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Yiguang Wang, Chao Zhang, Bin Dong, Yaohui Huang, Zhiyi Bao, and Hongbo Zhao

flower and fruit colors of plants, and they control the color change of plant tissues from pink, red, and purple to blue ( Grotewold, 2006 ). Carotenoids are accessory components for photosynthesis and play important roles in photoprotection. In addition

Open access

Giverson Mupambi, Nadia A. Valverdi, Hector Camargo-Alvarez, Michelle Reid, Lee Kalcsits, Tory Schmidt, Felipe Castillo, and Jonathan Toye

quality directly attributable to the improvement of light availability into the canopy ( Corelli-Grappadelli, 2003 ). The deployment of reflective groundcover late in the growing season can improve fruit color in red or partially red apple cultivars

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Matthew R. Mattia and John W. Scott

be the least prone to YS. It is also important to know if there is a general trend for higher SSC to be associated with green shoulder vs. u and/or other fruit color genotypes as this would suggest a breeding shift back to u + to attain better

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Carmina Gisbert, Judith M. Dumm, Jaime Prohens, Santiago Vilanova, and John R. Stommel

very low concentration, fruit are green pigmented and if chlorophyll concentration is also very low, fruit color is white. Anthocyanin biosynthetic and regulatory gene duplication and subsequent sequence divergence are postulated to account for genetic

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Ignasi Iglesias and Simó Alegre

For many red and bicolored apple cultivars, including Gala, Delicious, and Fuji, red color (the intensity and quality of red skin) and fruit size are important parameters within the grading standards for European Union (EU) countries ( Diario

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Dineshkumar Selvaraj, Sherif Sherif, Mohd Sabri Pak Dek, Gopinadhan Paliyath, Islam El-Sharkawy, and Jayasankar Subramanian

provide enormous amount of phytonutrients due to their high polyphenolic and fiber content thus constituting a functional health food. Fruit color is a primary attribute to the appearance and quality of european plum. In general, color is important in

Open access

Zongyu Li, R. Karina Gallardo, Vicki A. McCracken, Chengyan Yue, Ksenija Gasic, Gregory Reighard, and James R. McFerson

disease, caused by the fungus Monilinia fructicola , which causes significant losses to the southeastern U.S. peach crop ( Schnabel et al., 2010 ) and the fruit quality attributes of size and fruit color (blush). Although the development of resistance to

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Juan Carlos Díaz-Pérez, Kelly St. John, Mohammad Yamin Kabir, J. Alberto Alvarado-Chávez, Ania M. Cutiño-Jiménez, Jesús Bautista, Gunawati Gunawan, and Savithri U. Nambeesan

( FW o ) used were 125.2 g (unshaded), 128.5 g (black), 150.1 g (red), 161.3 (silver), and 165.4 (white). Fruit color. Postharvest attributes (except transpiration) were measured in 20 mature green fruit per treatment (five fruit per plot). Fruit skin

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Ryan N. Contreras, John M. Ruter, and David A. Knauft

wild-type color is metallic-purple to magenta but there are cultivars with white (‘Lactea’ and ‘Bok Tower’) and pink (‘Welch’s Pink’) fruit, both of which are rare in nature. There are also leaf-variegated forms of American beautyberry such as ‘Berries

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W.C. Lin, J.W. Hall, and A. Klieber

A video-imaging technique, using commercial software to process images obtained at 550 nm, was established to estimate chlorophyll content of cucumber fruit disks. The chlorophyll content of excised disks was extracted, determined, and regressed on the video-image grey level. They were linearly related. The change in grey level of the whole visible image accurately indicated the change of green color during fruit development on the vine and the loss of green color after 1 week of storage at 13C. The relationship of the chlorophyll content on grey level was quadratic for three imaging methods: 1) average grey level of the five disks; 2) average grey level of the whole cucumber image; and 3) average grey level of central one-third of the whole cucumber image. Chlorophyll content was most highly correlated to the grey level of the disks themselves (residual SD = 6.74 μg·cm-2), but this sampling technique was destructive. Both one-third of the fruit image (SD = 9.25 μg·cm-2) and the whole image (SD = 9.36 μg·cm-2) provided satisfactory precision. For simplicity, whole-fruit imaging is suitable for estimating fruit chlorophyll content and for quantifying fruit green color intensity. Potential use of this technique in product sorting and shelf life prediction of long English cucumbers is discussed.