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Open access

Ebrahiem M. Babiker, Stephen J. Stringer, Barbara J. Smith, and Hamidou F. Sakhanokho

The United States has more than 75,000 acres of cultivated blueberries. One-third of this production is in the Southeastern region, which is on track to be a major hub of U.S. production within the next few years. Two types of blueberries, rabbiteye

Open access

Giovani Rossi, Floyd M. Woods, and Courtney P. Leisner

Blueberries ( Vaccinium spp.) are an economically important fruit crop with many important cultivated species native to North America ( Hancock et al., 2008 ). The United States is a global leader in blueberry production, with fresh market

Free access

Alisson P. Kovaleski, Jeffrey G. Williamson, Bruno Casamali, and Rebecca L. Darnell

Pruning blueberries is a recommended practice to maintain the balance between vegetative vigor and reproductive growth ( Mainland, 1989 ; Shutak and Marucci, 1966 ; Williamson et al., 2004 ; Yarborough, 2006 ). Pruning improves light penetration

Free access

Alisson P. Kovaleski, Rebecca L. Darnell, Bruno Casamali, and Jeffrey G. Williamson

Pruning blueberry ( Vaccinium spp.) bushes is an important cultural practice ( Mainland, 1989 ; Shutak and Marucci, 1966 ; Williamson et al., 2004 ) that, if done properly, results in a balance between plant vigor and cropping, and ensures new

Open access

R.E. Gough

Abstract

Stone cells of highbush blueberry (Vaccinium corymbosum L.) were distributed primarily toward the periphery of the fruit; they apparently differentiated from ground parenchyma shortly after anthesis. Secondary cell wall material continued to be accreted through harvest, with lamellations about 1μm in width. The lignified walls were heavily pitted, with pits contiguous with those of adjacent stone cells. The number of stone cells may be correlated positively to the length of the growth season for each cultivar.

Open access

P. C. Andersen, D. W. Buchanan, and L. G. Albrigo

Abstract

Drip irrigation applied to cultivars of rabbiteye blueberry (Vaccinium ashei Reade) maintained soil moisture at 25 to 35%, (volume basis), –0.07 bars soil-water potential while no irrigation resulted in 12.5% soil moisture, –2 to –3 bars. Irrigation reduced leaf diffusive resistance (rL) by 50% and increased transpiration (T) by 70% but had no significant effect on midday stem xylem pressure potentials (ψx). Both yield and berry weight from irrigated plots were increased from 20 to 25% over those on nonirrigated plots. Seasonal changes in ψx, rL, and T of nonirrigated bushes suggested this species has some characteristic adaptations to drought conditions, one such adaptation being wax rodlets observed in and adjacent to stomatal pores. These may have contributed to a favorable water balance under stress by increasing leaf diffusive resistance.

Open access

Ebrahiem M. Babiker, Stephen J. Stringer, Hamidou F. Sakhanokho, Barbara J. Smith, and James J. Polashock

Blueberries rank as the second most important berry crop in North America with a total area of 96,869 ha ( Strik, 2006 ). As blueberry acreage increases, pathogen diversity and diseases become a more important issue. Stem blight, caused by the

Free access

Paul M. Lyrene

Tetraploid blueberry cultivars with a 100- to 400-h chill requirement (mean temperature of the coldest month 13 to 16 °C) are being grown in central and northeast Florida, in parts of Georgia and California, and in Argentina, Chile, Australia, and

Free access

Robert K. Prange and Perry D. Lidster

provided blueberries and a fumigation chamber. Partial support was provided by Liquid Carbonic. The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal regu. lations, this paper therefore must be hereby marked

Full access

Fumiomi Takeda, Gerard Krewer, Elvin L. Andrews, Benjamin Mullinix Jr, and Donald L. Peterson

Blueberry production in the southern United States (Alabama, Florida, Georgia, Mississippi, North Carolina, South Carolina, and Tennessee) has expanded to more than 18,750 acres and now makes up 29% of the planted acreage of rabbiteye and highbush