The present invention relates to a seedling transplant groove forming mechanism for a tractor, more specifically in a seedling transplant groove forming mechanism for a tractor, The front side of the support 401 mounted side by side to the coupling frame 201 of the rotorbator 2 mounted on the rear side of the tractor 1 is coupled to the coupling frame 201 by a band 401a, the support of the support 401 The rear side is coupled to the connecting rod 402, between the support 401, both sides of the intermediate stand 403 is installed side by side, between the two intermediate stand 403 is installed between the coupling piece 404, the rear side of the connecting table 402 is coupled A supporter 4 for supporting a toe molding machine configured by combining pipes 405a and 405b with an upper portion of a connecting piece 405 provided up and down； Insert the brace 502 into the coupling pipe 405b installed in the lower portion of the connecting piece 405, and insert the device table 501 into the coupling pipe 405a installed in the upper portion of the connecting piece 405, but not with the brace 502. Both ends of the device table 501 is connected to each other by the coupling table 503, and both sides of the device table 501 are coupled to the front side of the coupling bar 504 by the band 504a, and the coupling bar 504 The rear side of the coupling couples the connecting rod 505 having the vertical connecting tube 505a, and inserts an upper portion of the shaft connecting rod 506 into the vertical connecting tube 505a, and a rotating shaft 508 below the shaft connecting rod 506. An apparatus part 5 constituting a shaft bearing 507 for supporting both sides of the apparatus； The upper portion of the support rod 601 to the device stage 501 of the device portion 5 by the band 601a to support the support rod 502 to support the support rod 601, each plow at the bottom of the support rod 601 A patina molding machine 6 configured by coupling the blade 602 with a bolt 602a so as to
