Ixxxviii CONTEXTS. 



HI. FIELD GRAFTING PAGE. 



Preparation of the soil .. 135 



Cuttings or roots - 135 



Age for grafting . 136 



Methods of grafting 136 



Tying and waxing 138 



Season for field grafting 138 



Treatment the first year.. . .. 138 



Regrafting 139 



Herbaceous grafting 140 



Comparison of various methods 142 



ILLUSTRATIONS. 



Young vineyard of bench-grafts .- ^ (cover) 



FIG. 1. Effect of scion roots on old vines . 92 



2. Mother vines of resistant stock. . 99 



3. Gauge for cutting stocks 101 



4. Notch and slot graders 103 



5. Slot grader setup 103 



6. Scales for slot grader 105 



7. Various methods of bench grafting 107 



8. Method of holding knife .. 108 



9. Wire-cutter 110 



10. Bundle stand 111 



11. Callusing bed . 113 



12. Plan of callusing bed 114 



13. Callused wire graft : 114 



14. Effects of moisture on callus formation 115 



15. Root and callus formation 116 



16. Effect of temperature on callus formation 117 



17. Callused whip grafts 118 



18. Planting dibbles 120 



19. Method of planting in nursery with dibble... 121 



20. Method of planting in nursery in trenches 121 



21. Irrigating a nursery. 122 



22. Scion roots on bench grafts. 123 



23. Grafts strangled by raffia. 125 



24. No. 1 bench grafts 127 



25. Method of planting grafts in vineyard. 131 



26. Methods of field grafting 137 



27. Scion roots in field-grafted vine.. 139 



28. Herbaceous graft 140 



29. Herbaceous bud .... ...'... 141 



