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Vegetable Crops–PLSC 451/551 Lesson 20, Cole Crops, Cabbage

Vegetable Crops–PLSC 451/551 Lesson 20, Cole Crops, Cabbage. Instructor: Stephen L. Love Aberdeen R & E Center 1693 S 2700 W Aberdeen, ID 83210 Phone: 397-4181 Fax: 397-4311 Email: slove@uidaho.edu. Cole Crops. Origin and Domestication

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Vegetable Crops–PLSC 451/551 Lesson 20, Cole Crops, Cabbage

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  1. Vegetable Crops–PLSC 451/551Lesson 20, Cole Crops, Cabbage Instructor: Stephen L. Love Aberdeen R & E Center 1693 S 2700 W Aberdeen, ID 83210 Phone: 397-4181 Fax: 397-4311 Email: slove@uidaho.edu

  2. Cole Crops Origin and Domestication Wild relatives include kales and other non-heading cabbages, seakale thought to be wild form Center of origin – southern Europe and the Mediterranean region First domesticated types were annual, and non-heading All cultivated types arose as mutants or selections

  3. Brassica Crops Crops, species, and relationships B. nigra – black mustard B. oleracea – (cole crops) cabbage, broccoli, cauliflower, kale, brussel sprouts, kohlrabi B. rapa – turnip, Chinese mustard, turnip rape, broccoli raab, Chinese cabbage B. carinata – Abyssinian mustard B. juncea – various forms of mustard B. napus – rutabaga, Siberian kale, oil rape, canola

  4. Black mustard (Brassica nigra) Seeds used to make mustard

  5. Cole crops (Brassica oleracea)

  6. Chinese mustard Brassica rapa Used as a potherb

  7. Brassica carinata Abyssinian mustard Used for industrial seed oil

  8. Edible mustards B. Juncea Used as potherbs

  9. Rapeseed B. napus Used for culinary seed oil

  10. Brassica genetic relationships

  11. Cole crop relationships

  12. B. oleracea Crops, species, and relationships Most important species is B. oleracea Acephala group – kale Alboglabra group – Chinese broccoli (kailan) Botrytis group – cauliflower Capitata group – cabbage Gemmiferae group – brussel sprouts Gongylodes – kohlrabi Italica – sprouting broccoli (calabrese)

  13. Cole Crops (B. oleracea) Crops, species, and relationships Most important species is B. oleracea Acephala group – kale Alboglabra group – Chinese broccoli (kailan) Botrytis group – cauliflower Capitata group – cabbage Gemmiferae group – brussel sprouts Gongylodes – kohlrabi Italica – sprouting broccoli (calabrese)

  14. Cole Crops (B. oleracea) Crops, species, and relationships Most important species is B. oleracea Acephala group – kale Alboglabra group – Chinese broccoli (kailan) Botrytis group – cauliflower Capitata group – cabbage Gemmiferae group – brussel sprouts Gongylodes – kohlrabi Italica – sprouting broccoli (calabrese)

  15. Cole Crops (B. oleracea) Crops, species, and relationships Most important species is B. oleracea Acephala group – kale Alboglabra group – Chinese broccoli (kailan) Botrytis group – cauliflower Capitata group – cabbage Gemmiferae group – brussel sprouts Gongylodes – kohlrabi Italica – sprouting broccoli (calabrese)

  16. Cole Crops (B. oleracea) Crops, species, and relationships Most important species is B. oleracea Acephala group – kale Alboglabra group – Chinese broccoli (kailan) Botrytis group – cauliflower Capitata group – cabbage Gemmiferae group – brussel sprouts Gongylodes – kohlrabi Italica – sprouting broccoli (calabrese)

  17. Cole Crops (B. oleracea) Crops, species, and relationships Most important species is B. oleracea Acephala group – kale Alboglabra group – Chinese broccoli (kailan) Botrytis group – cauliflower Capitata group – cabbage Gemmiferae group – brussel sprouts Gongylodes – kohlrabi Italica – sprouting broccoli (calabrese)

  18. Cole Crops (B. oleracea) Crops, species, and relationships Most important species is B. oleracea Acephala group – kale Alboglabra group – Chinese broccoli (kailan) Botrytis group – cauliflower Capitata group – cabbage Gemmiferae group – brussel sprouts Gongylodes – kohlrabi Italica – sprouting broccoli (calabrese)

  19. Cole Crops History and Domestication Evidence of non-heading forms used in 2500 BC Kale – described by Theophrastus in 350 BC Kohlrabi possibly appeared around 1 AD Soft-head cabbage – described by Pliny in 1 AD Broccoli – imported into Rome around 400-600 AD Cauliflower first described in 1544 AD First written description of brussel sprouts in 1587

  20. Cole Crops Characteristics - nutrition Low in carbohydrates, fats, calories Good source of protein (balanced), minerals, vitamin A, vitamin C, other vitamins Known anticancer properties Includes antioxidants – ascorbic acid, tocopherols, carotenoids, isothiocyanates, indoles, flavanoids

  21. Brassica Crops Toxicity Contain glucosinolate compounds Converted to: isothiocyanates, thiocyanates, nitriles, goitrin Interfere with thyroxine production Associated with goiter (thyroid enlargement) Low glucosinolate varieties are bred

  22. Cole Crops Production – Soils and Climate All cool-season, hardy crops, frost tolerant Prefer cool, moist climates (cabbage widely adapted) Dry conditions enhance petiole growth, fibrousness Heat causes strong flavors Requires consistent water availability Can be grown on any type of soil

  23. Cole Crops Production – propagation and planting Seed propagated Direct seeded Short season crops (kohlrabi, kale) Cabbage, broccoli, cauliflower for processing Transplanted Crops for early harvest, garden production Expensive hybrid seed

  24. Hollow stem in broccoli – boron deficiency

  25. Cole Crops Production – Buttoning and blindness Premature initiation of heads or inflorescence Results in low yield, small unmarketable product Caused by growth disruption due to: Low nitrogen Low soil moisture Low temperature (if plants are past juvenile – ¼” stems Other causes

  26. Buttoning vs normal broccoli

  27. Vernalization requirements of cole crops

  28. Cole Crops Production – Harvest Each crop has specific harvest indices Harvest interval varies widely with crop Most are hand harvested (machine assisted) Immediate cooling usually required Field trimming and/or packing is common

  29. Cole Crops Handling and Storage Cooled w/ water, ice or room-cooled Commonly stored at 32 degrees, 98-100% RH Storage life varies by crop CA storage effective for some crops Ethylene causes senescence and injury

  30. Cole Crops Organic Production Not recommended in many areas – pest issues imported cabbageworm diamondback moth cabbage aphids root maggots

  31. Ol’ King Cole declared the only acceptable way to eat cabbage is shredded and mixed with mayonnaise and bits of carrots. By what name is this decree known?

  32. Ol’ King Cole declared the only acceptable way to eat cabbage is shredded and mixed with mayonnaise and bits of carrots. By what name is this decree known? Cole’s Law

  33. Cabbage

  34. Cabbage Worldwide Production Major producing areas, China, India, northern Europe, North America Common in modern-intensive, market garden, and subsistence systems Historically very important in the slavic countries

  35. Cabbage Varieties Classifications: Early, midseason or late Red or green Smooth or savoy Fresh or kraut Hybrid or open-pollinated

  36. Cabbage Food Uses (Cultural) Salads/coleslaw- North America Soups – Europe, Russia (borscht) Pickled – Asia (e.g. kim’chi) Stir fried on rice – Asia Sauerkraut – Northern Europe

  37. Broccoli

  38. Broccoli Major producing countries Historically considered an exclusively Italian vegetable United States 17,000 acres Just starting to become popular in other countries – no statistics available

  39. Broccoli Varieties Biennial types Purple sprouting (overwintered, branching) Purple cape (overwintered, single head) White sprouting (overwintered, branching Annual type Calabrese (spring, single head) prominent type

  40. Broccoli Varieties Biennial types Purple sprouting (overwintered, branching) Purple cape (overwintered, single head) White sprouting (overwintered, branching Annual type Calabrese (spring, single head) prominent type

  41. Broccoli Varieties Biennial types Purple sprouting (overwintered, branching) Purple cape (overwintered, single head) White sprouting (overwintered, branching Annual type Calabrese (spring, single head) prominent type

  42. Broccoli Varieties Biennial types Purple sprouting (overwintered, branching) Purple cape (overwintered, single head) White sprouting (overwintered, branching Annual type Calabrese (spring, single head) prominent type

  43. Broccoli Harvest Harvest indices Compact head No open inflorescences Head plus 8-10 in of stem harvested Hydrocooled immediately and packed in ice

  44. Broccoli - overmature

  45. Cauliflower

  46. Cauliflower Varieties White curd Snowball, Erfurt, Snowcap Purple curd Early Purple Head Both annual and biennial varieties are used

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