-3- 



turf f jrning typ^s, such ,s r^d top Jind blue gruss. A pound or tw.^ of Ladino 

 p«r ucru will product* a good stand. A audurt-toly thick sti.nd '^f orchard gr^^se 

 will nvjt compote seriuusly with thu clovar. Two pounds of Lc.dinu cjid five 

 pounds uf orchard gri.ss hxq oxculljnt. Soniu scodurs do not h-,ndlo thos^j souds 

 wiill together und sop.-rate sooding D->y bo worth whila." 



P^ach I,.oth P^rusitos 



An intorusting demonstration in the ro-^^ring of ^■. bonuficii.1 insoct is 

 n_w undor way in onu uf tho b-.suuont l&boratorios of Ferniald Hall. Here, a.. I. 

 Bourne, Station iuntomoiogist , is preparing for distribution to Mas aachu setts 

 fruit growers a nunoer of colonies of the Liacrocentrus parasite of the peach 

 .TiOth. This work is being carried on in cooperation with entomologists in Nev/ 

 Jersey where about 150,000 strawberry leaves containing an infestation of 

 strawberry leaf roller have been obtained. As the leaf roller njOths emerge 

 they fly to the only source of light in the room, a screened window. The same 

 IS true of the adult liacrocentrus which incidentally parasitizes the strawberry 

 leaf roller as well as the peach noth- ;ui electric hair dryer is the ingenious 

 device used for collecting separately the tv;o kinds of insects on the screen. 

 The liacrocentrus are asseribled in colonies and stored at 40 to 45 degrees until 

 liberated in the peach orchard. The hurridity of the collecting rjor.i is kept 

 at 80 to 63 percent. To insure inaxinuir. activity in the orchard the parasites 

 are carried in icod containers to the point of rdoaso. It is interesting to 

 find that the introduction of stravi/berry leavcS fron IJevi/ Jersey botween June 

 3 and 20 wnore tho season is considerably oarliur than ours, makes it possible 

 to assemble the colonics of p^r^sites for our peach orchards about 3 weeks 

 oc-riier tnan would be the Cl.su if the stra^^borry leaf rollers wore obtained 

 locally. 



Granvi lle Grovjor Sol_ve^3 D eer Probl oia 



Karl Hanson, who owns an orchard in the tovm of Granville, h-,s con- 

 structed a v/ire fence ./hioh seeus to exclude deer in a section vnhere i.iuch 

 dvxin^ge has been done in previous ye..rs. ix. Hanson had to ropl;tce n-.ny of the 

 trees in his orchc-rd and found it ir.:pobsible to get s-^tisfactory tree growth 

 before the deer Wore fenced out. The construction is briefly as follows. 

 A barbed wdre is stretcned dong the ground to prevent door from getting under- 

 neath, .^nd ubout 4" ^bovo th„t is stretched >.. section of «voven wire, 39" high. 

 The top _nd ootto;., strands w.re i»o. lo wire _nd th^ rest i\le . 13. /iDov>i the top 

 of the woVen wire -.re 4 strands of heavy wirt; sucii c^s is used in growing cov- 

 ered tobccco, these str-.nds being si;>.<.Ced ..s follows, the first, b" above the 

 top of the woven v.'iro, tho others 10, 1<:, .nd It", respoctively . Tnis makes a 

 fence -^b.,ut 7 feet hign. L'Ir. Hunson h<^s found no ovidence of de^r jur.iping 

 sucn a fence, dthougn other grjwurs n-iVe reported them jumping as high ..s 

 or 9 feet. There ..re still plenty jf deer m that loc^.lity, although this 

 orch(,rd hus been unriolestod sinco che fence .;as built about 4 yo^^rs ago. 



Gutting Gr ass in the Orchard 



Should the grass in an orcnard be cut once., tvdce, or may it be left 

 without cutting at all? Investigators are not entirely agreed on this point. 

 If the growth of grass is scanty tnere is reason to believe that it makes 

 licr,le difference. But if there is a heavy growtn of grass cutting at least 

 once before July 1 will theoretically conserve some- moisture by partially 



