Seed firms show off melons with longer shelflife

08/19/2013 04:36:00 PM
Vicky Boyd

checking the Brix content of a Harper melonVicky BoydLakhwinder Randhawa, a melon breeder with Sakata Seed America, checks the Brix level of a Harper melon with a refractometer.WOODLAND, Calif. — As a melon breeder for Sakata Seed America Inc., Lakhwinder Randhawa has to weigh agronomic traits, such as yield and disease resistance, with consumer traits, such as good flavor.

With the release of a new long shelf-life line of Harper melons, Randhawa said he believes he’s struck a good balance.

“We do work for the growers and retailers, but our main idea is to keep the melon in the market for a long time and to satisfy what consumers demand, which is quality,” he said.

But Morgan Hill, Calif.-based Sakata Seed America isn’t the only company looking at melons that combine sweetness and flavor with a longer shelflife.

St. Louis-based Monsanto also has a line of long shelf-life melons that were originally designed for long transport times from Central and South America to North America during the winter, said Monsanto melon breeder Jeff Mills.

And Syngenta Vegetables, Boise, Idaho, has a line of Western shipper varieties that can please growers, retailers and consumers, said Rod Jorgenson, cucurbit product lead.

All three companies showed off melon lines and vegetable varieties during tours Aug. 14 and 15 at their vegetable seed breeding facilities near Woodland.

Checking the internal pressure of a Harper melonVicky BoydLakhwinder Randhawa, a melon breeder with Sakata Seed America, tests the internal pressure of a Harper melon with a penetrometer. Harper melons resemble a Western shipper cantaloupe but with finer netting. They also have firmer, less aromatic, flesh.

Before releasing any variety, Sakata put it through a series of taste tests.

Infinite Gold, one of its recent Harper melon releases, scored the best in flavor, Randhawa said.

Sakata’s Harper melon line also has internal pressures of 8-9 pounds compared to 5-6 pounds for traditional Western shippers. In addition, brix runs at least 12 degrees, and retail shelf-life averages about 20 days, depending on cold chain management.

Syngenta has an experimental line of long shelf-life Western shipper varieties, a few of which are nearing release, Jorgenson said. They include Dynamic, Stellar (formerly RML 0630) and RML 0628.

One of the experimental lines was planted on about 1,200 acres in California this year and has generated extensive interest, he said. Already, the company and cooperating grower-shippers have learned that it is better to pick this variety a day early than a day late.

“You’ll get behind these things very fast,” Jorgenson said. “Harvest crews move through these very slowly. You’ll get 450 cartons ideally on the first cutting.”

Instead of harvesting a field up to 15 times, Jorgenson said growers can pick a field only two or three times, saving labor.

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