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Look for grafted veggies to be next season’s celebrity ‘seeds’

By: DEAN FOSDICK
December 24, 2012
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photo - In this publicity photo provided by courtesy Ball Horticultural Co., side-by-side tests run by Ball Horticultural Co. show at least 50 percent higher yields from grafted tomato transplants, left, over non-grafted varieties, right, as seen here at Log House Plants Nursery, in Cottage Grove, O.R. That total varies somewhat depending upon garden and gardener but means more fruit or larger fruit.  Grafted vegetables are expected to be a big hit in seed catalogs and retail stores next season. Photo by THE ASSOCIATED PRESS
In this publicity photo provided by courtesy Ball Horticultural Co., side-by-side tests run by Ball Horticultural Co. show at least 50 percent higher yields from grafted tomato transplants, left, over non-grafted varieties, right, as seen here at Log House Plants Nursery, in Cottage Grove, O.R. That total varies somewhat depending upon garden and gardener but means more fruit or larger fruit. Grafted vegetables are expected to be a big hit in seed catalogs and retail stores next season. Photo by THE ASSOCIATED PRESS 

In many of the seed catalogs arriving soon in mailboxes, the headliners will be grafted vegetables, in which one or more varieties grow from a single rootstock. Tomatoes seem to be the grafted transplants most frequently offered, providing greater disease tolerance, bigger harvests, increased vigor and better taste.

Side-by-side tests done by Ball Horticultural Co. in Chicago have shown at least 50 percent higher yields from grafted tomatoes than from nongrafted varieties. That total varies from garden to garden and gardener to gardener, but it means more fruit or larger fruit.

Grafted plants are also pricier, in part because grafting is labor-intensive.

“You’re also paying for disease insurance and a greatly improved yield,” said Scott Mozingo, product manager for Burpee Home Gardens, a Ball Horticultural subsidiary. “You’re paying more, but what you’re getting is so much more.”

Grafting is an ancient practice that fuses tissues from one plant to those from a genetically different plant, combining, for example, disease management with heirloom flavors. Think apple trees, grapevines and roses.

Vegetables have been late entries in large-scale grafting programs intended for home gardeners, particularly in the United States. But that is about to change.

“It’s been primarily because the (horticultural) industry here hasn’t been set up for it,” Mozingo said. “Grafted vegetables have been big in Asia for 70 years. In Europe, for about a decade. It’s been largely a supply problem, but I think they’re going to be a very big thing in seed catalogs next season.”

The potted plants will be offered with single or double grafts. Grafted peppers and eggplant will be offered along with tomatoes in many catalogs. Grafted cucumbers and watermelons may be added to the inventory once nurseries solve the logistics.

“Both vine out pretty quickly,” Kirschenbaum said. “We aren’t ruling them out, but we will have to come up with a clever way to get those plants shipped to our customers.”

At least one additional benefit can be derived from gardening with grafted plants: their entertainment value.

“It’s fun to say you can grow red cherry tomatoes and orange cherry tomatoes on one plant,” Kirschenbaum said.

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