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ATTALA, E. (1997). EFFECT OF WAYS OF HAND THINNING ON 'ANNA' APPLE FRUIT QUALITY AND VEGETATIVE GROWTH UNDER EGYPTIAN DESERT CONDITIONS. Egyptian Journal of Agricultural Research, 75(4), 1081-1096. doi: 10.21608/ejar.1997.426489
EMAN S. ATTALA. "EFFECT OF WAYS OF HAND THINNING ON 'ANNA' APPLE FRUIT QUALITY AND VEGETATIVE GROWTH UNDER EGYPTIAN DESERT CONDITIONS". Egyptian Journal of Agricultural Research, 75, 4, 1997, 1081-1096. doi: 10.21608/ejar.1997.426489
ATTALA, E. (1997). 'EFFECT OF WAYS OF HAND THINNING ON 'ANNA' APPLE FRUIT QUALITY AND VEGETATIVE GROWTH UNDER EGYPTIAN DESERT CONDITIONS', Egyptian Journal of Agricultural Research, 75(4), pp. 1081-1096. doi: 10.21608/ejar.1997.426489
ATTALA, E. EFFECT OF WAYS OF HAND THINNING ON 'ANNA' APPLE FRUIT QUALITY AND VEGETATIVE GROWTH UNDER EGYPTIAN DESERT CONDITIONS. Egyptian Journal of Agricultural Research, 1997; 75(4): 1081-1096. doi: 10.21608/ejar.1997.426489

EFFECT OF WAYS OF HAND THINNING ON 'ANNA' APPLE FRUIT QUALITY AND VEGETATIVE GROWTH UNDER EGYPTIAN DESERT CONDITIONS

Article 19, Volume 75, Issue 4, December 1997, Page 1081-1096  XML PDF (3.94 MB)
Document Type: Original Article
DOI: 10.21608/ejar.1997.426489
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Author
EMAN S. ATTALA
Horticultural Research Institute, Agricultural Research Centre, Giza, Egypt
Abstract
Thinning is essential for producing 'Anna' apple fruits of high quality. Various ways of hand thinning were practical on fruitls at the age of two weeks from full bloom by either leaving two or three fruitlets per cluster all over the tree only per cluster on the lower two limbs. The re­sults reveal production of bigger fruits by all treatments, however best results concerning fruit weight, size and dimensions were obtained when all fruitlets were thinned from the upper two limbs and 3/cluster left on the other two. Both firmness and T.S.S. were not changed significantly by any of the conducted treatments. Concerning effect of thinning on vegetative growth (number of shoots, average length of new shoots and total shoot length) produced during the current year were evidently in­creased by thinning. However, the results were insignificant except the average length of a single shoot which increased significantly by bearing 2 or 3 fruitlets per cluster all over the tree.
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