DISTRIBUTION OF NITROGEN IN THE LEAVES OF CERTAIN SPECIES OF THE ROSACEAE Thesis Icr the Degree of M. S. MICHIGAN STATE COLLEGE john HI Davidson I940 j w ‘1'" «~31 1r "‘1; Arr-‘1'? '9 L_.LJ--. -. L T. ' k'_.’ - I -1»! 7.7.3; I ”7“?)‘31 ‘. 1‘! (N j""" ”"T“,(_'V ‘ '. L' a ‘ v.11.....; . O-.._12 (\Tfi rv'r': 44‘) 7'; L .J PVfi'TTP mvvv mft‘*wwvwww l ...J\J..° .L. \';\ ‘— v.1 .gj.‘1x 73.”; I14.) (—1 r ‘ 1‘ r""‘" ‘u n ’f\y- -v- -v—~ \J. AL -_J -, _._. IJ\;.JA ;J 7,4 'V\ ,1"f~‘f‘or\‘7 L. : LAm/JMJJK“ F1- pr- T ‘*A-tr[fi(w -. 1.4 ...‘J~.) f‘f\CT‘,f1*‘ «11 - \‘~ “)‘1./.‘.JJ~L~J _. 71 1 fl . C B. .7“. II 7-‘ ““TRY Mfr-T. TMQOMF D252 7'1 “’173T“‘Trfi13“‘T (WO‘ ”’T’1 -“/"”T T" Tfi’”‘ T’“F‘r"? cfi‘ J) [AL-L ,~ ‘ l J— _ I" \ ‘ML. -_.-—c-.'"s".1_‘4 _~ _.'_- '1 .‘gJI’Xv‘A-J \’..H fi"“\“,f’j I j ‘ J' (\““,‘ MA "F " ,4'A /\;~.'. "1"‘: '~ 1(-. ‘ ‘fi‘ ‘ I —.-1 ‘u.u-~a ...'L.L . u; -..- 1.1-14 k . d4 -.K,.'u.).& 1-4-” 73‘. "'v‘ [I "1‘°W1rj‘ ‘1‘ _,‘-.U 4.1- Sacfiittcd to LAB Graduste School of Tichixfin State Colleie of AgriCJltlrc find Agpliei Science in partial filfiltcnt of the ‘ 6 es of IGQJiTETentS ior t1; "('.‘(“"'1‘n‘|“; "'II r‘f‘iI""“’1"_—x J Q‘LQ _.'~.‘L . CJJ .. Departfient of Chefiistry 1940 \uvfi- r1 - l . IL 1163. V 7“ 3" .F u . " 7T0 \_r x I TL‘TE‘ROIJ’TC T I (‘1’ “ r- . 7’ ,. ‘r‘ A f organism Victucr gl For the proper functioning of an (“f {—7 (D plant or sninsl the hemicsl and ohysical conditio: of protoplesm mast be nain+ained tithin certain definite limits. Violation of these n tarelly prescribed conditions may resilt in temporary inactivity or deetn of the orgznism. The vork of Addons (1), Robbins (46, 47), and Veilbrinn (fie) ‘ ‘ to ([1 inficet G) ingortrnce of this fact in their investiqstions on protoplosn and afients exhibiting a tox1c action thereon. When we realize that proteins ere s nrjor cortion of all living protoglesn find are believed by some investigators to constitite the grenter pert oi enzynes end by others to be closely associated with enzynes it is Qlite spgsrent any protein stidies m3cupy such an inoortant position in pre- sent dsy biological resetrch. Siccessfil epolicatiqn of anesthetics, disinfectan s, finsicides and insecticifles may quite lrrrely he attribited to their action on these two vitsl liie systems---proto- ‘ 1 plnsm eno enzymes. Etncroft one Ricfiter (5) studying the "I effects of narcotics ugon celldlsr colloidal systews have scorn that anesthesia is s reversible coaguletion while disinfection is an irreversiole coegllstion o: the colloid- f-s .- al systen titdin the cell. Also, qcncroit and nitzle (4) studyino the proteins in toe sensitive plent, *inoss plaice, in relation to anesthesie found that some of the proteins (fl 1.. ’J 2‘ srf‘ -l \1 -1. H‘ \JJ‘ 10“ J. u ms 11" 7) .1 l - ’s/ . awn» Cx 300 o .1 .._. S 4 C ',. 144'!- U4- "e: .L “‘\ i_ \4 " ‘1 I .' ~ O r-\ ..z . N. _ a. n ma; « I .l a. ,v . . 1o 1.. n b; . x .. . . g Q J m; .p 1 . \- .0 a w , ”IN. A ,A M x. . m . .V .._ on C, ,5.“ 1A .— “J c _ . i. ... _ A c v , u A.; 11.. lo 3 . . L .. m. ._ L 6 m. _ a \n. r. '1‘ .. .- “) .. 1.1 ‘I. . . ‘1 study of oroteins enu toeir oroocrties is essential for e _ -‘ J. better inderstendine of liie and desti. with txie thougdt 1 in mine a sticy oi the grotcine in Eontmorency cherry leaves (Prinus cerssus) spreied with Seve ml of the connon fun;101des was the notivctin; des re oeoine tiis investiga- tion. The scarcity of investigationel vork on proteins in *4 7 0 AA 0 y I) the leaves of our comnon fruit trees end tie 9.. vorxsble method for their isolation nreventeo sccoeplishnent tilt of tie oesireo re (I? 4.-., .1 h ;.. 3‘ - .C‘ ,- ,i ,- . Inst: 0, a going Or an exolorator¢ H) J) netire res undertaken in tie hope thet by studying the nitrogen d stribution in the cherry leaves by e method similar to thet folloved by Osborne, Hekemnn, anc Leaven- worth (43) some heloful information nigit he crined. The resilts onteined fortiiied by a review of l on the subject of nitrojen ;istributicn in leaves of nor- mal and ebnornel glonts, pertiCilerly those of the Rosrceoe finily should aid in 8 better interpretstion of iuture reserrcn on tiis problem. TEISTORICAL Tne historicsl development of ”ltrOTBHOHS frecti ns found in leaves nsy best be folloved in tvo sections. (1) A chronological developnent of the contrih tions oi tie more important investijstors followed by (2) the develop- ment of the netnods employed diring their investigations. lnesnucn es proteins are nore concentrated in seeds of plents most 01 tne early torn on tiis surject has been linited to seed proteins. I. Investiqstors And Their Contributions. Roulle (49) in 1775 announced thst the relatinOJS metter, protein, which up to thet tine vas knoun to exist only in the seeds of vheat, sss slso present in other osrts of various plents. Leter he isolated a proteinsceous prodict from the juice of nenlock. In 1729 Foxrcroy (93) \ gave an extensive account of he oecurence of coesulsble protein in the juice of vsrious parts oi many plsnts, and described tne net*oc bv riicn he ohteined HTGQ‘TTtiOHS A. of that he supposed to he pure olent elbunin. After 1805 no more attention was osid to proteins of A green plants due to Einnof's (20) investisrti ns of the seeds of cereals. The relstive ease ritn edict grotcins could he obtsined iron seeds enphssized the difficulties 4“ 0i their extrpction from ereen plants vitn the result tn:t over 8 century classed tefore furthe work on leaf proteins ~—‘ 3". .n. ~l -. '1 ., .1 .11." 17 "‘10 . 9 s l «.12:- 1 l C a A 108 Oi ’1 ‘ ; nti 1% -4 N- \l I‘Ei")l"€8 LJo-b .. ..7 ,.. \‘1':.\ 61.... b C 011’; a . 1 e. 1 J 1. .. .r. 9,. .T3 3...“ .3 lb 4 ._ ..1. e .l C t 3 8 MA ..|._ 111- .‘m. Liv W11 1+4 .11. ‘1... .«L .,. r . . .3 o r ... . i .11. . .. m. n C 1.13 T . 3 a. .u m. e 1. .0 l. m. as O n ..|N n1. .. _ a.» 3.. . .l .r ., .l a”: n . 31* \11/ 1.. 1+ v .r. .1. ,1 f... «1.. . o Rm .8 1L .1 M; b l u. g. .5 n” it n s E n .2 7. 1\ vi .5 is .mn ., no .1l re mm as .+. .+o 5., ..r .l e C .1 ... 1. C m» n. x... .. C .2 lb. .8. r .1. C B .. u 6 6 r r o e an i o .. no .1 +14 «A r, "1 1.1V We L 4&1 «1L 1.1a .1. A14 5 . mu .. . - ..1. 1* mi my .5 .a . Lu 5. my. Lu .1... A... r m1. L v 1..- H. V 1.. C 3 1L \ _ I n. 1. .( .3 ..L we . 131.. i 1 e .3 .l r... O _..._ p in. .i o J h n l 3 .. 1. ,1: _.. .5 O on, P. 1L .3 .... . .l m... me no no e mi 1 no r ... it «i 1. 1. w. c a- C m. e +u ( ._ l i .y .1 s- O . .. e .1 ..1. e I v . n. 4 C n ..o. i m .. f. C .l C O mi ” . L. e .. A: .. n a-“ +t ._ a 3v 1. on . no .1. . c om .1i nu H. I i J t F . C l . .c . . l . C a, A . _. ., Lu 1 C Lb S G S .. ..C a. v P... C. .14. 1a. . l ..1. r. r a... E. .r... m.” .0. c.“ l J p, .1- .fi. C 3 .1... 1C , n.1,“ M, , D .l p. l .l .l i .r... ..r r .. e n . . .. i m. i o n t r f e be .m” 11. r ”W w.” .1i i.“ ”a. .1i p. m. n» . LL 1 . ha 71. 11. Q C .. 3 ..Tu .1 l ..C .1 o“ 5.. .r o q. . \L ..1 . k M. 3 Cu . .l \1/ wrv w .v e S C - ..1 - 1.14 1- .. . .11. , . 3 1nd 0 .1; t .1. . e e r . ..o 1.1. i J v .. o ... ,3 t r e m._ r . S L. 1. u . G .. . r P, d. 7.. f x .7: «a... .r , 1E . 1... .l e .1. +u r +4 ,3 _ u a. m. t. .1. ..1 F 1* W. ..2‘ m3 8 V. l. r 0 1L. MJ r , a) Luv 6 no _ .. n .w .. :(... ..1, .1 p . "1 11. C LIV .1; ..r.. O . ._ e E .1 .c t .l 1; .0. l 1U. l p ll .2 ll it r. .Q a. 1? r. 3 so I v. c a. :o n .l c. .t .1 n. T .- 9 it .. .1 :i a: 1i Me «o no no .. cs it v. c_ it 0.1,. .. .. LU r: .1; ..| 01. . . .rfi 1T). 1 .J 1A I .1 W11. Wu 2 M. 1. O +t q, vi . v“ n v M» o C be t C nd r 5 as 1 no G C T M, v .1. .1l no a. v. ..i we .r. wJ. mm o. no .so 1o A v. r. ..1. o n 6 .1 -.E H e .,.1,. o ..1 . I .1. n. its i19 ..1“ 1. ... 11.1 qi m M . nu ..w so H-. rt u-. 11* .l “.1. .C m... 3 +1V n ., O 3 l C .l -7; .,.-._ an AC “V. :1— «J. S .l (\ C r ..1_ cw 51+ «Hi. . 1+ ..1 S n- o . .. .1 ..... .1 O 1 .l r C 6 . 1.. .. .fl. c... t O p . .l O s... .1 a... as m. as r“ n“ so me me +t ..i nu v, mu no .rn u... 1... 3 z. i i . .. t a. r e 1 .11. o r. r e O .3 C D c p _. t e l q. I .l C 3 e .1 nu .al .i r. r. no mu .+t an an Lo ..u .1i r: mA 8 S a... .0. J. o ..L w... P C t e .3 .3; t .h .l l p: C so .1 4i 0 7. pc 3 v- 9 C a. O n. V .c K an I fin n .. _B %. it n. wh no .r +U m \1 r~ 1,~‘~-. ‘ 4. .. J3 v ‘fia‘ _‘ V q r ,. 1.- r. N) J.‘ (. g r in .5 c lav "\ .n , A 00 L 1 .1..-“ 5’ . .. . (1r .- 11 1-1 t --- P ‘ r. J W'| 0' .1 ‘ C§ 'jdr’;"— \4’ \1. L; 54.- ‘. “" IN (f . -.J n. ”(j .- _ 7 "‘ rwz~ ‘ ‘1‘3" . 0‘, -.P ,- -v r‘ . ,1 , .1; 111 .,i J- C {A wr-‘L fi‘I.‘ \l/'~ Ui- fl 1 r 1 “TO .. .' 0.x. ‘J {/(J ‘/1 ‘v . '. i o 1 .fi .«g A‘ \J v - ‘ ' - _. \J fijfifi \ . ’T'f L‘- v q i \ . 451‘” -r x .L ., “Lal- r~s quQ‘dtC‘ .‘v' L '. \T“ \ , . ( I'I 0 n recornizet, 19 cit lncd. Upon elthcr liltrftion or centri- " .,.... 4“: ‘WYI '7 ""1 = 'r‘i ”2" r? (-04. ‘ 1 .-.Q“p «1-H?» Man/7 "1‘ a " ..‘r 1 I ‘4L‘T. U& .1 - L. .L J. 411»; C‘- .'.l\--'_ r -1 -. .LC’- 3.6 I: V.‘ \4 L,’ _" U'. I.C) -' . .7.“_J .1 Tr'AUI - . 4 .~ C}- (I) I (J "D (D e, ‘ - O 1,. n .L,’.fl;‘1 - .-4 _... -2", 1“. _,‘ ;* 4- ..,., “.7‘- CO‘IU: .1 ..LL. 0611 03196.21 ‘ .».ll\;’ *3 a, 4 CST-1-0.3.; ‘ , Cell) '_"_q ..4' r\r- '1‘ _r‘o ' vr ‘- ‘A -- I -- 4- r ' .v ‘V cell nleS. Ac lc—Fu lort; per C€1t 0; t.e cotfl SJlQfiCJ . -J- - ‘-— ., «my - 2.- “v 7‘, .. ,..°,‘, 3: q l.“ f:- °‘.. , alcro PG “uIOl a LO t e collolc~l yrofiela UlgpfilSdb lm £79 N ' ,2 1m... . .' ‘ .‘ .L 4.x - . 3L - .. - .. ‘ .,‘,..4., ..‘ Illlu; C<_-Jst 318 tilrfil p) Q” fy~:1lcruicro_9 s uk,c ;cee A 'I . .‘ - . ‘J. . . f . . _ ‘ -- . .V :'- 4.1- « S¢llCle lu VTufi: 910 e COUQ'F-tl"€l; Shell Dirt ol ;JC 1. .- ~ . ‘ 1,. , V. A .‘ u ‘. , . .-, .-~. , ‘ ' ' 1 Otucr ioxrtu 2ulolieu t3 c.10roal;ll zed ,noeaxetlcee. ‘. '1 1 ’7‘ ‘. . ' An r' 5—" m ‘ ’Jilanell r‘u-.Jc‘ry'<3“ 1n 1 VJ. (lo) xln_;1nl.x lts \ 1 w 0"- ~ w. r- r J - rx L r: .r' A, 1u 4- 1 -- s fl ' -.\ r. I” ‘ I‘v- 1‘ - cccunhe lc wee r12.4.:‘cglecx c1- globle1 01 segcrrtlmg c_e cell 1,: 1 o. A ' I: '\ ‘.lt1 tle 51c 01 U 5 g f 0 H. Li (0 Ho . S ‘7 C? {J m. , J ' 1 C H- p—\ *4“ (D H (D (‘0' '1 L3 ..j (E “i . oi the colloid'l grotein toox glfce gt elevrtcc tewgerz- tlres. Tic cglloifirl preciplt'ter oNt";‘e( l1 til: 1:1.er detri“ el :r()rt tel mm: CGlt ?LEDYS"GY1‘ llle (TSWOIHC'Si‘gIS- Cigitate noted éUove contrlned fozrtcen ger cent. Oubcrne, E¢CCfi2n, sci Lcevenvcrth first varied on spilech lcvv=u Bcc use Di tTe esee in vhicd the nitrogen J r— - Q V" \‘4 --— r‘» J- 1 ,w 1'1 ‘n t -\ ‘ ‘ 1 (h -—- r ‘: 4"." :1 '0'.” ,L ‘3 1 LrthlQQS vb e egtr(ccea {nu tgeil nnlflc Ace ln cue \l.e1 . s - - _ . M 7-,. ‘- 4': 4.2 _.- -. 1- 1-{2-‘1-0, r» SOlJOLb gortloA. #«ter (20) cxelr KUT; on ell ll; la fee _ f... \ 4‘. i- '- ’1 (T) :3 O .J (D vltion o; n \.A.. - .4. - ,. l- -, w 4, .-* .94. . 4.7. fireen fll€ll‘ alsace 3 re SJCCGSElV: v EXDICthL ilu- never a 1 .. .L,‘ . . 1f. ‘ '..‘. t, ‘: 4.” 7‘.‘1' H zlcoaol, (”1.1w: scleoes 7li?ll, rev .‘t. Clllct clx'Llnc ‘ u "1 L L. -. . w , “a 4» L , E 01:01. alrl n u30¢e3 1?; “Tu cc an 'w rllc1:c lorulaq :‘ - 1 .' ,3' 1 q , ol e£c1 extrect, a“ lhulc'1;x relov. Soluble 1n meter 43.85 93} alcohol 3.0% 0.3? alcoholic VaOH 39.33 0.3} cqaeo1s H203 7.03 Extracted residue 5.3j As fleet active groteine were elite solahle in QQlBOlS 3 :li tPe lOV'fifure in this ecee ind ceted that fiost of H 1 .. EJ..i\ (\ the wettbolicrlly ective protein was isoltted tith the ‘- r‘ r‘ . 'I‘ ‘ Y"» A‘ '1‘ w A . . .5 -»-r\ _(\ w. \ ~ reter tre tnelt. u.»a tLe 001101o 1 co tents ol tle eque- ous extr”ct were DTSClgitTtei hf rlcohol the chief con- ' -.. .,-J .,. ,. "- , _,:3 an“ .:. , - ,. ' . .‘ ‘ ,. stltleuos Vere lOlNu to De grotern la conoln.tlon Vltl a V‘ . 1 fifir , Q I‘“ ‘ ‘r‘ '0’“ 1-3“ . ~~ ~\"— ~l“~ [a L ”‘3 «A‘ i. ‘L“‘ f ‘4 flrfia‘ CC)..S.L(..:l; "4.3 6701:11} OJ- ColCl‘l‘. .--~ 109;”13‘JL‘ 9.1L: (3e li‘JJ. 01.3“Yl- q hottling in leaves nede sooe interestin: oos;rvetione. Ye conclldei tfift ineewuca es toe chloroolret res ore birtholece of or w .L protein rere O ( 1" O i... .5 I) V C) O r' O H U H ..J ; “ (D L ' l) 5.) ,f‘ intiwstely rel ted. "2e fifnres melov on Coleus leévee suhetentizte tzie etetefiedt. Grefis 7 oer 100 3%. dry veiqht Green leaf 3.55 Tottled Reef A 1.39 Tottled Leaf ? 1.14 Results of nitrofien anelysee on letvee in diflerent -. N -' '9- ‘L‘ . ‘ a4 ' a 7 . '— J- .-- f-‘ J.- t.._eé‘. oi '3,tbll’TJ lflfilih.bsu b . C ("-5.1 st U ._) a c i" "3 ’3 L.» O 3 IL I O .5“. a.) "-1; .‘7 3 nucleoproteine, glycogrotcide, pnoe>fiooroteins, alhawins, K.) .42, ‘- , . :,;w. --t {naugflorrrl1n£:1.er’ IT 3;.l,'. UL: ‘ "3 ) Q P :2) (-4- O 1-H w “5 H q (1‘ c. H O C (‘1 k. .:) . H. .:J. O 7 O .._l I) H I 3 O of H O l4 r.) O O D ’0 rt- ‘1 :3) rt 0 L .n L L \"i C. ; .J f. O , a (E‘ : M. 1 -f', é,,_.:.~- . ~. . -- ‘.... ultro en welore ue,od exszec. ufl?l¢2lml .:i' "I ,. «A J‘ \ 4; ..-.,- °. .. 4 ol lelree lor, (l, nltro_en 11 or? are -. :.L \ <--" ~H . ‘ u -,- fl . r‘ —.'. : J‘ ‘ 4 ~r~ r, ' ~-‘ filer-916:1 1:1 lQlllg. I)... let‘: COIulu» ill»? - '1 J I \J 4 (D ' 4+. m . VGA-m: . 2 1n Ill LIL-3.1.: ul" .llollC -Clt; . : 4. ' _.. ‘ m 1.1.} 4-, 1. .' .:. ,_. .J..,_. J. l“€:u.lColJ:’l 1:1 953' ..=.)t.“l nlof'd- (ill C’Sfituilo _‘ 4. L1 . or . J- -.- _ A - fl n .-_ ‘ 1") VOL-1:1 “. .6.) \J ck:- 'r‘JFJL. \a‘ V'\:’" 0- ‘L\: 1?: ~ :0 .“ ' J. - o ~_ _ v12: o-u wouilet 1t ”'9 lctec te't tic J H 2‘ k.) (l \0 CI) }_1 (P H .1 ’ C‘- ,L) ‘ < 1 , x -1 U I.) *— p (0 'l H k..- \J.’ H‘ 7 ‘ , ,— ‘ J. ,‘l , .1-‘ / clev‘oge ired :78 no le ‘ ‘ TNDtb .n-. e 1",. l -' . p ‘ A L.“ . . -.V, , + —, .' . . :4- -4, “a“ ° .- ,: g A ,- ..r...:~. J. O 151v. 1-1 L. m: :L. .J gull 1’14. bl J l luv 4.1,: L. , - , . ~ ,‘ .v 1. -" . .. ‘. erotoln co 011.3 were rcgl l; Cele: ur' .. J— J- . ~A 1“ -- ; — M . . r. ‘ 4-7— — a. - ~ [I « . ..v r, mottllg_ grogreeueo t.e looriralc lorze . ‘ +_ ,‘ ' P ‘ .~ ' . ‘ Q- _- 1 .er: llret .3 .le goerr 33113.8 w ”.5 T‘ QTW“: ’. . ' (~4-* "-r r-or "N ‘\ \ .Ln L_ Ca- .L'x/ ' DJ. 3-5.4\ L.) 4' .1. ‘ {-l‘t/ ..LJ (D (D (I) "J J- -‘ |= W _‘ - '. ',-‘_ . -‘ .—> I" . - 7 -:' “a . ‘ J“ ' I - x ': " . » ‘ ‘- ‘ b;u ETCuQLN filtru an. Q. i. SlluC Ol TVgih grotglp LE- . 1-— -rx . ~4‘ '. rt- ,L ~-". *' 9"“ fl»- . ~ n r- . grit tion rt fil: u ..e;: .:8 ver. little e;nn”e in 40st " -‘ -. +‘J- .1. .1‘ 4.‘ - , w . - J..- ‘. OI lie CWISVIVAJWF‘ Oi o :, ”."t~:‘ 331.1119 (1.. “.v—m. 4. rm ' VJ. :5 . -w. “-1.— ' . n - _ .' . -..- ‘ - _ lure yzs an QCClgllublOfl oi ”u 1~r nitro-wn lete +2 ~ ~ . - . a- .. ‘ 1 - - t.e ere 1 93.0.,, lo .t1-|1 r t“e L807“.\:l5171 of k) 0 (+ 0‘ H l I) F1 )J e ,— C; , I (I) H J \l I ,_ F. \J .J a ( ‘ ,_) L. ‘s W l 1 s .1 r.) |>-" \ . ~ ~ 1- ‘ w : ’- g‘ a .. —. w, . 4‘ i increcse lfl non—grate!“ iitro e“ v in c corrueno Ll ‘ I J- ‘ - ’ - QGCICFSB in V1; ‘r t_1n nitro“, . ‘ree no oei' $79 ole '.»\ q T ‘ “I “ 5 "i qr ': I: 4" J' ' 1 ’ “ . lioexcts 0i yiotein ligetion, noxevei, it -- RV. ~ .- 1‘1. —. ‘ 1-, («dL . <, - ‘ (.1 q. ’- ‘-- c»... - :1 .. res to 10 to Olnhbh e0 tngt 1t nee grooloig renoven iv .1 aspereeine which even in high concentra- SD tions was innocuous to plants. In norne- plants asper gine did not eccunulet which indicated that it might be q used as a trenslocetory suhstence. Chibnell also noticed an inter sting difference between the leaf rO‘ein meta- (J. P bolism in normfil end etnormel rinner Jean plents, the abnornelity being drOieht. The leaves from p rnts affected by drougit when detached and xleced in meter eaoxsd considerehle increase in non-protein nitrofen, O'er fiftv per cent of the increas beinr die to afiide 3 .L‘-‘,- r'. . -L . .' r4.-.” , .3 -> - .1. -,.,: '.,. , ‘3 .,.., .L'DJJ'IU. u.u‘ J fll..i‘f‘--, L-Ccr 0031;.-. 7,8 QELGClfim l L 1.. 3?; .-.1,---... J,‘ 4 -‘...J— i..- ' ' * ° ' ' COdfilc : filtflbtt solltion. Yllefl J‘"“-"""’.--.'~'.‘L‘.’ LQlT? ’77 no“ . ..l A ‘ : w..- .,- .7. - ~ - - t,e ileite a?» ceneivegslie nitrite end in ert in re— ' .. . J- . -’ . 4 . ..fi‘ . "‘ ' ‘ alone a trace oi fmwonie. Aiter :ortv-eiodt h Hr? tiere . , .. . ., w, ,. . r .V (.1 1 . : - .2 T .~ ' mes note ” Jni rod lees nitrites miti an occeeionel Prvetr].fiy ficwrr'tw.-o nnw~~-w- v. m + ..u L - ~v .1 U - (— ' Jt \lt.’ \) ._ -\l l ‘. 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I - ‘7‘ . \f— t 1 IJ :1 ‘J 'L t -L ‘ I-r .‘1 J- r31 .— v \v‘ ‘. l J- L] K . \J :‘ \J V ' .1. L k :»J ( I‘ v) I.) -} 37 '. f . J. Ir . A. , .'~ 3 .I ’..1 II, Y“N* glrrwtci fxv«icvclxxg snwmarfetFLXE of zumjlywis=141ich \OAlfi five re;rnilciblfl reelits (3‘ "1CD Perve ;~ r "~:"oo of 1‘Flc'ti1" t‘c nitrafie“ di¢+r1E)tlon in t‘e lGrWHK. Prrt I A. Dgucriptifi‘ r“d frerervstiou 31 #65: SSlea?. le'f snfiples vase obt':n€d fr07 tve ve yefr Old Tont- ~, w ‘_ « ~ ~ o ~ i v . ~' u'. Wu, ’ moreivy Clc:rg tr 5% at JgdtT ‘PVGQ, thJJChq. _'c traps '- . rr‘ - ,- H - . J— r q . x- I" . -..~ 2 ‘fi ~ ‘-~ -‘ . v f- 4' ' ‘ “. "‘ ‘ "‘ ‘u ' ‘ . ‘ ‘ yere o; 10rciibs vqur ?.x; 'inrcCelWOx u c it 47“r nglfim 0‘ .. ‘. ,.‘ ‘ . -‘ x“ n_ ., - , .1 '9 ‘ .1-“ ° 1l‘ ,, qua n 1 .-4“ V .. 9H41;0Atldl Oi cWTOn;lfi SlLLS C 1n Of. ‘15 Len; 95.jlt5 "- I 'fl'lr‘ ' 1 . w- n‘ I \ \ — v. < r 1 «- tare .: 1crer 111 ,xl~ (1‘ 65113'4K1\1€t *rdfl“'~~ Gilleflt Fl .- a . N ‘- r' o . ”I.“ c ‘.‘ o 1.. ’3 I ..L - V ‘ “ J. 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I Jul <| 7 A - . ’ ‘ ‘fi ‘ f‘ n '1 /’-;r 1}, LL‘ ~17 11.1.1": .5 l -.L‘lr r) [‘5' L. d “,//U U ()1 O) ‘ (N p a L-i '— (7.) 0 :3 H. p *‘S {Q 2 f‘J o ,5 \7 \ k—J ‘\ C») \1 \2 S “U 0) LI) .1 D ') ;._. r. .J L 4: j J I) .4 1 H 0 (J1 \Q) ‘\ (A \ 5 9, 10 37 watt: le Fulf1r 17 lbs. 4 7/1/37 11. 17 37 WettrV1c smliur 17 1%2. 5 2/3/37 3, 14 31 nettrhie swlfgr 17 lbs. 4 7/1/37 , 15 61 zettzale 511:7: 1° .13. 5 8/5/57 17, 18 23 i3?fi€?1f 4-5-100 5 7/1/57 3, 23 75 Forgzsux _4-5-130 4 3/3/37 Li?“ sglitr solitian of 370 Tnuwe 793 the COW“OW .... 1.- .- .. 7' .. ., .3. .L,._ _ - -r a, ‘. ,. A A ' cow are; 1 gruLlCt {a approxiflfi.: an+l SLN «.1n3, le-lu, U) ’1 C lciafl pQLyS1lfide; ljfifli'tifn l» CFlcilfl ghiosxlffte. It 's stronrly alkaline 7hen rppliefi to foli' O L l 1 F4- 9. "‘3 cf- H. 3 ED *‘5 (D U) F.- (\ ;._. (D O ,3 } 'D (‘4.- H- O J H (D +"\ *4 (.4 ‘ 0 P4; (D l J (7 " . (D -J C" :1 n H H < r0 #4 >4 L) . -‘ Q !‘.\ L) p L4 a H U) r...) (D }4 c+ . ' .J : ) IE‘ Fl \‘ L f- \D 0 Fl (—L- ,. J (D 0 L. _J ’4“ 1 M F'] (+- (D H c+ l' )‘ 1* ’° [’1 ’_l "1 '1 O O . , u w C) ‘U “ (:I H I (W I ~ ‘ r W J. o - o o O a 811;.u? JloLLce cm? Jel.'thlflllc rcux3"71le 1.7CV1V1 fi;“‘ ., \ I CTrivc *-1c vm’pp' * 1~Jm «w ~4~« A.u J U _. v I; 4‘ U3 ‘1..." . .; W (31.1 S l]-.;...‘t‘l;. r737- .1. , 7 fix , _ _.e Ebb )1v*9 Lu tr zq 2 ~r07r19t21“' fro.;ct contg i'u in: 953 sulfir 31d 5; vet in? :7e7t. t‘ neitrfl or 311*1tlv fCiC 'Hefi :351ie. t3 tfie tre ugon Continlcd exp3eire t3 tK. eir 13113 reexlt d1cts Ti iiKJ‘IA) t1e 31111r resi3wmazfir31 liwe 3' solation. The tu'rf 1'teri l Y'r 2 cogger ‘otdeelr wont inifif :01? gvgnde Poi er Vllf’fie 3“” fix 33 ’11'dr'ited 11'1e 1 311‘--1111Li“36 ""113 of meta)“. reexltiif “7311179 033 :“ Hycr3: :11e is 01 Waie: ?l**‘initf 1W:1 fpgliei on tHe IQli“fe, bit we't or glfflt secreti3fis somerfl't filter its coegouiti <37131 j, Lhcer 061““"LV1 03 i'tinfis, 8&"3Te injiry f311"@. fi. Anflytie't Teth3ffi '13 3331138 319110 2; tvd :r‘“ r'xplee 01 t? "@316 15 leed f3r ”313t11e Ceti”5iifiiflio on e301 1 "916. lezves “ere gl:-efl in 1r*“c 11“in1‘ ve'fbi*: 9: left lfl a rfc113 oven 7t @307. until CO"C*FRt 7e 01ft iinei. :ln;‘‘f;“31' B££x1 C sprzg' t e'fywent,"311\ 3r'1~%573 ”x: 1:5‘ce: ‘;"fie et3re‘e geri3d. Yen lerve: 73"H it 1"et“r-.-e:’1 t re; 33% five vere leei fyr t“e 51:0 t: gotrl nitrnéjn deter tiOfiS. 163F‘CEd tests vitV di3571f1"1ihe rc'"ar 3y “srvey (if) frile to infliC'te tie ireeeflce 3 tea or nitrites in t leaves. ‘He modified x3 Gunning ( 2) meth3u v33, thcr3f01e , ed for i * J J. J. (1’) U '\ .. ,_ Q‘ 3‘ v- “‘31 : L. L .5 t.“ .5 -l-v- .- . J. J. C .~’ L J ‘ L A 1.1:: L, 1 13-— ;"“T"' ‘1 Q . A ' .\.. .. -: m r_ _ .5.A V, + r r~ 'u r. .3 4“ the total nitrogen in the leaf tissle. The soluble nitrogen frictions vere oht'ined by mincing the 25 g. ssmple of leaves with sdears followed by grinding with nitrogen free quartz sand in a mortsr and pestel. Water woe added until a mess of pasty con- sistency was obtained. Grinding was then continued until examination revealed no large lesf segments. Fore water was then added in an attenpt to aid the separation of the fluid from the residie by vacuum filtration. Paper gulp on a large Euchner funnel was used as the filtering mediim. This filtering process mes very slow due to the viscous nature of the extract. Five or six hours vere reeiired to obtain 500 ml. of 3 clear brovn filtrate. Piltrntes vere obtained by tfiis netfiod usicj vster, ether-meter and trichlorecetie scifi es tie ex- trecting median. TGTtR for protein orecioitction such J. J. g es, heat coejilrtion, sdeition of colloiorl ferric hyfirox- ide, ideition of elcohol, :nb rddition of aflnoniii s11- _. 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