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Tropical Fruits

Dragon Fruit leaves turn yellow

12 years ago

I have a 1.5 yr old dragon fruit tree (red) that is productive right now. It has 5 fruits that had set, and about 10 young flowers on it... but I notice that the leaves have turned yellow on the top part of the tree, where the fruits and flowers are. The bottom -> middle part of the tree are still green.

What's wrong with it? Did I water it too much or two little?? It's plant against the wall in full sun.

I'm afraid all the fruits & flowers will fall off. HELP!!

Featured Answer

sabareesan santhanam

6 years ago

I m a commercial dragon fruit grower from India . we have 10 acres of dragon fruit orchard which is planted 2014. Lat yr we had mega harvest and we are super happy . since a month we faced this yellowing of leaves and it was spread so fast and we wonder want mistake we did to get this yellowing of leaves . so , I did my study and I came across several such sites for help . To be frank all are misleading and I decided to see our mistakes and get back to our routine which we didn't follow in past few months due to expansion of dragon fruit plantations . Finally we start to get back our routine and we got it fixed 100 % with a week time all the yellowing changed to green and yellowing has come under control. so ,what all misleading information I got and it is not true . 1) Excess water will not cause such yellowing of water . ( water retention may cause ) 2) Magnesium deficiency in the soil ?? ( not at all ) 3) Excessive sunlight ? ( not at all ) so what is the reason for yellowing of leaves in Dragon fruit ? In my experience - it is a type of Entrobacter - gram negative bacteria that cause the yellowing especially at the bottom of the leaves . so we came to know the cause and we didnt had such issues before then what prevented us so far ? ... we have been using a foliar spray on regular basis since we planted and we had no such issues or minimal issues. So , my strong suggestion for those experience such yellowing of leaves in dragon fruits is - SPRAY BORDEAUX FUNGICIDE - WHAT IS THIS B..FUNGICIDE ? check in the google . since we planted our dragon fruits for commercial production we use to spray once in a month of copper sulphate + slaked lime + water to prevent such out breaks . this is one of the best solution for yellowing of leaves we have seen so far .Result seen so I thought of taking my time to share such information to help others . You may also try some fungicides and bactericides mixed foliar spray to get intense effect or control . If you use Bordeaux spray on regular basis you will get fungicide - Bactericide - calcium - Magnesium all the nutrients and protection for your plants . Hope I share some useful information .

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Comments (11)

wizzard419
12 years ago
How often do you feed the plant? Since it's already established we can rule some stuff. But 2 reasons that come to mind are either lack of nitrogen from fertilizer and insects. You may want to check your plant for that as well.
stevef104
7 years ago
My dragon fruit turn yellow what is happening?
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Jason (Zone 10b, San Diego)
7 years ago
Pictures? Location? You need to provide a bit more information.
Tony Doe(Miami, Florida 10b)
7 years ago
It was probably due to the cold weather. Over 200 of my dragon fruit turned yellow. I am waiting to see if it recovers. It shriveled up too.

The first thing that happen to my dragon fruit was chlorosis. It lost it's green color and started turning white and shriveling up. After it warm up for two weeks, it started turning yellow.

As long as the branch doesn't start rotting, I will not cut it. There wasn't much damage and I got to see if it can recover from the cold weather and how long it takes.

My dragon fruit also turns yellow due to the lack of iron in the soil. I just add some iron fertilizer. One plant turn completely yellow. It hasn't turn yellow since. After a big harvest from the one plant, I just add a little more iron fertilizer. It first started turning yellow about two months after I picked all the fruits off it.
Brett Voss
7 years ago
Hello I need your help about dragons fruit I have 5 buckets with different dragons fruit ONE of them turn yellow/green the next is GREEN ??? why one of those yellow/green I check soil if wet its not wet trying to figure because all 4 other buckets healthy let me show you picture please tell me what's wrong ?? Thank you for your help and have a great day :) Brett
Tony Doe(Miami, Florida 10b)
7 years ago
I would start watering it first. Not all dragon fruit cutting successfully root. Some actually die.

Planting two segments or more is harder for the plant to root. An example would be if you were to cut the whole tree and plant it in the ground with no root, then the entire tree would die.
Brett Voss
7 years ago
As you see other picture came out great the tall one grow faster and keep watering ?? well sometime I feel inside soil its moist its why not wanted to overwatering I guess I might pull out bad one other leave it ??
Brett Voss
7 years ago
Tony I put bareroot put in soil than water in cup not good moist soil can help most almost all cactus never use water cup to grow root only soil I had been thru most cactus I had :)
Tony Doe(Miami, Florida 10b)
7 years ago
I planted the dragon fruit cutting a feet deep in the soil and most of them died. Then I planted it no more than 4 inches deep like the planting guidelines suggest and all of them survived.
Brett Voss
7 years ago
Oh yes not feet that's too deep yes 4 inches about right anyway i throw away bad one cuz I have other same as bad one no worry anyway many thanks Tony :)

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