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). Losses are associated with reduction of the leaf photosynthetic area and weakening of the petioles induced by the leaf blight pathogens. Infected and weakened petioles often break during mechanical harvest, leaving the root in the ground ( Langenberg

contribute to increase profitability by increasing price premiums and reducing labor costs needed to harvest the fruit. Implementing mechanical harvesting for the fresh market is crucial to the long-term sustainability of the blueberry industry in times when

, primarily attributable to its long pedicels. This trait may be of considerable value for mechanical harvesting if it can be incorporated into commercial blueberries. Fruit is medium blue and ovate. A main difference between V. cylindraceum and V

The use of the abscission agent 5-chloro-3-methyl-4-nitro-1 H -pyrazole (CMNP) in combination with mechanical harvesting increases mature sweet orange fruit removal without causing phytotoxicity to leaves and young developing fruit through most of

incorporate germplasm from this section into cultivated germplasm and transfer the desirable traits that these species possess for mechanical harvesting and commercial production. The objective we address here is the evaluation of hybrids and BC 1 derivatives

harvested by mechanical harvesters was substantially higher (55% to 78%) than that of fruit harvested by hand (23%) ( Brown et al., 1996 ; Peterson et al., 1997 ). Clearly, the key to adapting the mechanical harvest to fresh-market blueberry is to reduce

cultivar had higher individual fruit weight than the NC 13G-1 line ( Kemble, 1993 ). Compact growth habit cultivars that have the jointless pedicel characteristic ( j or j-2 genes) may be once-over mechanically harvested, eliminating the need for

’ sweet orange crop ( Li et al., 2008 ). It has also been shown to aid in mechanical harvesting of citrus in Florida ( Yuan and Burns, 2004 ). Several studies have been conducted to understand the mechanism of CMNP-induced loosening in mature citrus fruit

, yield, storability, and mechanical harvestability. In addition, susceptibility to head splitting hinders the prolongation of harvest time and thus the ability of growers to select harvest times for optimal selling price. Head splitting resistance is thus