is this mango malformation disease.

[nakulv1]

Is this mango malformation disease? I wasn't aware of this disease back when I purchased the plant from the nursery.

[simon_grow]

I'm not a mango expert but that does not look like Mango Malformation to me. The new growth looks uniform and new growth does not appear to have the symptoms of fusarium, typically witches broom type growth. See pic in attached link. https://www.daf.qld.gov.au/plants/health-pests-diseases/a-z-significant/mango-malformation-disease

Simon

[nakulv1]

Is the witches broom type growth any problem for the plant or is it normal? Thank you.

[simon_grow]

It is a problem for the plant and can stunt the growth of the tree, less so for larger established trees. Your yields will also be decreased as MMD on blooms may cause an increase number of male and Hermaphrodite flowers. Some articles I found say that diseased blooms will not yield fruit but there is also mention that fruit from plants with MMD is safe to eat. Perhaps they are referring to parts of the plants that were not affected by MMD?

Simon

[Delvi83]

I can't see this malformation....where is it?

[nakulv1]

I can't see this malformation....where is it?

I'm not sure if it is mango malformation but was worried it might be because of the area around the new growth looks a bit messy.

[simon_grow]

It does Not look like MMD. If the rootstock is vigorous, it is not uncommon to see multiple sprouts arise from the growing points.

Simon

[nakulv1]

It does Not look like MMD. If the rootstock is vigorous, it is not uncommon to see multiple sprouts arise from the growing points.

Simon

Thanks. That's a relief.

[bsbullie]

Keep an eye on both those points.  While I dont think it is it looks a little suspicious from the pictures.  If it does turn out to be MMD, cound three nodes below the MMD location and prune the limb at that point and then spray with a heavy dosage of copper.  If you do need to prune this out, be sure to wipe down your pruners with a fairly strong bleach solution before and after each cut.

In any event, at this time for precautionary reasons only, if you prune this tree, wipe down your pruners with a fairly strong bleach solution before and after each cut.

[JF]

nakulv1

India is notorious for Mango Malformation I would wait for another flush and as Rob mention cut that branch off and nuke it with malathion sterilize your tools.

[bsbullie]

nakulv1

India is notorious for Mango Malformation I would wait for another flush and as Rob mention cut that branch off and nuke it with malathion sterilize your tools.

MMD is fungal, malathion is an insecticide, has no control over fungal matters.

[JF]

nakulv1

India is notorious for Mango Malformation I would wait for another flush and as Rob mention cut that branch off and nuke it with malathion sterilize your tools.

MMD is fungal, malathion is an insecticide, has no control over fungal matters.

Thanks Rob I checked an Indian study Behl send on MMD a few years ago

[Guanabanus]

I agree that those two places look suspicious--- not normal.

[Squam256]

Trees with floral MMD will often exhibit that sort of distorted growth in the picture on some of their limbs, without completely distorting the new leaves and shoots as occurs in the foliar form of the disease.

It is a problem for the plant and can stunt the growth of the tree, less so for larger established trees. Your yields will also be decreased as MMD on blooms may cause an increase number of male and Hermaphrodite flowers. Some articles I found say that diseased blooms will not yield fruit but there is also mention that fruit from plants with MMD is safe to eat. Perhaps they are referring to parts of the plants that were not affected by MMD?

Simon

They can still set fruit but the male/female ratio is very poor and the malformed panicles are considerably more prone to other fungal infections such as antrhacnose than panicles from uninfected limbs.

[simon_grow]

Thanks for the information everyone, still learning as I grow. I wonder if you will get normal elongation of the vegetative growth? The new growth with leaves expanding still looks normal to me. I wonder if recent pruning removing apical dominance or if any recent strange weather is causing the growth. Please keep us updated. Is it possible for you to submit samples to your local Ag department?

Simon

[SamiC]

nakulv1

India is notorious for Mango Malformation I would wait for another flush and as Rob mention cut that branch off and nuke it with malathion sterilize your tools.

MMD is fungal, malathion is an insecticide, has no control over fungal matters.

Thanks Rob I checked an Indian study Behl send on MMD a few years ago

Is that because fungal diseases are spread by the insects? I'd love to know the reasoning.

[nakulv1]

The new growth looks fine but has too many leaves clustered together. The new shoots aren't very long and hence the cluster formation.

[simon_grow]

The new growth still looks normal to me, I get bunched up growth like that when I have strong push of buds.

Simon

[nakulv1]

Simon

This one looks so cool.

[simon_grow]

Thanks, that one is a Double Greenwood Grafted Jumbo Kesar on double Manilla rootstock. Here is more information on my double rootstock trees, http://tropicalfruitforum.com/index.php?topic=16549.0

Simon