The Orchid Doctor Articles under the Heading Phosphorus

Phosphorus Comments
PHOSPHOROUS DEFICIENCY: It Seldom Occurs But the foliage does become dark green, there is dwarf growth with no flowering; there is no tissue necrosis. A67-473+ 0
PHOSPHORUS: Function in a Fertilizer It helps to make the plant flower; if a cymbidium has a low percentage in its tissue on chemical examination, few flowers will be produced. AU87(1)-12 0
PHOSPHORUS: Functions as Fertilizer It is essential to root growth and is necessary for the production of flowers, fruit and seed. A70-139 -- functions, generally = it is abundant in seeds and young growing tissue; is taken up relatively largely in the early life of the plant; mobile within the plant; in annual plants if sufficient is taken up early it can suffice for the life of the plant; application to non-orchid perennials is recommended at start of growth. AU75-45 0

New Topics

  1. Fritz wilke asked question What kind of orchid is this? in category General Discussion
  2. Robert Stagner asked question cattleya mossiae Willowbrook in category General Discussion
  3. Judith Pariseau asked question Paphiopedilum culture differences in category Paph Alliance
  4. Marc Lefkowitz asked question Bulbophyllum in category Bulbophyllums
  5. Tony Borowiecki asked question Can a Bealleara re-flower in category Oncidium Alliance

New Comments

  1. Robert H. Findlay commented on topic "What kind of orchid is this?" by Fritz wilke
  2. Robert H. Findlay commented on member plant Oncidium Sherry Baby by Luesa Estrada
  3. Judy Bailey commented on topic "Paphiopedilum culture differences " by Judith Pariseau
  4. David Hickman commented on topic "Mystery Orchid" by David Hickman
  5. Carol Holdren commented on topic "Bulbophyllum " by Marc Lefkowitz
  6. Carol Holdren commented on topic "Can a Bealleara re-flower" by Tony Borowiecki
  7. Carol Holdren commented on topic "How to care for my new orchid" by Sylvia Spence
  8. Bodil Bruus commented on member plant Ctt. Mrs. W. N. Elkins var. coerulea by Linda Thorne
  9. Jan E Teitsworth commented on topic "Can anyone identify this orchid?" by Jan E Teitsworth
  10. Carol Holdren commented on topic "Brassolaeliocattleyamaianh " by Kim Loan T Nguyen