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  • 1 Post By jai_star
  • 1 Post By tucker85
  • 1 Post By espranch

Sick vanda spike. Thrips?

This is a discussion on Sick vanda spike. Thrips? within the New Growers: Ask the Senior Members forums, part of the New Growers category; Hi guys I have a 5 year old Vanda Roberts Delight, it normally has 2-3 ...

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  1. #1
    glenyorl1 is offline Senior Member
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    Default Sick vanda spike. Thrips?

    Hi guys I have a 5 year old Vanda Roberts Delight, it normally has 2-3 dark pink spikes and blooms 2x a year. Last year and this year its spike turns brown at initiation, if it makes it to maturity it gets dessicated. I have about 45 vandas and they are all doing very well. At present I have ten spiking including my sick vanda

    I am not sure if its thrips since I never had this problem nor would I know what to look for in terms of "bugs" My plant is about 3 feet tall and used to be very healthy

    I am attaching 3 photos, the first shows the sick spike, the second the complete plant and the third an example of the other healthy spikes of my other plants. If its diseased, as in a virus I would have to dispose of her but hopefully its either a cultural problem or something I can treat topically. Please help
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  2. #2
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    jai_star is offline Senior Member
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    Looks more like some sort of fungus or bacteria to me although i'm no expert in Vandas will be curious to know what others will say

  3. #3
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    tucker85 is offline Senior Member
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    I've had that happen to my vandas and I don't know what causes it. I'm in South Florida also and I will say this has been the worst year I've ever seen for thrips. Orthene works well on them. That orange vanda in the last picture is beautiful.

  4. #4
    espranch is offline Senior Member
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    I agree with Jeff, and if the orchid were mine, I also would use Orthene...but as to how much, I do not know. Looking at the spike I don't believe that it has fungus or rot...just some kind of pest problem. Hope you find the cause, and can fix it...I really like the green/white leaves at the base of the bamboo...Betty

  5. #5
    catttan's Avatar
    catttan is offline Senior Member
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    Looks very much like thrips to me. I've had this problem often with my vandas and dendrobiums.

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