Potato Research

, Volume 37, Issue 3, pp 233–243 | Cite as

Potato production from true potato seed (TPS) in Egypt: Effect of the growing season on seedling development, recovery from transplanting and yield

  • C. Engels
  • J. Schwenkel
  • B. Sattelmacher
  • R. El Bedewy
Article

Summary

Ware potatoes were produced from true potato seed by transplanting seedlings to the field in different growing periods to evaluate environmental constraints of this production method in the Nile delta. In the autumn season, with high temperatures and long-day conditions during seedling culture in the nursery and transplant establishment in the field, seedling development was fast, and transplants resumed growth within 5 days of transplanting in the field. Tuber yields ranged between 120 and 160 dt ha−1. In the spring season, with low temperatures and short-day conditions during the initial growing phase, seedling development in the nursery was slow and biomass partitioning between above ground organs (stems, leaves) and tubers was shifted towards the tubers. This partitioning was further enhanced by transplanting the seedlings in the field. Seedlings recovered only slowly from transplanting or died.

It is concluded that potato production via transplants is poor in the spring season when premature tuberization of seedlings in the nursery leads to slow field establishment and low tuber yield.

Additional keywords

physiological ageing premature tuberization Solanum tuberosum L. transplanting shock 

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Copyright information

© Kluwer Academic Publishers 1994

Authors and Affiliations

  • C. Engels
    • 1
  • J. Schwenkel
    • 1
  • B. Sattelmacher
    • 2
  • R. El Bedewy
    • 3
  1. 1.Institute of Plant NutritionUniversity Hohenheim (330)StuttgartGermany
  2. 2.Institute of Plant NutritionUniversity KielGermany
  3. 3.CIP Region IV OfficeKafr El ZayatEgypt

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