Shop Orchid Care OrchidTalk Orchid Forum Weather Station Links Nursery

Welcome to OrchidTalk Orchid Forums


The Friendliest Orchid Community on the Internet!


  •  » Learn to Repot your Orchids
  •  » Learn Orchid Care Tips and Secrets
  •  » Find the perfect Orchid for your Growing Environment
  •  » Chat with Orchid Growing Professionals

OrchidTalk - "Bringing People Together to Grow Orchids Better!"


Let us help you grow your Orchids better; Join our community today.


YES! I want to register an account for free right now!


Register or Login now to remove this advertisement.

Page 1 of 3 123 LastLast
Results 1 to 10 of 26

KeikiGrow Plus application

This is a discussion on KeikiGrow Plus application within the Breeding & Hybridization forums, part of the Orchid Propagation category; Good day to you all. I'm from Romania and grow orchids under lights. A month ...

Click here to increase the font size Click here to reduce the font size
  1. #1
    refu is offline Junior Member
    My Grow Area
    Under Lights.
    Join Date
    Aug 2010
    Location
    Romania
    Posts
    14

    Default KeikiGrow Plus application

    Good day to you all.
    I'm from Romania and grow orchids under lights.
    A month ago I added KeikiGrow Plus on two of my Phals.
    Here are some pictures with the rezults. I think I got flower spikes instead of keikis. Do you know why these could be? ( to much light , etc.?)
    Thank.








  2. #2
    orchidlady's Avatar
    orchidlady is offline Senior Member
    Real Name
    Susan
    My Grow Area
    Under Lights
    Favorite Orchid(s)
    Phal and Paph species
    Join Date
    Apr 2009
    Location
    Seattle, WA
    Posts
    904

    Default

    Getting bloom spikes is always a possibility when using keiki hormone products. What you get depends somewhat on the plant's current cycle (blooming versus growing) as well as culture (light, temperature, etc.). Since Phals are starting to go into their blooming cycles this time of year, that's most likely having an affect on getting blooms instead of keikis.

    Susan

  3. #3
    refu is offline Junior Member
    My Grow Area
    Under Lights.
    Join Date
    Aug 2010
    Location
    Romania
    Posts
    14

    Default

    Thank you, I applied it on two Phalas that already had flowers, I hoped that this would reduce the risk of a flower spike...

  4. #4
    Brutal_Dreamer's Avatar
    Brutal_Dreamer is offline Dreaming with my eyes open...
    Real Name
    Bruce Brown
    My Grow Area
    Greenhouse
    Favorite Orchid(s)
    Cattleyas & Slippers
    Join Date
    Mar 2003
    Gender
    Male
    Location
    Arkansas
    Posts
    34,003
    Member's Country Flag

    Default

    Quote Originally Posted by orchidlady View Post
    ..... Since Phals are starting to go into their blooming cycles this time of year, that's most likely having an affect on getting blooms instead of keikis.

    Susan
    Never thought of that Susan. Very good point. Thanks.

    cheers,
    BD

  5. #5
    Daethen is offline Senior Member
    Real Name
    Jonada
    My Grow Area
    Under Lights
    Favorite Orchid(s)
    Paph Chiu Hua Dancer
    Join Date
    Aug 2010
    Location
    Wisconsin, USA
    Posts
    1,588
    Member's Country Flag

    Default

    Could it also be that they like to form keikis on spikes?

  6. #6
    refu is offline Junior Member
    My Grow Area
    Under Lights.
    Join Date
    Aug 2010
    Location
    Romania
    Posts
    14

    Default

    Don't think so, I would be inclined to think that is what the plant wants, spikes not keikis.

  7. #7
    Mr_Bean's Avatar
    Mr_Bean is offline Member
    Real Name
    Dan
    My Grow Area
    Windowsill
    Favorite Orchid(s)
    Phalaenopsis, Phrag
    Join Date
    Apr 2010
    Location
    Philadelphia, PA
    Posts
    28
    Member's Country Flag

    Default

    What orchidlady said is very true. I also want to add that if you want keikis instead of spikes, you might want to try leaving the plant in the dark for a couple days after you applied the keiki paste.

  8. #8
    Bikerdoc5968 is offline Senior Member
    Real Name
    Howard
    Favorite Orchid(s)
    Anything That Will Grow
    Join Date
    Apr 2007
    Location
    W. Bloomfield, Michigan
    Posts
    1,261
    Member's Country Flag

    Default

    This is the abstract of an article published in August 2006, Journal of Experimental Botany, Vol. 57, No. 15, pp. 4043–4049.

    I have been using KeikiGro Plus for several years and have found exactly what has been said above regarding timing of the application of the hormone paste. For best results to produce keiki, it should be applied during the plant's vegetative growing phase when there is less day/night temperature variation.

    Abstract
    Phalaenopsis orchids are among the most valuable
    potted flowering crops commercially produced throughout
    the world because of their long flower life and ease
    of crop scheduling to meet specific market dates.
    During commercial production, Phalaenopsis are usually
    grown at an air temperature >28 C to inhibit flower
    initiation, and a cooler night than day temperature
    regimen (e.g. 25/20 C day/night) is used to induce
    flowering. However, the specific effect of day and night
    temperature on flower initiation has not been well
    described, and the reported requirement for a diurnal
    temperature fluctuation to elicit flowering is unclear.
    Two Phalaenopsis clones were grown in glass greenhouse
    compartments with constant temperature set
    points of 14, 17, 20, 23, 26, or 29 C and fluctuating
    day/night (12 h/12 h) temperatures of 20/14, 23/17, 26/14,
    26/20, 29/17, or 29/23 C. The photoperiod was 12 h, and
    the maximum irradiance was controlled to <150 mmol
    m2 s1. After 20 weeks, >80% of plants of both clones
    had a visible inflorescence when grown at constant 14,
    17, 20, or 23 C and at fluctuating day/night temperatures
    of 20/14 C or 23/17 C. None of the plants were
    reproductive within 20 weeks when grown at a constant
    29 C or at 29/17 C or 29/23 C day/night temperature
    regimens. The number of inflorescences per
    plant and the number of flower buds on the first inflorescence
    were greatest when the average daily temperature
    was 14 C or 17 C. These results indicate that
    a day/night fluctuation in temperature is not required
    for inflorescence initiation in these two Phalaenopsis
    clones. Furthermore, the inhibition of flowering when
    the day temperature was 29 C and the night temperature
    was 17 C or 23 C suggests that a warm day
    temperature inhibits flower initiation in Phalaenopsis.

  9. #9
    madphrag's Avatar
    madphrag is offline Senior Member
    Real Name
    Mitch
    My Grow Area
    Under Lights
    Favorite Orchid(s)
    Phrags and Paphs
    Join Date
    Aug 2009
    Location
    St. Louis, MO
    Posts
    241
    Member's Country Flag

    Default

    Quote Originally Posted by Bikerdoc5968 View Post
    This is the abstract of an article published in August 2006, Journal of Experimental Botany, Vol. 57, No. 15, pp. 4043–4049.

    I have been using KeikiGro Plus for several years and have found exactly what has been said above regarding timing of the application of the hormone paste. For best results to produce keiki, it should be applied during the plant's vegetative growing phase when there is less day/night temperature variation.

    Abstract
    Phalaenopsis orchids are among the most valuable
    potted flowering crops commercially produced throughout
    the world because of their long flower life and ease
    of crop scheduling to meet specific market dates.
    During commercial production, Phalaenopsis are usually
    grown at an air temperature >28 C to inhibit flower
    initiation, and a cooler night than day temperature
    regimen (e.g. 25/20 C day/night) is used to induce
    flowering. However, the specific effect of day and night
    temperature on flower initiation has not been well
    described, and the reported requirement for a diurnal
    temperature fluctuation to elicit flowering is unclear.
    Two Phalaenopsis clones were grown in glass greenhouse
    compartments with constant temperature set
    points of 14, 17, 20, 23, 26, or 29 C and fluctuating
    day/night (12 h/12 h) temperatures of 20/14, 23/17, 26/14,
    26/20, 29/17, or 29/23 C. The photoperiod was 12 h, and
    the maximum irradiance was controlled to <150 mmol
    m2 s1. After 20 weeks, >80% of plants of both clones
    had a visible inflorescence when grown at constant 14,
    17, 20, or 23 C and at fluctuating day/night temperatures
    of 20/14 C or 23/17 C. None of the plants were
    reproductive within 20 weeks when grown at a constant
    29 C or at 29/17 C or 29/23 C day/night temperature
    regimens. The number of inflorescences per
    plant and the number of flower buds on the first inflorescence
    were greatest when the average daily temperature
    was 14 C or 17 C. These results indicate that
    a day/night fluctuation in temperature is not required
    for inflorescence initiation in these two Phalaenopsis
    clones. Furthermore, the inhibition of flowering when
    the day temperature was 29 C and the night temperature
    was 17 C or 23 C suggests that a warm day
    temperature inhibits flower initiation in Phalaenopsis.
    Nice to see you back Howard! Even though I only have a handful of Phals, (mostly species), this is very helpful info for the Phal. enthusiasts out there. Thanks!

  10. #10
    rosie's Avatar
    rosie is offline Rosie
    Real Name
    Annette
    My Grow Area
    Greenhouse
    Favorite Orchid(s)
    Cattleyas
    Join Date
    Jul 2010
    Location
    Brisbane, Australia
    Posts
    444
    Member's Country Flag

    Question

    Welcome back Howard, where you bin? I tried the Keiki paste, remember me. All I got was flower buds. But it makes sense when I think about it, that, our temp. here in Qld. will be around that 29C during the day, and 17-20C at night, in a month or two. That is the time to try the keiki paste? As the chid. has finished flowering by then. Do you agree.

Page 1 of 3 123 LastLast

Similar Threads

  1. Shade cloth application
    By Gin in forum Semi Hydro / Lights / Greenhouses / Accessories
    Replies: 3
    Last Post: July 23rd, 2005, 10:01 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
OrchidTalk --An Orchid Growers Discussion Forum brought to you by River Valley Orchidworks. A World Community where orchid beginners and experts talk about orchids and share tips on their care, cultivation, and propagation.