بررسی منابع تولیدکننده و نحوه تولید شکر تیغال

A survey was buplemented to identification predictor and production mode from march. shekar- Tighal cocoons in Lorestan province west part of Iran - . 1993 to march 1996 and our finding showed dlat : shekar.. Tighal cocoon are a kind Dianna that was family polysaccharides. 1111s numna that excretes by salivary glands a larvae special Insect (Larinus : coleoptera) on Echinops paAhtiaricus and E ritrdes ,from composite family. In generally one specie and one subspecies larinus collected that are: L onopordie and L o.nUJcullItus. They inunediately after eegs hatching excrete this m8lU1a in junction stem to leaf on plant. The manna is very to become hard and dry this cocoon are protective role for larvae and insect pupae. The plant Is htdigenous to Irall and grows wild hi tbe zagros and alOOrs region. Otemical composition of the DWUla consist a few polysaccharides and starch. . 1b1s m8JU1a is one of the rldlest source of trihaJse. key 'Words: Ecbinops , Larlnus , DW1I1a , sheDl"- Tigabl , Lorestan.