CALIFORNIAN

Press, Volume LXXXII, Issue 24986, 21 September 1946, Page 2

CALIFORNIAN

PERMANENT CONTROL H I APHIS UNLIKKLT i He did not think that that W| ■ be any value from the aphis (oKb phorus braggii) as a permanent caatrS a of the Californian thistle, wot, IhS! acting-director and chief entMMgffH of the Cawthron Institute. Nelma H B David Miller) in reply to a IrttebZß the South Canterbury Exeeuthoeil Federated Farmers about the tacking the thistle in Tasmania. EB Miller's letter was read at the lu£B ly meeting of the executive Nml In New Zealand..said Mr Mfllera■ aphis was sometimes epidemic wmß the thistle, and certainly did draatta B the plant for the time being, bin IS K attack was not constant enough TM B of any use as a general means of U trol. -He added that he was MwE B ing what the position was In Tasnsisls ■ Advice was received from the "KB partment of Agriculture that tbs adbi B referred to became very abundaateff. B Ing the late summer and autumn, sta E It frequently attacked the CidiMaß thistle in large numbers, and no ffiS ■ Caused a good deal of damage to Ha B plant. That aphid had been Hmtß in New Zealand tor many yean, aMK occasionally reports were received <( as the thistle being destroyed Sy It fie g department said. ,