RESULTS OF EXPERIMENTS. 89 
TABLE XXXI.—Results from experiments showing the decrease of disease among trees 
in nursery rows during the second and third years. (Experimental set 1.) 
| 
Diseased trees, Diseased trees, Diseased trees, 
Number of first year. second year. third year. 
Number of experiment. trees in ex- 
periment. 
Galled. | Hairy. | Galled. | Hairy. | Galled. | Hairy. 
Per cent. | Per cent. | Per cent. | Per cent. | Per cent. | Per cent. 
i estesede onGeocaae Seneca 9,814 24.5 6. 2 13.8 9.8 ; 9.7 
WS SE om ae Oe at ee 4,271 47.7 3.0 10.3 6.3 3.6 | 6.2 
DAS SeneStae sa tSeaeOl eae 6, 252 24. 2 7.5 4.3 9.1 1.8 | 8.7 
LAS AERA te 8 Ss Se ee 3, 079 13.3 2.6 5.1 5.3 B35 ily 6.5 
in SC Sci ac Saas ea oe eee 2,139 29.3 4.1 8.3 9.3 3.6 | 9.8 
2 22 So se dn See ok eee 980 15.7 7.4 6. 2 7.4 9 inl 
Uist GOS Ene een 1,671 26.9 7.3 6. 8 | 10.6 7.6 | 10.6 
Oo Galena ese 28, 206 26.7 5.5 9.1 | 8.6 4.7 8.7 
TABLE XXXII.—Results from experiments showing the decrease of disease among trees 
im nursery rows the second year. (Hxperimental set 2.) 
Diseased trees, | Diseased trees, 
Number of first year. | second year. 
Number of experiment. trees in ex- 
periment. | 
Galled. | Hairy. | Galled. | Hairy. 
| 
Per cent. | Per cent. | Per cent. | Per cent. 
Ihe Wao ASO EASE COMBS EHS SSO ACA Ie earner Sere 2, 480 22. 6 a0 19.1 13.1 
Do Soe Se See SR re TONNE te ee aE 1, 187 24.7 6.0 12.0 10.5 
a ks oy Soe ee Pe Bai oer ip eae at Penn ete eae 133 9.1 7.9 2.8 9.7 
gS UAE SEAS S Sa ee Ne en ene eerie ee ne 1,369 30. 7 2.9 SS 12.5 
The Sooo ee ee eae ee en eee a em ea 1,105 ia 14.7 20.6 15.4 
Cis ty ba GES HEE 5 Be ee Coe eee nna tel Den Mele Debaes aan’ 201 3.4 13.1 3.4 27.3 
OSS oR OR DSS ERs BO NC a Re eet ES SPM 379 14.5 ink 4! 14.9 12.1 
ANGLIA) Le Sia eee Sn SC Tee SS ee a a rT 8, 454 20. 0 7.9 12.8 10.3 
TaBLeE XXXIII.—Results from experiments showing the decrease of disease among trees 
in nursery rows the third year. (Experimental set 3.) 
| Diseased trees, Diseased trees, 
Number of | second year. | third year. 
Number of experiment. | trees in ex- | | 
= periment. 
| Galled. | Hairy. | Galled. | Hairy. 
Per cent. | Per cent. | Per cent. | Per cent. 
ls Soc Nea aac See Benen ae ees 2, 308 | Tle 7 6.7 : 13.5 
Ee ee eta oa wih cee es clogs en's eee 556 | 12.5 4.3 1.8 4.7 
Ds CSersSre cele. bes Se er 1,005 6. 2 6.8 lel 10.3 
4s bee bsne 66> ce ae ee ee ee 446 12.6 5.4 Ont U2 
2 3 BS See S Sc SoS TC ON eee 642 20. 6 4.6 1.9 5.6 
Os 335 See 6Goge SEs See DORE eee ee 133 9.0 10. 4 .0 3.0 
Ue Sector = = Bee eee a a eee eae a ee eg 136 | 14.1 14.1 3.1 13.8 
SUG s J SOR ag enn one Sane eee 5, 226 11.7 | 6. 4 | 2.6 | 10.2 
186 
