Show new hormone deec killer effective 2 4 D will not kill all troublesome wee e farm losses from weeds tac ac those from all other C causes V the development of 24 d and ganic add acid 24 he r ic acid by the USDA an and d th ohp X p york agricultural eap exp experiment ion farmers tar will be saved lions of dollars annu annually illy F working different duter from anoll moi he hc lacides 24 D seems to aff affect et j growth mcc mechanism hanim ot of th ahr nl 0 r a 1 aw ii kuczer responds to 24 D trea ment travels some dit dihl trice Lib I 1 plant to induce changes ran cat death recent experiments de tennin T that solutions containing c from 10 15 of 1 per cent were sufficient lelen kill dandelion common fr buckhorn chickweed and pe wort the cost has been reduced to sn sui C an extent that tor for from 1 4 to aj ai S is possible to clean up an acre land with some weeds like canal thistle 24 D has not proven eff efra tive live in killing the roots it has ha bi successful with U weed wild mustard wild radi r bull thistle chickweed S goldenrod burdock and many c 0 ii ers including such shrubs and vir vb as chokecherry wild honey suc wild grape locust virginia creep sumac and poison ivy X |