Our #1 Certified Rootstock

Our #1 Certified Rootstock - Field Grown

ROOTSTOCK	PARENTAGE	PHYLLOXERA RESISTANCE	VIGOR	COMPARATIVE MATURITY RATES	ADAPTATION TO DROUGHT	ADAPTATION TO "WET FEET"	NEMATODE RESISTANCE (ROOT-KNOT)	ROOTING QUALITY	FIELD BUDDING QUALITY	BEST SOIL & CLIMATE CONDITIONS	OTHER UNIQUE QUALITIES
RIPARIA GLOIRE	RIPARIA	GOOD	X	EARLY	POOR	GOOD	MODERATE	GOOD	GOOD	DEEP RICH SOIL IN CLOSE PLANTINGS: MED.TO DEEP WELL-DRAINED, SANDY GRAVELLY, ROCKY SILT; COOL	WET/COLD SOIL TOLERANT RESISTANT TO CROWN GALL;SURVIVES COLD & RAIN
420A	BERLANDIERI X RIPARIA	GOOD	X	EARLY	POOR-FAIR	POOR-FAIR	POOR-FAIR	POOR-FAIR	GOOD	FRESH FERTILE SOIL BEST, CAN ADAPT TO CHALKY OR HEAVY & DRY SHALLOW SOILS W/ WATER. GOOD FOR CLOSE SPACING.	GOOD IN CHALKY SOIL; CHLOROSIS RESISTANT; POTASSIUM DEF.; SMALL DENSITY, SHALLOW ROOT SYSTEM
101-14Mg	RIPARIA X RUPESTRIS	GOOD	XX	EARLY	POOR-FAIR	GOOD	MODERATE	GOOD	GOOD	FRESH CLAY, MOIST DEEP SOILS & MODERATE CLIMATE; NEEDS IRR. IN HOT, DRY AREAS; LOW RESIST. TO LIME & ACID SOILS	IMPROVES FRUIT SET; RESIST. TO CROWN GALL & SALINITY; CLAIMS OF CHARD & SYRAH INCOMPATIBILITY
3309C	RIPARIA X RUPESTRIS	GOOD	XX-XXX	MID	DIFFERS WIDELY	FAIR	POOR	GOOD	SENSITIVE TO VIRUSES FROM WOOD	FRESH DEEP NON-CLAY SOILS, CLOSE SPACING,	RESISTANT TO CROWN GALL; CAN TAKE COLD
44-53 MALEGUE	RIP X (CORDIF. X RUPESTRIS)	GOOD	XXX	MID	FAIR-GOOD	GOOD	GOOD	GOOD	GOOD	BETTER IN MOIST, DEEP SOILS OR IRRIGATED IN WARM AREAS	IMPROVES FRUIT SET; TAKES ACID SOILS; MAGNESIUM PROBLEMS
SCHWARZMANN	RIPARIA X RUPESTRIS	GOOD	XXX	MID	FAIR	FAIR-GOOD	FAIR-GOOD	GOOD	GOOD	MOIST, DEEP SOILS; NOT FOR HEAVY OR DROUGHT SOILS	IMPROVES FERT. OF SCION; STEM THICKENS QUICKLY
SO4	BERLANDIERI X RIPARIA	GOOD	XXXX	MID	POOR-FAIR	FAIR-GOOD	GOOD	GOOD	GOOD	MOIST CLAY/COOL WET; NOT FOR DRY	SIMILAR TO 5C; SLIGHTLY LESS VIGOROUS THAN 5BB
5C	BERLANDIERI X RIPARIA	GOOD	XXXX	MID	FAIR	FAIR	GOOD	GOOD	GOOD	COOLER AREAS BEST WITH HUMID CLAY LOAM SOILS, BUT CAN TAKE HEAVY CLAY; SHALLOW ROOT SYSTEM	HAS BROAD NEMATODE RESISTANCE/ YOUNG PLANTS NEED WATER
5BB	BERLANDIERI X RIPARIA	GOOD	XXXX	MID	DIFFERS WIDELY	POOR	VARIES	GOOD	SENSITIVE TO VIRUSES FROM WOOD	COOLER AREAS BEST WITH HUMID CLAY LOAM SOILS, BUT CAN ADAPT TO HEAVY SOILS IF NOT WATER-LOGGED	BETTER DROUGHT RESISTANCE THAN 5C & 420A; SLIGHTLY MORE VIGOROUS THAN SO4 & 5C
1103 PAULSEN	BERLANDIERI X RUPESTRIS	GOOD	XXXXX	MID- LATE	GOOD	GOOD	FAIR	GOOD	GOOD	DROUGHT SOILS, HILLSIDES BEST; CAN ADAPT TO WATER-LOGGING & CLAY-LIME SOILS	RESISTANT TO LIME, SALT & CLAY/SUSCEPTIBLE TO POTASSIUM DEFICIENCY
110R	BERLANDIERI X RUPESTRIS	GOOD	XXXXX	MID- LATE	EXCELLENT	POOR-FAIR	LOW-FAIR	POOR-FAIR	FIELD GRAFTS WELL	SHALLOW DROUGHT SOILS; HILLSIDES; ADAPTS TO SANDY, GRAVELLY, SILT, ROCKY CLAY	TOLERANT OF SOME ACID & LIME; CROWN GALL SUSCEPT.; DEEP ROOT SYSTEM
140R	BERLANDIERI X RUPESTRIS	GOOD	XXXXXX	MID- LATE	EXCELLENT	POOR-FAIR	ARGUABLE	POOR-FAIR	VARIES	SANDY DROUGHT SOILS & HILL-SIDES BEST; ADAPTS TO SHALLOW CLAY, DEEP SILT,OR LOAM	SUSCEPTIBLE TO POTASSIUM DEFICIENCY, CROWN GALL; RESISTANT TO SALINITY & ACIDITY
VR 039-16	VINIFERA X ROTUNDIFOLIA	QUESTIONABLE LONG-TERM	XXXXX	MID- LATE	POOR		FAN-LEAF TOLERANT	POOR	VARIES	DROUGHT SENSITIVE; USE ONLY IN FAN-LEAF ZONES AS LAST RESORT	HIGH SODIUM & CHLORIDE LEVELS;ZINC-DEF. , OVER-CROPPING & POOR COLOR IN TABLE GRAPES; LARGEST # OF ROOTS
ST. GEORGE	RUPESTRIS	GOOD	XXXXX	LATE	WITH DEEP SOIL, GOOD	POOR-FAIR	POOR	GOOD	GOOD	DRY DEEPER SOILS & ON HILLSIDES; DEEP, LARGE ROOTS	HIGH JUICE POTASSIUM, POOR FRUIT SET
HARMONY	1613C X CHAMPINII	NOT RECOMMENDED	XXXXXXA	LATE	FAIR	POOR	VERY GOOD	GOOD	GOOD	SANDY SOILS BEST; ONLY IF ROOTKNOT NEMATODES A PROBLEM & NO PHYLLOXERA	CROWN GALL RESISTANT; HIGH POTASSIUM, SODIUM & ZINC IN TABLE GRAPES
FREEDOM	1613 C X CHAMPINII	QUESTIONABLE LONG-TERM	XXXXXXB	LATE	GOOD	POOR	VERY GOOD	GOOD	SENSITIVE TO VIRUSES FROM WOOD	SANDY SOILS BEST; ONLY IF ROOTKNOT NEMATODES A PROBLEM & NO PHYLLOXERA	ZINC DEF. W/ TABLE GRAPES & CHARDONNAY; HIGHEST NITROGEN, POTASSIUM IN TABLE GRAPES
SALT CREEK (RAMSEY)	CHAMPINII	QUESTIONABLE LONG-TERM	XXXXXXC	LATE	FAIR-GOOD	GOOD	VERY GOOD	GOOD	GOOD	LOAMY SANDS TO FINE SANDS; WARM CLIMATES	SUSCEPT. CROWN GALL; CAN TAKE SALINITY; HIGH ZINC, NIT., POT. & PHOSPHORUS IN TABLE GRAPES
99R	BERLANDIERI LAS SORRES X RUPESTRIS DU LOT	GOOD	XXXX	MID- LATE	MODERATE	POOR-FAIR	LOW-FAIR	FAIRLY WELL	GOOD	TOLERATES UP TO 17 PERCENT ACTIVE LIME, BUT DOES NOT TOLERATE SALT	SIMILAR TO 110R; NOT AS VIGOROUS
1616C	SOLONIS X RIPARIA	GOOD	XX	MID	POOR	GOOD	MODERATE	GOOD	GOOD	FAIRLY WEAK VAR.; BEST IN FERTILE,HUMID,BADLY- DRAINED SOILS WITHOUT EXCESS LIME	WITHSTAND UP TO 11 PERCENT ACTIVE LIME
161-49C	RIPARIA X BERLANDIERI	GOOD	X-XX		POOR		POOR	FAIR	VARIES	FOR HUMID, FERTILE SOILS	IN DRY CONDITIONS SUSCEPT. TO THYLLOSIS. CASES OF INCOMPATIBILITY WITH SCION VAR.
GRAVESAC	161-49C X 3309C	VERY RESISTANT TO ROOT FORM	MODERATE		MODERATE		LOW	GOOD		GOOD RESULTS IN SANDY AND SANDY-GRAVELLY SOIL	AVG. REQUIREMENTS IN POTASSIUM;QUITE RESISTANT TO MAGNESIUM DEFICIENCY.

This data compilation is meant to be used as an initial information source only. We encourage you to seek further information from research and viticultural experts' advice. A complete bibliographical listing of sources for this data is available upon request.

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Phone: 707 963-5688 or 800 344-5688
Fax: 707 963-1840

E-mail: sales@californiagrapevine.com

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