Progress Report Series No. 78 Arl16 A gr ic ulItu ralI Experiment Sta tion [. V. Smith, Director AUBURN UNIVERSITY Sorghum Grass and Perennial Sweet Sorgrass for Alabama C. S. HOVELAND ao A As o,,oo T \ ( ) \V S()"(; I H 1 -. l(x11\s()\ I f )r ort ci )L Tt I lt( d a iil iii to I di iii . 'II i('x fplaiiit x I l( 4ixs, adli di. are ,,s Rod\l to I)(ccoiii a pixt ill ci iti- xated fields. Ii('si Its ofi t'sts wxith tbcxe,( 1i xxx ()\(,I fic )ixt ORIGIN AND DESCRIPTION I ilic Ai if$00glib iii(lOiii It is a 1 iat iid Ili\ 1)lid( 0111l11, xiiiAC~ ilrax \iii( ii iiit ki xiii it5 \i ars -(I'). It ha's gi ox illi \iixtrllia, \ c\\ z/cutLild iiillni States ill the i i I94(Yx. Ii c ilajioi cmiiiicia Aiistiroli~t dliii NXx~ /ieilmiil ii 1952. Figure Lornporson of Sorghum aimrum, let, wimth Johnson- grass, right, at Auburn on July 28 shows regrowth after cutting on June 18. Auburn, Alabama Si i 4 1 ilill 4 ix is a tall-r\ iiix ii pereil i re iach- jilolxi 4 asx ])[it h as tlicikci ,tci i aiid xx udcr thoc iliiii4i''s. Il icd are ',(((ll xld spredx ilioci di0 Ll- c( th ii ti iisxi of' jli i xii 4adx. I ix(\ (F, it is diifficuIt tio iitii 4u liih the xi((1 I lili Ioiiliioul xx siCi. TIl i zomclil iis iol riiotstoc~ks mlri thick, ixiii~l i I ilatM ( hii('i alild 4icitc thaii tImot (dli i xi 4x i- xxx (it xi (Liil PIii d iiju xx (t solii 4iilxx ( S0/4l-1Il Ii/lwnw'u , X S. xii(iliiixi is a Sx , ithitic tctiilpli (J tie Sol.- 4li ii x ics (i lopilld rcl caxii lix thi Texas x-icii i i li t~f mi in ici st~n 4rdx xxll ox li l- igure 2. Comrpoiison of Johnsongross, le.ft, with perennial sweet sorgross, right, at Auburn on July 28 shows rcgrowth after cutting on June 18. April 1960 1Im tlittI II cI It \\ ith citliiic iRti crosstt \X ih )hnllSl,lyrlass b\ \X ork( s A ( ol1ill t Ii\ (,].Sit\ ill 1 941. T]I is I I\X 1)i1( IX wits tillI \\itlI s\\ (itt So Iit I I lii lillier I lll1l 0111 (5 d-IS t liii (soll iit.s SI) tit(SI tXwo gratsses tian lht toxpet(tl to iiitlljlIss Iil I~lltiiiiliSXX(I(t S"il-lit~s is it tatI I4(i i Icill plitilt. 1reaehiig it a Iii"lit oI (6 to S hvlt, 2. I _ Ylwraiss, tlIiit -l siii;tllei] thltii thiose of 511141 Iliiil On1Iss. T]it( steii Is, like( s ( I i (L i I5 . 1 X itiv t in i joitc\ .Ilitel plit it ill plvodl ee Iii tin IX I h oi Stalks. PcricimialS ttsd m 1 (,iss, lus il\ l 411(dim statlks ill tihe "o 1 i "Il-itlt. 'I'lie scedl doi liit sI itt tti it eiliki is joll lso ii 1 15 stcd . S(((l 51ilam 1 sI iitpll-( Si hIrt to sXX teot midil(li 115. Ilie1 lo lo wXithi the e(id itself1 lluii 2 iiiiI"tlX tiit (( mt~siIliI RESULTS OF EXPERIMENTS I )iltt I ((iii -Ii 1)1)1l( 4 it S itt 11)111 110( ioll" illI WIiia esXXtabtishedIS XXt ese 111(2111 ,uits it)X ti lll flintl Swee(t slll41itssatB werc til i p(1i ill tI t hiil illit att lTallasset ait 1 At\nl 11 tlictrt \\its little, tilcr (l beletXX ((I the two I 'rritsowis Standits IIf both Iii'XX (yl:IitssXI SI (,\iX,. dc- pletet i -II the1 t il Xuir fiollo\XXill(' the firstlii et C it I-. ~ X~i prii5io \\t Imc 1)5 (2 P r,, " - " 1 1 11 V, II F-igure 3. Late growth of sorghum grass, left, is compared with Johnsongrass, right, at Tallassec, ,cptcmber 23. 1Wll XXk ( Ji lii ii to tI sc (d j(Ii nSoI 141 tss at Till I~S ( Iiti 1,1ii oi Jill itt ioll. Hwdt l ict (((I ill st~t lld 11:t I t posil I iis ts m-i c I \IIX e tli leasc cipi iti X e Silii tcr Iwii i *) r p XI Iit ii tor t96 ito ii(4 Iilt'~ 411(11 il SS, iii /l 41 II. T \ or t ((l clittlt 11(1 1111 It iii 4 vuit lw (J I t p 1 ,w oii t i is tikI 1( XX to IS SI( X i lt I Il(I o ll \ ( an lt ( (1' I iii. ll \\ill t * r ~iak 1 d.\ '1 .11 itI Al Ii ~ll i I ., I (5 l -1 12 .1- 1 (i:, 1 o5o1 5.9 1 ).52 N159 5.52 II,it l \\ ii plm c il 1)8 Svp i.B it iiI m.iI Tol. It 1111111 41rs i 1 ti X h I S (li~ ill I l\\ I lIt iiit prot-1 5. T I I ~ t il Ie Iito, ii[ IX i It i r \ I tIi I 11 ).\ t I I I hl ItII 57 I st -tl ill t al I t ( I ,ilo ]ii s 411 (XX drI I orX tit .\ 1 c 6 tol1 iti it l lc\tI (((ilc I11 lt I IS tilt i I i lit ii ti1,1 itl( hilt.id ,, )1 oI j1 ,