EVALUATION OF WATERMELON CULTIVARS

for SOUTHERN OHIO, 1998

Brad R. Bergefurd, Extension Agent, Horticulture

Thom C. Harker, Research Assistant, Horticulture

The Ohio State University Extension Enterprise Center

1864 Shyville Road, Piketon, Ohio 45661-9749

(740) 289-3727, bergefurd.1@osu.edu

This Watermelon cultivar trial compared 15 cultivars using 3 replications of each cultivar. Objectives were to evaluate potential watermelon cultivars for their suitability in a southern Ohio growing season. The plots were located at the Ohio State University Enterprise Center research and demonstration plots in Hillsboro, Ohio.

METHODS:

Planting: Seeded 4/24/98 into 50-cell Pro Trays using a peat-vermiculite soil-less mix. Cells were thinned as needed to one plant per cell. Plants were field planted on June 21, 1998 using a Water Wheel Planter.

Spacing: Rows were 5 feet apart, with plants set onto raised beds at 36" spacing between each plant in the row. The beds were covered with silver reflective on black plastic mulch with trickle irrigation under the mulch prior to planting. Five plants per plot (5' x 15') provided a plant density of approximately 3,046 plants per acre.

Soil Type: Haubstadt Silt Loam

Fertilizer: Applied 120 lbs. N, 120 lbs. P2O5 and 120 lbs. K2O per acre prior to laying plastic mulch according to soil test recommendations. 20-20-20 (1 lb./100 gallon water, 8 oz. per plant) with transplanting water.

Weed Control: 4 pt. / Acre Curbit 3EC pre-plant between rows on 6/21/98; hand hoed and cultivated as necessary.

Pest Management: 2.5 fl. Oz. Furadan 4F per 1000 linear feet of row applied as a 7 inch spray band over the row prior to laying the plastic mulch. Pounce on 6/29 and 7/23. 1 qt. / acre Thiodan 3 EC on 7/10. 2 lb./ acre BRAVO 720 on 6/29, 7/10 and 8/4.

Irrigation: Trickle irrigated on 7/6, 7/19, 7/27, 8/7, 8/27 and 9/3

Harvests (8): 8/24, 9/1, 9/11, 9/18 and 10/1.

RESULTS:

There was average fruit set and yield throughout the harvest season. Vine health and quality remained good throughout the season. Harvest yield and quality attributes were collected and observed.

The cultivar Mardi Gras had the largest average fruit weight for the season.

Revere had the largest total number of marketable fruit per acre for the season and the third largest early marketable ton per acre.

Superstar had the second largest total number of marketable fruit per acre and the largest marketable ton of fruit per acre in the early harvest.

With field trials similar to this, Muskmelon crops can fit into the production scheme for southern Ohio growers. The growing season and average daily heat units seem to be adequate to produce a high quality melon crop. The long range goal is to utilize the existing agricultural infrastructure of southern Ohio to introduce these muskmelon cultivars as an alternative crop for southern Ohio producers.

Table 1. Yields and Quality comparisons from replicated Watermelon cultivar trials in southern Ohio:

Ohio State University Extension Enterprise Center, Hillsboro, Ohio 1998

Early Harvest (8/24 and 9/1)

Table 2. Yields and Quality comparisons from replicated Watermelon cultivar trials in southern Ohio:

Ohio State University Extension Enterprise Center, Hillsboro, Ohio 1998

Total Season Harvest

Table 3. Seed Sources

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