potato 5-9-12 CLEAN - Vegetableipmasia.org
potato 5-9-12 CLEAN - Vegetableipmasia.org
potato 5-9-12 CLEAN - Vegetableipmasia.org
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ORGANIC POTATO PRODUCTION 6. RECOMMENDED VARIETIESVariety selection is important both for the horticultural characteristics specified by the market and the pest resistance profile that will be the foundation of apest management program. If disease pressures are known, Table 6.1.2 can help to determine which varieties will be more successful in reducing diseaseproblems. Consider the market when choosing varieties, selecting those with some level of disease resistance if possible.A certified <strong>org</strong>anic farmer is required to plant certified <strong>org</strong>anic seed. If, after contacting at least three suppliers, <strong>org</strong>anic seed is not available for a particularvariety, then the certifier may allow untreated conventional seed to be used.Table 6.1.1 Cultural characteristics of <strong>potato</strong> varieties. Skin color/ flesh color 2Maturity 3Tuber set 4Ave tuber weight 4Use 5Nitrogen required mineral soils Nitrogen required muck soils Variety Relative to #Tubers/ Oz. N lbs/A 6 N lbs/A 6 CWT/A CWT/A 1.0xx 9 % Defects % Defects Atlantic foot Adirondack Blue 1 P/P EM 6.7 4.3 T <strong>12</strong>5-‐150 80 160 205 73 <strong>12</strong> knobs 2 VD -‐4*** Adirondack Red 1 R/R 9.2 3.4 T <strong>12</strong>5-‐150 80 180 216 67 5 green 3 VD +10*** All Blue 1 P/P ML T 100-‐<strong>12</strong>5 80 <strong>12</strong>0 210 +13*** Allegany W/W L T 100-‐<strong>12</strong>5 60 70 315 +48 Andover W/W EM 7.3 5.2 C,T <strong>12</strong>5-‐150 100 135 280 83 3 green 2 HH +22** Atlantic 7 Bu/W M 7.7 5.5 C 100-‐<strong>12</strong>5 80 230 325 92 4 green 9 HH 0(std) Austrian Crescent 1 Bu/Y L T Bake-‐King M T Banana 1 Y/Y L T Caribe 1 RP/W E T Carola 1 Y/Y M 10 4.2 T 100-‐<strong>12</strong>5 80 195 290 76 6 green 23 VD +11 Chieftan 1 R/W M 8.8 6.2 T 100-‐<strong>12</strong>5 80 270 335 71 4 green 6 VD 0(std)*** Organic Marketable Yield Elba 1 Bu/W VL T 100-‐<strong>12</strong>5 60 190 330 Eva 1 W/W M 7.6 5.3 C,T <strong>12</strong>5-‐150 100 195 310 77 6 green 2 VD +43 French Fingerlings 1 R/Y T Genesee W/W L 7.1 5.3 T 100-‐<strong>12</strong>5 80 135 285 71 7 green 5 VD -‐10 German Butterball 1 Y/Y L T 70 250 Green Mountain W/W 100-‐<strong>12</strong>5 80 220 185 Kanona W/W ML C <strong>12</strong>5-‐150 80 305 Katahdin 1 Bu/W L 7.4 5.6 T 100-‐<strong>12</strong>5 80 205 300 75 9 green 8 HH +5 Conventional marketable yield Specific gravity 4External defects 4External defects 4Internal defects 4,10Internal defects 4,10Dormancy 111020<strong>12</strong>
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