2(3 BTJIXBTES -"". U. 5. DEPABXMEKT >1 AGBXCTTLTU 



entrance intc the b rfcw Aftea infecti a has 1 ken place b 



this m onea the mycelium gi ws bo Lh heartw Befea sporo- 



phores are form Li is often impossible to locate the pre- n 

 the mycelium in the izee. This is j rid ul rry b ic f oi mi y . 

 fungus plants and the possibility that the beginnings >i 

 m hi 1 1 :. ... log, 1 Lh en Is : ... ^_ ri 



must ever "be present in the mind >f the per&toj II is impos- 

 sxcept by mere chance, 1 lei t the very first si _■ - in the 

 field. As soon as the fungus plan: the my tram fa - reached a 

 t\ ... stage I development represent isaH I Lter&ti ns : 



the w thei *isn - : toi " r! king :: As . rAe. :h 



part of the focus of infection shows the strongest evidence of 

 fungus growth :. ressed in what we call decay. Dec fed stabs 

 taable index asl [ecay in the tree iUhoughth i ses 



re, foi . . sons the ini tion d s not i ary 



slowly, result in more extend ~~ Daesberg 1 has ".the 



I Lion oi mi ■"■■'. b s by the pres mce lis 3 I bn d ;h -ribs. 

 Such lecayed bran':*, stabs may also : rresj ad tc th si _ : 

 level pmenl I the my hum ist I fore the i rm tion : - ro- 

 phores through the stul I kes p] In this seals 



branch stubs will be most valua" I ing heart rot in the bole. 



If y is i and it is : flowed throughout its enth :: nl I y 



splitting the! gs with w Ig - ad with the ax. 1 . ? id. this ft n 

 very tedious od time^onsuming work splitting with bl ;kpowd i 

 h s been tried, with rather uns tisd toryi salts In] i ly y I 



logs the splitting b rery irregular, and the w I sari 

 si inedand black . thest m generally interl ring with the insj - 

 tion of the wood. TVhen the full ext ml : th y is rmi 



d re taken on the ch n tea f the discoloration or de od d 



the staged levelopmenl ad th xtentis .: fully m sored. For 

 st idies I this kin I it will ften 1 saffi . nt tc note :!-; ::::.: in 

 length in linear feet, under the assam] a th i in low-priced spe i 3 

 any luml i th I might : : e sat & m d ffected] ri f the bole wiD 

 not pay for its & asportation to the mill. In highei _•- ide species 

 th - teral exl nl mi si Iw fs osi I i 



This complete and let 3 I lisse b a asa Qy iHows the tracing : 

 the le r 1 - me point : mtran wh th _ ore 3 - lightning 



d Is frost cracks, or branch st - The : suit is ent red at] 

 sheei Fin tty any notes not speci tty I i seen on the 

 entered under "Hem rks 



As _■ aeral principle Q bservations 1 a be express 



numerically must _. Q in figures. It is essenti I thai D - .- 



i Duesberx. Das Ausucben tod Sclrwamiiibauniea. in Klrifci ill K sti ndfn vor der Ansbfldrmg von 

 .: 1 ■ - - ~. : - :...:: ..-...,.- ... - .: :i — I 



.,.: ... .'.... 



