  Costraints for stop production in R-parity violating supersymmetry at
Tevatron have been evaluated using the D0 limits for first generation
leptoquarks. Such limits have been converted in constraints for the lambda'_131
R-parity violating coupling as a function of the stop mass for different
Minimal Supersymmetric Standatd Model (MSSM) scenarios and compared with Atomic
Parity Violation and HERA results. The D0 limits have also been interpreted in
terms of constraints on the parameters of the minimal Supergravity model. For a
part of the considered MSSM parameter space and for stop mass less than 240
GeV, Tevatron results are the best to date.
