1953 年 66 巻 785-786 号 p. 247-255
1) In some cases, the flowering stimulus can be transmitted across a graft union. It was possible to stimulate Xanthium to flower initiation under long day conditions by graft-uniting it to photoinduced long day plants such as Erigeron annuus, Rudbeckia bicolor and Centaurea Cyanus.
2) Often abnormal flowers and fruits were produced on the receptor plants. The fruits were smaller than those produced on normal plants in the field and various abnormalities in structure were observed.
3) Xanthium cannot becaused to initiate flowering by grafting with Tagetes patula, Aster Savatieri, Coreopsis lanceolata and Crysanthemum coronarium var. spatiosum