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itself. At the pMwat aM> * frtmfo i n ffjn trrfnr. free from a 



nsssber of diseases which, growers eteewhere have to contend with. How long we 



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 raOrtfmt to keep a cwMinnmni oversight of each a huge area. In the case of leaves 

 or leafy twigs, lay thesi oat between pieces of m amper or blotting-paper, and dose 



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 vegetables 35alfl to be arobed ID transtdKOTM If 



a vmber are mat tosether, each sboolld be wrapped ia oiled paper or snular water- 

 proof material Put yovr name and address am the outside of the pacfcage and send 

 it to the Plant PatnologisL Ooort-howe, Taneovwte, together with a letter giving as 

 moefa iafiMHiiliiiimi about the extent of the disease, the plants affected, when first 

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ALFALFA. 



LEAP-SPOT IPsem&ofesism metioa&imie). 



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leaves, the upper corfiMn being mort affected. The spots aaay be BO numerous as 

 to involve nhnoct the entire leaf-MrCaee. Badly attacked leaves torn jeOow and fall 

 preButtarefy, so that the yield, when the crap hi eat for hay, may be ainrti red need. 

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OMOntL So itMirtarjr cam of control are known. When the iBdieatioa* are 

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 the crop is allowed to stand nmtfl the wnal orttiag-tie, it wonld be ndviaable t0 ent 

 than avoiding SHBC Joss. If the **rt *^^'^g is agfrt^i, but cot earl j, snb- 



Ctorer.*] 



DOWSTT Mnscw {PerouQffvr* 



A serious dtonct of alfalfa and related plants fat Europe, and also recorded from 



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 vpper sntface of the leaf, often involving the entire leaflet. The under-side of these 

 spots hi covered by a rosy growth of spore-tearing branches (conidSophures) of the 



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hertaa downy mildews are nsaall j associated with moist climat es. 



WILT on ScusoranoKE {StUerotuu* trifeUarmm). 



The fnsgns aittngfcg the itrmt\*t or near the level of the gransd, prodndng n local 

 rotting, fallowed by n wflthie of the parts above. If the base of snch a stem hi 

 fit will be fond covered with n white smldy growth, and, in tnis. 



incgolar fatimt*? of resting sijiililsoi Cclerottia). Tbene are white hen first form- 

 ins, bat black when mature. The diaense hi worst mder wet soil eondttJons, the 



plants often being killed vat to wet spots in the field. JCo satisfactory control 

 are known, bst heavy wet soDs shonld be avoided and 'rotation pratrrhffd 



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 Connd both at the Coast and in the Interior. 



Thni disease is ojaite dtstinct fraat the crown-gall fouad on rarioos kinds of 

 frnit-tnses and bnrinA, and is dse to a different type of paramttr So Car it hats not 

 been found in this Province, bat since it is a serious disease, and has been recorded 

 from a number of places in Oregon and QmHfmtm, it is advisable to give some 



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