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BLACK ROT IN ORCHIDS (FUNGAL ROT IN CATTLEYAS)
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- Опубліковано 20 чер 2021
- Black rot on orchids is caused by Pythium and Phytophthora species. Black rot targets a variety of orchids but Cattleya orchids are especially susceptible
In mature plants, the disease can strike at any leaves, pseudobulbs or roots, but often starts in new leaves or growing leads, and progresses downward through the plant until reaching the roots..
Black rot shows up as dark blackish spots or lesions on the affected plant part. The black spot or spots enlarge rapidly and can spread throughout the plant. If allowed to reach the crown of a monopodial orchid, the rot will kill the plant. Affected leaves may turn yellow around the infected area, and the lesions themselves will be soft and exude water when pressure is applied.
Treatment-
-Isolate
-cut affected area ,remove whole leaf or pseudobulb if necessary
-seal with cinnamon or fungicide
prevention-
-Dont use unsterile gardening tools,avoid reusing media or pots
-Avoid water logging in grow area
-Good air circulation
-if any plant is grossly affected better to throw it than risking contamination in other plants
Link of AOS article on Black rot
www.google.com...
My videos on cattleya orchid care are all under this playlist ..Have a look
• Cattleyas
All my cattleya care videos all under one playlist
ua-cam.com/play/PLkyNyR7YZB2CHg6FcfADsPG4aTWdWN_8J.html
Thank you for sharing this information.
Good for beginners like me
Thankyou for sharing
Thank you for the information! Very helpful 👍🏻👍🏻👍🏻
Loving your videos, very helpful with many of my orchid issues. Thank you! 😎
Thanks a lot. my cattleya has got black rot. now i know how to save my plant
Thanks a lot for the this informative video.
Thank you so much for another informative video
Very informative 😀
Hi there! Did tgis little guy make it? Just curious...love your channel. Thabk you
Beautiful ❤️
Highly informative video. Was able to understand how serious is black rot.. Thank you.
Thank u so much sir❤️🙂I watched the other video that u sent me..I think for aphids and all garlic water may work..if the attack is mild for a full blown attack we may need some stronger solution🙂
Thank you i love the idea of using cinnamon because everyone says to use that powder chemical that I do not have. 😊good to know thank you.
Thank u for the vdo
excellent video, I do get a case or two in the rainy season, yes, it is a fast acting rot that needs attention immediately
I watched almost all of your video.. Being from Assam I always have love for orchids... Once or twice I try to grow them bringing from my native ... But they died... I really wondered how I can grow them here in Bengaluru... Your videos gave me confidence ... I will try it again I think... Specially you mounting technique is the best and convincing way of growing orchids 👌🏻👌🏻👌🏻
Please share video with one variety of orchids... All about series.. Thank you 😊
Good information. I am facing same after the cyclone
...the timing!
i'm thinking about my orchids coz
its already monsoon season here in the Philippines. . .
your video is of great help! Dhanyavaad😊...
😊🙏❤️❤️❤️
So very happy that I stumbled on your channel. I live in Chennai (similar climate to Bhubaneswar)..and hence very relieved to find that it is possible to grow orchids really well in this kind of climate. I am just a beginner and one of the things I have planned to do is to switch to Seaweed and Epsom Salt from NPK. Thanks so much for all your wonderful videos. They are extremely helpful and practical. Please wish me luck !
Thank u so much 😊❤️ I wish u all the very best ❤️❤️❤️
Mam, would you please create a video on Pesticide and Fungicide For Orchid?
Waiting
Several of my cattleya seedlings cought similar simptom. Every new shoot getting rot and turn black then died. If the leaf survive theyll grow stunted. But I notice this pest only attack seedlings. Do you know how to cure them? Thankyou
Blouse neck
tread piping
ethepole aano
stitch cheyyunnath
Did this plant survive?
Hi adyasha, what is your opinion about treating this type of rot with fungicides like saaf or bavistin? I had this issue last year with two cattleyar। I sealed all cuts with saaf and dipped the roots in bavistin solution , then kept them dry to the point pseudobulbs shrivelled. I barely watered them enough to keep them alive। This spring they threw out new growths। Only then I repotted and started watering them properly again
Hi...I actually don't use fungicides..so I'm probably not the right person to give my opinion regarding it... however there is no harm in trying in a very orchid..we should do all that we can do to save an orchid ...n thank you for sharing what u did..I will definitely try it sometime if I have a sick orchid which doesn't respond to cinnamon and peroxide🙂