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‘Murcott’ tangor (Citrus reticulata × Citrus sinensis) is susceptible to sunscald injury due to high temperatures during summer in Chiayi, Taiwan. The average rate of sunscald damage in ‘Murcott’ tangor fruit is 13.6% when no protective measures are used. The objective of this study was to compare the effects of covering developing fruit with white paper bags, calcium carbonate, or shade nets to reduce the effects of sunscald. A significant reduction in sunscald was realized when using white paper bags, calcium carbonate spray, or white, green, and black shading nets. Calcium carbonate spraying was the most rapid method, but was less effective in controlling sunscald, and resulted in the lowest photosynthetic rate. Compared with trees under shade nets, those under black netting had larger and heavier fruit. There were no significant differences in peel color, titratable acid (TA), total soluble solids/titratable acid (TSS/TA) ratio, or respiration rate for the evaluated treatments. Although all shading materials reduced sunscald, the use of shade net was the most effective in controlling damage related to this, and thus can have significant benefits for commercial citrus (Citrus sp.) orchard operations.

The fruit of 'TNG.22' is large in size (1.76 kg on average) with a cylindrical shape and yellow with shades of orange-red-colored peel when ripe. The fruits are of good quality as indicated by the dense and juicy yellow to golden-yellowcolored pulp of medium acidity and high sugar content (17.6°Brix on average). This new cultivar is free from problems of stemend splitting, pineapple core rupture, and cracking peel. The fruit can be harvested from May to October. OriginPineapple [Ananas comosus (L.) Merrill] is an economically important fruit crop planted extensively in tropical and subtropical regions. According to the Taiwan Agricultural Statistics Yearbook 2014, pineapple is one of the major fruits produced in Taiwan, with nearly 8,950 ha of area under pineapple cultivation, yielding about 456,243 Mg and valued at nearly $240 million (NT 8 billion). The cultivation areas are located in Pingtung,

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