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such as ethephon and methyl jasmonate have been tested with varying results to reduce fruit detachment force as an aid for mechanical harvest ( Malladi et al., 2012 ). An abscission zone between the fruit and pedicel resulting in a small, dry stem scar

detachment are not well understood. Enhancing our knowledge of the process of fruit detachment can greatly aid in developing methods to increase the efficiency of mechanical harvesting, which can in turn reduce the costs associated with blueberry production

). However, the area covered by the hand light bar is small. Since both almonds and walnuts are mechanically harvested, it is difficult to cover large enough areas with the hand light bar to coincide with areas harvested. Therefore, the areas covered with the

, 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

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

). 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

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