Grafting clips for cucumber and watermelon rootstock . Increasingly greenhouse tomato growers are using grafting to both decrease susceptibility to root diseases and to increase fruit production through increased plant vigor . Specially developed for various types of plants according to graft Japanese seed method, called the head grafting. Made of soft flexible material with the proper light transmission . This material ensures easy grafting and prevents damage to the plant during the grafting and during further growth of the plant .