CONTENTS 
PAGE 
Laaadineiony “ig 6 seeila » BCR Bok ef 
I. A foot-rot of wheat and its causal fungus: 
So LOS ee ce MMM te fy yl ie eh te a ee oe 
Fungi present . . . RE te cri he eae a ay Ce HO 
Growth of the causal fencer ah on various meat = CBO ee es rs ee ae) 
Various agarsas media. . . PEE iy Wo Ry SNe eo OO 
Summary concerning growth on agars . . 5 RB) 
Rice and similar substances as media, with ecu mere of Pee Ber emer! 86 
Summary concerning growth on rice and similar substances . . . . . 88 
Miscellaneous vegetable media he ee Tena gel ee at er ibo 
Summary concerning the foregoing Reeeeable ea. eS ag tate nn OU 
Cereal shoots grown from aseptic seeds as media . . . . . . . . 90 
Environmental factors which induce variation. . . . . . . . . . 9/1 
Wvantinvrolnuttiimentueey Mem See eet ON cay ss 2 fe Om «OL 
ALDI LObye Ue CesmatL- weer) Mesto Meneses) fee cel ayes eae, ee 98 
UmnCKoyOtmmediqnt tear asrmen Meer sc si Fk eee 3) OS 
EN UNTALCCy a OL cae eT Re ie Wer ees oe OF 
MenineratuLnenclablOolsmer Meters Sea Gh «bays as ee ye 98 
ILHSIMES Go Se oh an RN Oat ee MOT ce ee 
Carbohydrates . . Wee era LOO 
Nutrients as affecting conidial eae Peed ead Sines an LOL 
Summary concerning environmental factors which induce variation . . . 102 
Morphology of the foot-rot fungus’ 4°.) . =e: . «© «+ « «. = « 103 
Mycelium seg Ae | on ae Poe - hee, 105 
Senescence Aeneas of: pene fuadtine ree ge be te we i nS LOT 
Conidiophores ear ee me bee ee re BG OD 
Gonder Eee Caer ws co hace Sah Ciba eval es «110 
Etiology of foot-rot: 
Evidences of etiological relation of H. No. 1 Re er els es oe 
Constant presence ofthe pathogene =. . . «'. . . °. . . » 124 
Absencelofiother constantwparasites. 2+. 2). . . « . . = » M24 
Identity of pathogene proved by-culture . . . .. .. . . . 124 
Evidence of infectiousness . . Sy ee Rei PB Ne ee ray Co bed 
Conidia produced in moist- ptember eulpiiee Ape) da re ON ee etl 25 
Pid eaCeMromuncaculatOnu Gees ea ts ss) fs sf se. es 125 
RECOMEnV AO MOLE AMICI er wp eMEC Me a ee Mays ot 4 ove 28 
Infection phenomena on wheat... A ee seas! ee wee, 
Susceptibility of various hosts to ifectian Vee es Rear Ln yo e tLOs 
Summary concerning etiology of foot-rot ae ty Ba the a LOD, 
