The present invention relates to a method for producing a dimeric stilbene using a plant callus culture solution. More specifically, the present invention relates to a method for producing a dimeric stilbene using a plant callus culture solution and a composition for dimeric stilbene production, which contains a plant callus culture solution as an active ingredient.

A new and distinct variety of grapevine named ‘Itumseven’ as herein disclosed. ‘Itumseven’ forms medium sized bright medium red colored berries with an attractive narrow ellipsoid berry shape, a neutral flavor and a firm berry texture. Being mid-season variety, the fruit commonly is ready for harvesting in from August to late September in Murcia, Spain. ‘Itumseven’ displays good eating qualities as a table grape, the fruit meatiness and firmness render the fruit amenable for handling, shipping, and storage.

A new and distinct variety of grapevine named ‘Itumseven’ as herein disclosed. ‘Itumseven’ forms medium sized bright medium red colored berries with an attractive narrow ellipsoid berry shape, a neutral flavor and a firm berry texture. Being mid-season variety, the fruit commonly is ready for harvesting in from August to late September in Murcia, Spain. ‘Itumseven’ displays good eating qualities as a table grape, the fruit meatiness and firmness render the fruit amenable for handling, shipping, and storage.

A new distinct variety of grapevine named ‘ARD8’ abundantly forms attractive crispy seedless berries with a red skin coloration, lax and large clusters which display a naturally sweet flavor with the fruit commonly ready for harvesting during August in San Joaquin Valley of Central California, U.S.A, and displays good eating qualities as a table grape, with firmness that renders the fruit well amenable for handling, shipping and storage.

A new distinct variety of grapevine named ‘ARD8’ abundantly forms attractive crispy seedless berries with a red skin coloration, lax and large clusters which display a naturally sweet flavor with the fruit commonly ready for harvesting during August in San Joaquin Valley of Central California, U.S.A, and displays good eating qualities as a table grape, with firmness that renders the fruit well amenable for handling, shipping and storage.

Provided herein are Vitis vinifera exhibiting Erysiphe necator resistance. In particular, provided herein are Vitis vinifera having in their genome mildew resistance locus O (MLO) genes, in particular and MLO6 gene and an MLO11 gene, where the MLO6 gene and MLO11 gene have reduced expression and/or function.

Provided herein are Vitis vinifera exhibiting Erysiphe necator resistance. In particular, provided herein are Vitis vinifera having in their genome mildew resistance locus O (MLO) genes, in particular and MLO6 gene and an MLO11 gene, where the MLO6 gene and MLO11 gene have reduced expression and/or function.

A new and distinct variety of grapevine plant named ‘SV28-100-202’ particularly characterized by its ellipsoidal shaped, seedless red berries which are very large, sweet and have crisp texture. Productivity is very high with shoots producing one or two clusters on spur pruned vines.

A new and distinct variety of grapevine plant named ‘SV28-100-202’ particularly characterized by its ellipsoidal shaped, seedless red berries which are very large, sweet and have crisp texture. Productivity is very high with shoots producing one or two clusters on spur pruned vines.

A new and distinct cultivars of grapevine, Vitis spp., which is an early to midseason ripening white wine grapevine that is resistant to Pierce's disease, exhibits low fruit ripening rot, and is able to produce premium white wines. The new and distinct cultivar produces a premium white wine with a pale yellow color and consistent yield. The cultivar has moderate-vigorous vine growth with moderate fruit yield. The cultivar produces wines with pale yellow color, smooth mouthfeel, and a harmonious blend of tropical fruit taste with a long and generous clear finish. The cultivar has inflorescences that develop generally from the 4.sup.th to 6.sup.th nodes of a shoot.