1340-1440
Blanco. 1989a. Effect of height of budding or grafting on scion vigour and cropping University, College of Agricultural, 15 : 376-382
Blanco. 1989b. Effect of height of budding or grafting on scion vigour and cropping University, College of Agricultural. 15 : 376-382
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تأثير مواعيد وارتفاع منطقة التطعيم في قوة نمو بعض أصناف التفاح - غولدن ديليشيس , ستارك ريمسون , ستاركنغ ديليشيس
The study was performed in Barshin Research Station- General
Commission for Scientific Agriculture Research on the trees age of
13 in grafted with Golden Delicious Cultivar on three rootstocks
(seedless rootstock Malus domestica, vegetative strong
rootstock
MM109, and MM111 half strong rootstock) over the years
(2014.2015 ).The study focused on growth vigor (the stem
circumference above the grafted area ,crown size - the rate of
shoots length and productivity).
In this research, we have studied the effects of some summer pruning at the
mid June and Juli, in addition to the common periodical winter pruning during
February.
Both studies were done to evaluate calcium concentration of fruits, quality
and yi
eld the apearance of physiological disorders during the storage and
fruits. Experiments were conducted on 8 year apple trees of Starking Delicious
and Golden Delicious, which are sensiitve to laek of calcium and as a result
caused bitter-pit as an important physiological disorder on apple fruits.
Summer pruning of apple trees at mid june increases their content of
calcium and their colors, also decreases physiological disorder, weight loss
during storage, without affecting the annual yield of trees.
Accorrding to the attained results, we recommend the farmers of apple trees
to follow summer pruning, because of its benefits on improving the condition of
trees and achieving the balance between vegetative and generative growth, and
reduced the alternate Summer pruning. Also improve the quality of fruits, their
storability and their resistance for some physiological disorders during storage.
The study was performed over the years (2014٬2015) in Barshin
Research Station- General Commission for Scientific Agriculture
Research on the trees age of 15 in grafted with Golden Delicious
Cultivar on two rootstocks, strong: seeds ( Malus domest
ica) and half
strong (vegetative Malling-Merton "MM111"). The study focused on the
effect of the original on the concentration of each of the elements (N-P)
in the leaves and branches of the Golden delicious Cultivar grafted on
those rootstocks.
The study was conducted at the Horticulture Department, Faculty of
Agriculture, University of Damascus, during the season of 2002 and 2003, in
order to study the effect of dipping apple fruits for the tow apple sorts for 5
minutes with some chemic
al substances, α-Tocopherol (0.25%) and
Prohexadion-Calcium (1%).
The fruits were stored at AlMaze cold storage unit under the normal
storage condition (0-1ºC, 93% R.H.), to find out some effects of these
treatments on some physical, chemical, and physiological changes of treated
and untreated apple fruits, especially: fruit weight, firmness, starch, and
soluble solids content.
Analysis of variance indicated a significant difference in storage ability of
both fruit apple samples in case of dipped fruits in Procalcium solution 1%
compared with control fruits. The tocopherol treated fruits were sometimes
significant.
The results showed a reduction in fruit weight in case of treated sample
during cold storage time. Fruit firmness was significantly better in both
treatments of procalcium 1% and tocopherol 0.25%compared with control,
and reducing physiological disorders during cold storage period.
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