POTATO PRODUCTION   ZFC TRAINING 2010 11/17/11
Potato Scab 11/17/11 Potato scab disease due to high soil pH
NEMATODE DAMAGE  (TOMATO ROOTS)
NEMATODE CONTROL <ul><li>Culturally:  – rotations, soil type. </li></ul><ul><li>Chemically:   </li></ul><ul><ul><li>EDB Te...
WEED MANAGEMENT <ul><li>PRE- EMERGENCE HERBICIDES : </li></ul><ul><li>Product Rate (Litres / ha) </li></ul><ul><li>Dual Ma...
Potato Pests   <ul><li>Whitegrubs:   </li></ul><ul><li>Pyrinex  </li></ul><ul><li>Chloropyrifos </li></ul>11/17/11
<ul><li>These cut stem at soil line </li></ul><ul><li>Reduce plant pops greatly if uncontrolled </li></ul><ul><li>Control ...
Potato Pests   <ul><li>Aphids:   </li></ul><ul><li>Metasystox </li></ul><ul><li>Dimethoate  </li></ul><ul><li>Tamaron </li...
Potato Pests <ul><li>Leaf Minor:   </li></ul><ul><li>Dynamec/Abamectin </li></ul><ul><li>Tamaron/Methamidofos </li></ul><u...
Potato Pest <ul><li>White Flies:   </li></ul><ul><li>Tamaron/ Methamidophos </li></ul><ul><li>Confidor/ Imidachloprid </li...
<ul><li>Amitraz 1.5litrs PHI 3 </li></ul><ul><li>Dicofol  220ml PHI 7 </li></ul><ul><li>Dynamec. 560ml PHI 3  </li></ul><u...
Potato Pests <ul><li>Potato Tuber Moth:   </li></ul><ul><li>Pyrinex/Chloropyrifos </li></ul><ul><li>Tamaron/Methamidofos <...
Early Blight on leaves & tubers  11/17/11
Early Blight <ul><li>EARLY BLIGHT: </li></ul><ul><li>Easily recognized by the “target spot” lesions on the leaf. </li></ul...
Late blight lesions on potato leaf   & stem   11/17/11
late blight infected potato tubers   11/17/11
Diseases and their control <ul><li>LATE BLIGHT : </li></ul><ul><li>Most serious disease of potatoes in Zimbabwe. </li></ul...
BACTERIAL  WILT <ul><li>Apply Copper Oxychloride @  2 kg/ha  </li></ul><ul><li>Weekly sprays </li></ul><ul><li>Rogue and d...
GREENING <ul><li>Caused by exposure of potato tubers to light  </li></ul><ul><li>Re-ridging  </li></ul><ul><li>Avoid late ...
11/17/11
11/17/11
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Potato production agritex presentation mugiyo

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Potato production agritex presentation mugiyo

  1. 1. POTATO PRODUCTION ZFC TRAINING 2010 11/17/11
  2. 2. Potato Scab 11/17/11 Potato scab disease due to high soil pH
  3. 3. NEMATODE DAMAGE (TOMATO ROOTS)
  4. 4. NEMATODE CONTROL <ul><li>Culturally: – rotations, soil type. </li></ul><ul><li>Chemically: </li></ul><ul><ul><li>EDB Tech 24 L/ha </li></ul></ul><ul><ul><li>EDB 92 EC injector gun- 29L/ha </li></ul></ul><ul><ul><li>Mechanical 18L/ha </li></ul></ul><ul><ul><li>Temik 40 kg /ha </li></ul></ul><ul><ul><li>Nemacur 10G 100kg/ha </li></ul></ul><ul><ul><li>Nemacur 480 EC 25 L/ha </li></ul></ul>11/17/11
  5. 5. WEED MANAGEMENT <ul><li>PRE- EMERGENCE HERBICIDES : </li></ul><ul><li>Product Rate (Litres / ha) </li></ul><ul><li>Dual Magnum - 1.0 </li></ul><ul><li>Lasso 48 EC - 3.5 </li></ul><ul><li>MCPA - 4.0 </li></ul><ul><li>Metribuzin - 1.0 </li></ul><ul><li>POST EMERGENCE </li></ul><ul><li>Product Rate (Litres / ha) </li></ul><ul><li>Fusilade Forte 0.58 – 6.7 </li></ul>11/17/11
  6. 6. Potato Pests <ul><li>Whitegrubs: </li></ul><ul><li>Pyrinex </li></ul><ul><li>Chloropyrifos </li></ul>11/17/11
  7. 7. <ul><li>These cut stem at soil line </li></ul><ul><li>Reduce plant pops greatly if uncontrolled </li></ul><ul><li>Control </li></ul><ul><li>Karate @ 100ml </li></ul><ul><li>Decis forte 20ml </li></ul><ul><li>Pyrinex @ 200ml </li></ul>
  8. 8. Potato Pests <ul><li>Aphids: </li></ul><ul><li>Metasystox </li></ul><ul><li>Dimethoate </li></ul><ul><li>Tamaron </li></ul><ul><li>Malathion </li></ul>11/17/11
  9. 9. Potato Pests <ul><li>Leaf Minor: </li></ul><ul><li>Dynamec/Abamectin </li></ul><ul><li>Tamaron/Methamidofos </li></ul><ul><li>Trigard /Cyromazine </li></ul>11/17/11
  10. 10. Potato Pest <ul><li>White Flies: </li></ul><ul><li>Tamaron/ Methamidophos </li></ul><ul><li>Confidor/ Imidachloprid </li></ul><ul><li>Chess </li></ul><ul><li>Decis </li></ul>11/17/11
  11. 11. <ul><li>Amitraz 1.5litrs PHI 3 </li></ul><ul><li>Dicofol 220ml PHI 7 </li></ul><ul><li>Dynamec. 560ml PHI 3 </li></ul><ul><li>Diazinon 190ml PHI 14 </li></ul>
  12. 12. Potato Pests <ul><li>Potato Tuber Moth: </li></ul><ul><li>Pyrinex/Chloropyrifos </li></ul><ul><li>Tamaron/Methamidofos </li></ul><ul><li>Monocron </li></ul>11/17/11
  13. 13. Early Blight on leaves & tubers 11/17/11
  14. 14. Early Blight <ul><li>EARLY BLIGHT: </li></ul><ul><li>Easily recognized by the “target spot” lesions on the leaf. </li></ul><ul><li>Preventive sprays: </li></ul><ul><li>Bravo @ 2 Lt/ha </li></ul><ul><li>Dithane M-45 @ 200 g/100 Lt water </li></ul><ul><li>2. Curative sprays: </li></ul><ul><li>Folicur @ 500 ml/ha </li></ul><ul><li>Score @ 250 ml/ha </li></ul>11/17/11
  15. 15. Late blight lesions on potato leaf & stem 11/17/11
  16. 16. late blight infected potato tubers 11/17/11
  17. 17. Diseases and their control <ul><li>LATE BLIGHT : </li></ul><ul><li>Most serious disease of potatoes in Zimbabwe. </li></ul><ul><li>Preventive sprays: </li></ul><ul><li>Bravo @ 2 Lt/ha </li></ul><ul><li>Dithane M-45 @ 200 g/100 Lt water </li></ul><ul><li>2. Curative sprays: </li></ul><ul><ul><li>Ridomil Gold/Milraz @ 2.5 kg/ha </li></ul></ul>11/17/11
  18. 18. BACTERIAL WILT <ul><li>Apply Copper Oxychloride @ 2 kg/ha </li></ul><ul><li>Weekly sprays </li></ul><ul><li>Rogue and destroy infected plants & drench infected area </li></ul>11/17/11
  19. 19. GREENING <ul><li>Caused by exposure of potato tubers to light </li></ul><ul><li>Re-ridging </li></ul><ul><li>Avoid late Nitrogen application </li></ul>11/17/11
  20. 20. 11/17/11
  21. 21. 11/17/11
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