Abstract
The present work was carried out during two consecutive seasons (2014 and 2015) in a private orchard located in Wadi Almollak, Ismailia Governorate, Egypt on 5-year-old trees. The study involved two mandarin cultivars, namely ‘Murcott’ and ‘Fremont’ (Citrus reticulata Blanco) grown on ‘Volkamer’ lemon (Citrus volkameriana Ten. and Pasq.) rootstock. ‘Murcott’ trees are prone to alternate bearing that can result in tree death as well as small fruit size. Pruning could reduce the crop size and the remaining crop should show an increase in fruit size. The small fruit size of ‘Fremont’ may make it unsuitable for cooler production areas. The trees of the two mandarin cultivars were pruned during the growth part of the season in January such that 25 (light pruning), 50 (moderate pruning) and 75% (heavy pruning) of the two-year-old shoots remained to bear the total yield tree-1, while the control plant was not pruned. The results showed that ‘Fremont’ mandarin showed the higher fruit yield compared to ‘Murcott’. Light pruning (25%) caused a significant higher yield than the control. Moderate pruning (50%) gave the highest increase in yield in the two seasons. ‘Fremont’ TSS (%) and TSS/acid ratio was superior to those of ‘Murcott’ in the control plant. All pruning treatments significantly increased TSS (%) and TSS/acid ratio in both ‘Fremont’ and ‘Murcott’ mandarin fruit. The results showed that light and moderate pruning of ‘Murcott’ and ‘Fremont’ produced acceptable yield as well as high desirable fruit quality.
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Claims 6
Claim · model-written summary
Fremont yielded more fruit than Murcott.
Verbatim
e0“‘Fremont’ mandarin showed the higher fruit yield compared to ‘Murcott’”
Claim · model-written summary
Light pruning significantly increased yield over unpruned controls.
Verbatim
e0“Light pruning (25%) caused a significant higher yield than the control”
t0“mandarin cultivars”
Claim · model-written summary
Moderate pruning gave the highest yield increase in both seasons.
Verbatim
e0“Moderate pruning (50%) gave the highest increase in yield in the two seasons”
e1“while the control plant was not pruned”
t0“mandarin cultivars”
Claim · model-written summary
Unpruned Fremont exceeded Murcott in TSS and TSS to acid ratio.
Verbatim
e0“‘Fremont’ TSS (%) and TSS/acid ratio was superior to those of ‘Murcott’ in the control plant”
t0“mandarin cultivars”
Claim · model-written summary
All pruning treatments significantly increased TSS and TSS to acid ratio in both cultivars.
Verbatim
e0“All pruning treatments significantly increased TSS (%) and TSS/acid ratio in both ‘Fremont’ and ‘Murcott’ mandarin fruit”
e1“while the control plant was not pruned”
Claim · model-written summary
Light and moderate pruning produced acceptable yield and desirable fruit quality in both cultivars.
Verbatim
e0“light and moderate pruning of ‘Murcott’ and ‘Fremont’ produced acceptable yield as well as high desirable fruit quality”
t0“mandarin cultivars”
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