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Doudou Guo, Ziyi Chen, Danfeng Huang, and Jingjin Zhang

With growing interest in local food production using greenhouse technology, fresh and nutritious baby leaf greens are becoming increasingly popular among consumers ( Kroggel et al., 2012 ). Plug trays filled with substrate is used for greenhouse

Free access

Catherine M. Whitman and Erik S. Runkle

responses so that populations of plants could be commercially produced in flower in a complete and predictable manner. Materials and Methods Seedlings of Aquilegia × hybrida ‘Origami Blue and White’ and ‘Winky Double Red and White’ in 128-cell plug trays

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Lesley A. Judd, Brian E. Jackson, Ted C. Yap, and William C. Fonteno

during production (vegetable transplants, plugs for floricultural crops, and nursery liners) will be beneficial in future research of root development. The premise of this work was to develop a new apparatus to measure root growth in a greenhouse

Open access

Jiwei Ruan, Guoxian Wang, Gongwei Ning, Chunmei Yang, Fan Li, Linmeng Tian, and Lifang Wu

practical regime was developed and recommended to advance flowering and fruiting for decaploid strawberry ‘Tokun’ in the Central Yunnan area. Materials and Methods Plant materials. Plug plants of ‘Tokun’ were used in this experiment for SD and extra N

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Chandrasekar S. Kousik, Jennifer L. Ikerd, Patrick Wechter, Howard Harrison, and Amnon Levi

inoculated by placing a 7-mm agar plug from a 4-d-old actively growing isolate of P. capsici in the middle ( Fig. 1 ). The agar plug was placed on top of the fruit such that the mycelium and sporangia touched the fruit surface without injuring the fruit

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George Hochmuth, Dan Cantliffe, Craig Chandler, Craig Stanley, Eric Bish, Eric Waldo, Dan Legard, and John Duval

Strawberry (Fragaria ×ananassa) crops were transplanted in two seasons in central Florida with bare-root and containerized (plug) plants under three transplant establishment-period irrigation methods to evaluate crop fruiting responses and production economics associated with the various establishment systems. Irrigation was not required to establish plug transplants in the field. Early (first 2 months) fruit yield with nonirrigated plug plants was greater than early yield with sprinkler-irrigated bare-root plants (the current commercial system) in one of two seasons and equal in a second season. Total-season yields were similar in each season between the two establishment systems. Large or medium plug plants led to greatest early fruit yields in one season while large plug plants resulted in greatest early yield in a second season. Total yield was greatest with medium plants in one season and large plants in another season. The extra cost for the plug plant system was $1853/acre. In one out of two seasons there was increased net income amounting to $1142/acre due to greater early yield associated with the plug plant cultural system. Strawberry plug transplants showed promise for earlier and more profitable crops in addition to substantial savings in water used for plant establishment in the field. The ability to establish strawberry crops without irrigation will be important in areas where growers are required to reduce farm water consumption.

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Paige E. Boyle, Michelle M. Wisdom, and Michael D. Richardson

seed in the greenhouse and transplanted into the field. Seeds were sown into 50-cell plug trays (Greenhouse Megastore, Danville, IL) containing potting mix (Miracle Grow Moisture Control Potting Mix, Scotts Miracle-Gro Company, Marysville, OH) on 15 Feb

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Kathryn S. Hahne and Richard L. Harkess

The Transplanted Floral Meadow is a culture technique designed to provide an herbaceous planting of continuous seasonal bloom beginning about 1 month after transplanting to the landscape. The technique requires little or no maintenance once the plants have become established. The meadow consists of a seed mix of annual flowers that are started in the greenhouse in mixed plugs and transplanted to the landscape. In this study, plugs of the annual transplanted floral meadow seed mix were started by broadcasting the seed mix over flats of standard nursery cell-packs filled with a commercial growing medium. The plugs were grown in the greenhouse and transplanted to plots 4 weeks after sowing at 30 × 30-, 30 × 45-, or 30 × 60-cm spacing. The plug sizes used were 801, 1801, 804, or 1804 cell-packs. The plugs were transplanted to 2.25-m2 plots with three replications, each plot being a replication. Plug size and spacing were evaluated based on the rate of canopy closure measured biweekly as the amount of photosynthetically active radiation penetrating the canopy. Close transplant spacing with large plug sizes provided the quickest site coverage. The 1801 and 801 plug sizes provided the greatest species diversity. The 1804 plug size reduced the number of seedlings present at the time of transplanting and did not cover the site until late in the season. The 801 and 1801 plug sizes at 30 × 30or 30 × 45-cm spacing resulted in the best floral display. The results of this research will be used to standardize the transplanted floral meadow technique for use as a new product in the nursery trade.

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B.G. Wherley, P. Skulkaew, A. Chandra, A.D. Genovesi, and M.C. Engelke

authors reported that under 50% shade, all ecotypes exhibited positive changes in plug diameter, although quality was not always deemed acceptable. Levels of 90% shade proved more challenging, because acceptable turfgrass quality was difficult to achieve

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Dewayne L. Ingram, Charles R. Hall, and Joshua Knight

also studied using the model developed. The model was modified to examine the impact of a propagation phase in a 50-count tray to conserve greenhouse space or the purchase of rooted plugs to eliminate the propagation phase in this enterprise. Results