The California fruits and how to grow them; . Methods of field grafting grape vines A. Whip graft for stocks 1-2 to 2-3 of an inch in diameter. B, BB. Whip graft for stocks 2-3 to 3-4 of an inch in diameter. C, CC. Cleft graft for stocks 3-4 of an inch in diameter and for old stumps. 342 CALIFORNIA FRUITS: HOW TO GROW THEM larger growth and vigor and adaptation to different Californiasoils have been secured. Notable success has been attained inthe habilitation of vineyards on the basis of resistant roots. TheUniversity Experiment Station, at Berkeley, has maintained lead-ership in this directi
The California fruits and how to grow them; . Methods of field grafting grape vines A. Whip graft for stocks 1-2 to 2-3 of an inch in diameter. B, BB. Whip graft for stocks 2-3 to 3-4 of an inch in diameter. C, CC. Cleft graft for stocks 3-4 of an inch in diameter and for old stumps. 342 CALIFORNIA FRUITS: HOW TO GROW THEM larger growth and vigor and adaptation to different Californiasoils have been secured. Notable success has been attained inthe habilitation of vineyards on the basis of resistant roots. TheUniversity Experiment Station, at Berkeley, has maintained lead-ership in this direction by publication of specific information whichcan be had by application to the Instances of successful herbaceous grafts. Resistant Varieties.—American wild vines are characterized byvery marked differences in degree of resistance to phylloxera, andespecially in adaptability to soils. Not only do species differ inthis respect, but varieties of the same species show widely differ-ent characteristics. As a result of the process of selection varietieshave been secured which are far above the average of the speciesin vigor of growth and development, degree of resistance and gen-eral suitability for resistant root purposes. The few varietieswhich have thus demonstrated particular excellence in Franceand have given notable indications of success in California, arepresented by Mr. Bioletti as follows: The varieties of resistant stocks which will in all probabilitybe most used in California are Rupestris St. George (du Lot),Riparia X Rupestris 3306. Riparia X Rupestris 3309, Riparia So-lonis 1616, Mourvedre X Rupestris 1202, Aramon X Rupestris 2,Riparia gloire, and Ri
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfruitculture, bookyea
