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Christina H. Hagerty, Alfonso Cuesta-Marcos, Perry Cregan, Qijian Song, Phil McClean, and James R. Myers

Snap bean or “green bean” is the vegetable form of common bean, and are harvested before seeds mature. Whole pods are prepared by cooking, or preserved by freezing or canning. Several pod traits are important in snap bean that differentiate them

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Emilie Proulx, Yavuz Yagiz, M. Cecilia, N. Nunes, and Jean-Pierre Emond

The continuous development of improved snap bean cultivars throughout the years has provided germplasm with wide variety of colors, textures, shapes, and sizes to meet the growing conditions and taste preferences of consumers from many different

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C. A. Mullins and R. A. Straw

`Blue Ridge' snap beans were planted with no fertilizer or banded rates of 560 kg ha-1 of a 10-4.4-8.3 fertilizer on soils with medium fertility in 1990 and 1991. Foliar applications of water soluble fertilizers containing nitrogen, phosphorus, and potassium were made at early bloom and in split applications at early bloom and repeated 10 days later. No response to fertilizer banded at planting or to foliar nutrient applications was found in snap bean yields or pod quality. Most fertilizer applications at planting increased plant size and lodging in 1990, but not in 1991. With the use of a rotation schedule and winter cover crops, snap beans showed no response to fertilization on soils of medium fertility.

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Seema Sah, Stewart Reed, Krishnaswamy Jayachandran, Christopher Dunn, and Jack B. Fisher

Since arbuscular–mycorrhizal (AM) fungi are aerobic, symbiosis was not considered significant under flooded conditions. However, AM colonization of wetland plants is now believed more common than previously thought. In the humid tropics, storms that result in standing water for 24 hours or less are common. Short-term floods, especially on sandy soils, may leach banded fertilizer, reducing uptake efficiency. Crops planted in flood prone areas are not normally enhanced with mycorrhizal mixes. However, mycorrhizal associations tolerant to wet conditions may improve nutrient uptake as plants recover from short-term flooding. Greenhouse studies were initiated to determine the effects of frequent short-term floods (two to four events) on mycorrhizal colonization and subsequent development in snap bean (Phaseolus vulgaris

Phaseolus vulgaris L.) plants. Flooding produced no obvious long-term physical effects on plant shoots. In the first study, flooding did not affect survival of colonies established before the first flood event. Percent root colonization in flooded vs. nonflooded treatments was not significantly different at either 31 or 50 days after planting (DAP). As root length increased there was a concomitant increase in colonization so that percent colonization remained approximately the same in both flooded and nonflooded treatments. In the second study, three weekly floods beginning 13 DAP (cotyledon leaf open only) did not inhibit initial mycorrhizal colonization. Mycorrhizal associations should form with snap bean under conditions subject to short-term flooding. Additional research is needed to determine the efficacy of different mycorrhizal mixes under short-term flooded conditions in the field.

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Dennis C. Odero and Alan L. Wright

Snap bean ( Phaseolus vulgaris L.) is an important crop cultivated in the EAA of south Florida for the processing market. The EAA is dominated by organic soils (histosols) with up to 85% organic matter underlain by limestone bedrock ( Snyder, 1994

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Charles A. Mullins and Richard A. Straw

Snap beans comprise the largest acreage of any vegetable crop grown in Tennessee with an annual production of about 6,000 hectares. Approximately two-thirds of the production is for five fresh market packers and the rest is primarily for two large processors located within the state. Most production is machine harvested with over 50 harvesters owned by Tennessee producers. Primary fresh market cultivars grown are `Strike', `Hialeah', and `Greencrop'. Fresh market snap beans are mechanically and hand graded to remove small pods, broken pods, and trash. Hydrocooling has become a standard practice in fresh market packing operations. Packed beans are sold throughout most of the Eastern United States. Primary processing cultivars are `Roma II', `Trueblue', `Hystyle'. `Peak', `Benton', and `Labrador'. Snap beans are grown on the Cumberland Plateau and in West Tennessee for nearby processing plants. At present, only a small portion of snap beans grown for processing are shipped out of state.

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Sindynara Ferreira, Luiz Antonio A. Gomes, Wilson Roberto Maluf, Vicente Paulo Campos, José Luiz S. de Carvalho Filho, and Daniela Costa Santos

Snap beans belong to the same botanical species as the dry beans ( Phaseolus vulgaris L.) and are among the 10 most widely grown vegetable crops in Brazil, where their production is predominantly based on small farming ( Peixoto et al., 2001

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Adrienne E. Kleintop, James R. Myers, Dimas Echeverria, Henry J. Thompson, and Mark A. Brick

Common bean is consumed globally both as a dry bean and also as a vegetable. Two main forms of vegetable beans are consumed, shelled high moisture seeds (shell outs or fresh beans) and snap beans (also referred to as green, garden, or french bean

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George E. MacDonald, Nathan H. Peck, and John Barnard

1 Research Support Specialist. 2 Professor. 3 Statistician. This research was partially funded by the New York State Snap Bean Research Association. The cost of publishing this paper was defrayed in part by the payment of page charges. Under postal

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Wlodzimierz Ptasznik and Anwar A. Khan

1 Visiting Fellow. 2 Professor; to whom reprint requests should be addressed. This research was supported in part by grants from the New York Snap Bean Research Association and the Alfred Jurzykowski Foundation. We gratefully acknowledge the