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Horticulture Plant: Shamrock Term:  Weeds
Shamrock - Oxalis <ul><li>Bulb  - Green or purple clover-shaped leaves </li></ul><ul><li>Many varieties – some perennial <...
Weeds <ul><li>Weed -  a plant growing out of place or an unwanted plant </li></ul>
Weed Types <ul><li>Grasses </li></ul><ul><li>Broadleaf </li></ul><ul><li>Onions </li></ul><ul><li>Annuals </li></ul><ul><l...
Weeds <ul><li>Can out-compete desired plants  </li></ul><ul><li>Poor environments: </li></ul><ul><ul><li>High Moisture </l...
Weed Control <ul><li>Disrupt Lifecycle </li></ul><ul><li>Out-compete with desired plants </li></ul><ul><li>Physically remo...
Herbicides <ul><li>Herbicides – need appropriate weather conditions & growing plants </li></ul><ul><ul><li>Selective – onl...
Weed & Feed <ul><li>Mix of fertilizer & herbicide </li></ul><ul><li>Broadleaf control </li></ul><ul><li>Selective or Nonse...
Bittercress  <ul><li>Bittercress   </li></ul><ul><li>Winter Annual </li></ul><ul><li>Seeds can shoot 9’ </li></ul><ul><li>...
Chickweed  Chickweed   Winter Annual Low-growing, succulent weed that often spreads out in extensive mats.  It may survive...
Dandelion <ul><li>Dandelion   </li></ul><ul><li>Biennial or Perennial </li></ul><ul><li>Has a thick tap root, dark brown, ...
Lespedeza <ul><li>Lespedeza .  </li></ul><ul><li>Perennial </li></ul><ul><li>Found throughout the southeast.  </li></ul><u...
Plantain <ul><li>Perennial .  </li></ul><ul><li>Its roots are fibrous with a strong taproot. </li></ul>
Spotted Spurge Spotted Spurge Annual Spurge contains a milky sap in the stem. The flower of spotted spurge is small and gr...
Wild Onion and Wild Garlic <ul><li>Wild onion and wild garlic are both winter perennials.  </li></ul><ul><li>Both wild oni...
Virginia Buttonweed Virginia Buttonweed  is a prostrate-growing perennial with branching hairy stems. Virginia buttonweed ...
White Clover White Clover  is a perennial with trifoliate leaves, stems that root at the nodes, and white flowers.
Oxalis <ul><li>Oxalis . A perennial with trifoliate leaves and yellow flowers.  </li></ul><ul><li>Individual flowers consi...
Purslane <ul><li>Annual  </li></ul><ul><li>Each plant is capable of producing 240,000 seeds which are viable for up to 40 ...
Speedwell Speedwell  is a winter annual that germinates in mid-fall.
Wild Geranium Wild Geranium , also called Carolina geranium, is a semi-erect winter annual. The seed forms in a fruit caps...
Wild Violet Wild Violet  is a winter perennial, growing 2 - 5 inches tall. It can have a tap root or a fibrous root system...
1 st  Qtr Fall Horticulture Plants
Name this plant
Name this plant
Name this plant
Name this plant
Name this plant
Name this plant
Name this plant
Name this plant
Name this plant
Name this plant
Name this plant
Name this plant
Name this plant
Name this plant
Name this plant
Name this plant
Name this plant
Name this plant
Name this plant
Name this plant
Name this plant
Today: Plant potatoes <ul><li>Cut potatoes into golf ball sized pieces </li></ul><ul><li>Each piece must have at least 2 e...
Hilling potatoes <ul><li>When potatoes sprout above soil line, fill the rest of the way </li></ul><ul><li>When plants are ...
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3 17 Weeds & Potatoes

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Transcript of "3 17 Weeds & Potatoes"

  1. 1. Horticulture Plant: Shamrock Term: Weeds
  2. 2. Shamrock - Oxalis <ul><li>Bulb - Green or purple clover-shaped leaves </li></ul><ul><li>Many varieties – some perennial </li></ul><ul><li>USDA Zones 6-10, 8-10 </li></ul><ul><li>Full sun to light shade </li></ul><ul><li>Small white or pink flowers </li></ul><ul><li>Many are grown exclusively as potted plants </li></ul><ul><ul><li>have relatively short life </li></ul></ul><ul><ul><li>Pest sensitive </li></ul></ul><ul><li>Many are capable of naturalizing </li></ul><ul><ul><li>Wood Sorrel </li></ul></ul>
  3. 3. Weeds <ul><li>Weed - a plant growing out of place or an unwanted plant </li></ul>
  4. 4. Weed Types <ul><li>Grasses </li></ul><ul><li>Broadleaf </li></ul><ul><li>Onions </li></ul><ul><li>Annuals </li></ul><ul><li>Biennials </li></ul><ul><li>Perennials </li></ul>
  5. 5. Weeds <ul><li>Can out-compete desired plants </li></ul><ul><li>Poor environments: </li></ul><ul><ul><li>High Moisture </li></ul></ul><ul><ul><ul><li>Sedge, Moss, Rush, A. Bluegrass </li></ul></ul></ul><ul><ul><li>Low Moisture </li></ul></ul><ul><ul><ul><li>Spurge, Poorjoe, A. Lespedeza, Knotweed </li></ul></ul></ul><ul><ul><li>Low pH </li></ul></ul><ul><ul><ul><li>Sorrel, broomsedge </li></ul></ul></ul><ul><ul><li>Low Nitrogen </li></ul></ul><ul><ul><ul><li>Clovers, Legumes, Mosses </li></ul></ul></ul><ul><ul><li>Compact Soil </li></ul></ul><ul><ul><ul><li>A. Bluegrass, Goosegrass, A. Lespedeza, Plantain </li></ul></ul></ul>
  6. 6. Weed Control <ul><li>Disrupt Lifecycle </li></ul><ul><li>Out-compete with desired plants </li></ul><ul><li>Physically remove – roots too! </li></ul>
  7. 7. Herbicides <ul><li>Herbicides – need appropriate weather conditions & growing plants </li></ul><ul><ul><li>Selective – only kills certain types of plants </li></ul></ul><ul><ul><li>Non-selective – kills everything </li></ul></ul><ul><ul><li>Pre-emergence – keeps seeds from germinating </li></ul></ul><ul><ul><li>Post-emergence – After plant is growing </li></ul></ul>
  8. 8. Weed & Feed <ul><li>Mix of fertilizer & herbicide </li></ul><ul><li>Broadleaf control </li></ul><ul><li>Selective or Nonselective? </li></ul><ul><li>Monocots or Dicots? </li></ul><ul><li>Works by preventing germination </li></ul><ul><li>Annual weeds or perennial weeds? </li></ul><ul><li>When should you apply? </li></ul>
  9. 9. Bittercress <ul><li>Bittercress </li></ul><ul><li>Winter Annual </li></ul><ul><li>Seeds can shoot 9’ </li></ul><ul><li>Spring problem </li></ul>
  10. 10. Chickweed Chickweed Winter Annual Low-growing, succulent weed that often spreads out in extensive mats. It may survive summer in shady, cool areas that offer sufficient moisture Flowers are small but showy with five deeply cut white petals.
  11. 11. Dandelion <ul><li>Dandelion </li></ul><ul><li>Biennial or Perennial </li></ul><ul><li>Has a thick tap root, dark brown, almost black on the outside though white and milky within. </li></ul><ul><li>Dandelion seeds are carried away by the wind and travel like tiny parachutes. A strong wind can carry the seeds miles away from the parent plant. </li></ul>
  12. 12. Lespedeza <ul><li>Lespedeza . </li></ul><ul><li>Perennial </li></ul><ul><li>Found throughout the southeast. </li></ul><ul><li>Lespedeza has a strong, firm taproot. </li></ul><ul><li>The stems are also firm and woody. </li></ul>
  13. 13. Plantain <ul><li>Perennial . </li></ul><ul><li>Its roots are fibrous with a strong taproot. </li></ul>
  14. 14. Spotted Spurge Spotted Spurge Annual Spurge contains a milky sap in the stem. The flower of spotted spurge is small and green in color. It germinates in mid spring and flowers from June to September.
  15. 15. Wild Onion and Wild Garlic <ul><li>Wild onion and wild garlic are both winter perennials. </li></ul><ul><li>Both wild onion and wild garlic spread by bulbs, seed and bulblets. </li></ul><ul><li>Both plants flower from April through June. </li></ul>
  16. 16. Virginia Buttonweed Virginia Buttonweed is a prostrate-growing perennial with branching hairy stems. Virginia buttonweed spreads by seed and plant segments.
  17. 17. White Clover White Clover is a perennial with trifoliate leaves, stems that root at the nodes, and white flowers.
  18. 18. Oxalis <ul><li>Oxalis . A perennial with trifoliate leaves and yellow flowers. </li></ul><ul><li>Individual flowers consist of 5 yellow petals. </li></ul><ul><li>The roots are long, slender rhizomes occur with a fibrous root system. </li></ul><ul><li>Spreads by seed and roots </li></ul>
  19. 19. Purslane <ul><li>Annual </li></ul><ul><li>Each plant is capable of producing 240,000 seeds which are viable for up to 40 years. </li></ul><ul><li>It is found in gardens and bare ground from June to October. </li></ul>
  20. 20. Speedwell Speedwell is a winter annual that germinates in mid-fall.
  21. 21. Wild Geranium Wild Geranium , also called Carolina geranium, is a semi-erect winter annual. The seed forms in a fruit capsule that forms a &quot;storks bill&quot;.
  22. 22. Wild Violet Wild Violet is a winter perennial, growing 2 - 5 inches tall. It can have a tap root or a fibrous root system, and also can produce rooting stolons and rhizomes. The flowers of wild violet range from white to blue to purple and appear from March to June. Wild violet flowers are pansy-like with three lower petals and two lateral petals on long single flower stalks.
  23. 23. 1 st Qtr Fall Horticulture Plants
  24. 24. Name this plant
  25. 25. Name this plant
  26. 26. Name this plant
  27. 27. Name this plant
  28. 28. Name this plant
  29. 29. Name this plant
  30. 30. Name this plant
  31. 31. Name this plant
  32. 32. Name this plant
  33. 33. Name this plant
  34. 34. Name this plant
  35. 35. Name this plant
  36. 36. Name this plant
  37. 37. Name this plant
  38. 38. Name this plant
  39. 39. Name this plant
  40. 40. Name this plant
  41. 41. Name this plant
  42. 42. Name this plant
  43. 43. Name this plant
  44. 44. Name this plant
  45. 45. Today: Plant potatoes <ul><li>Cut potatoes into golf ball sized pieces </li></ul><ul><li>Each piece must have at least 2 eyes </li></ul><ul><li>Dig a trench 6-8” deep </li></ul><ul><li>Place seed potatoes 15” apart </li></ul><ul><li>Cover with 3-4” soil </li></ul>
  46. 46. Hilling potatoes <ul><li>When potatoes sprout above soil line, fill the rest of the way </li></ul><ul><li>When plants are 8-10” tall, hill up the soil around them </li></ul><ul><li>Potatoes should never be exposed to sunlight </li></ul><ul><ul><li>Turn green & become poisonous </li></ul></ul><ul><li>Potatoes begin to form when plant sets flowers </li></ul>
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