Show hessian fly al always ways troublesome factor facto av proper sowing g dates protects winter wheat by IV J dryden until recently little damage ha hai resulted to spring wheat from th hi lies hesslan fly with winter wheat h has been another question in the past two years several V states have reported outbreaks outbreak i etro Z hessian ny fly maggots beneath lent leaf sheath in the soil among spring wheat after a succession ol of cool seasons with good rainfall several outbreaks were re ported at the north dakota a pediment peri ment station it was found that thai the mida variety of wheat showed a high degree of resistance to thi the hessian fly the mida was not in im mune to the hessian fly but its it re si stance was strong enough to mate make loss negligible kansas state college found that th the pawnee Is highly resistant to the hessian fly in that distri district cL oth olt er strains have been developed in i other states with winter wheat the USDA has ha determined the fly injury may be b avoided by sate safe sowing dates these thes dates range from september is 16 in 1 the labitt latitude ide of central michigan to I 1 october 27 in that mat of central geor gia the exact sate safe date in any lo 10 1 bality may be determined trot from state agricultural specialists |