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PlantVillage is a free, open access platform for crop health run by Penn State University and a global community of experts in agriculture.


Chemical control for thrips

General    Burma

We have been facing a problem in controlling thrips at many tropical crops such as tomato, muskmelon, chilli, onion, etc., in my hot summer region, Myanmar (Burma). So please...

Asked by: Mr Ye Aung (1 point)   Posted:February 21, 2018

1 answer    35 views

What is this disease ?

Orange    Turkey

What are caused these stains in fruit ? Very happy if you help... Thank you Regards

Asked by: heisenberg (1 point)   Posted:February 15, 2018

1 answer    65 views

Caterpillar infestation in Radish
What are these black caterpillars?

Radish    India

Needs help in the identification of these caterpillar which have completely skeletonised the leaves of Radish plant.

Asked by: Rupinder Singh (13 points)   Posted:February 13, 2018

0 answers    63 views

I downloaded this image from the link i have given below
Identification of lentil plant leaf disease using Image Processing techniques

Lentil    Thailand

I want to develop a model based on Image Processing for plant leaf disease detection. For this i would like to choose lentil plant because there are very less research done on...

Asked by: Anjali Acharya (1 point)   Posted:February 10, 2018

1 answer    88 views

Diseases or poisoning?

Pepper, bell    Iran

Hello, Do you know what the problem with these peppers? Leaves necrosis started from old leaves and spread to new leaves. Root and crown are good and they are not showing...

Asked by: golsam (1 point)   Posted:February 8, 2018

1 answer    99 views

image databases

Image Database    Pakistan

Hundreds of paper authors are referring me towards plant village for datasets of diseased leaf but plant village is not giving me dataset or even not its links so i could...

Asked by: waqar001 (1 point)   Posted:February 2, 2018

1 answer    283 views

Bug infestation
What bug is this in Broad Bean?

Bean    Nepal

Hello. I am distraught to see these small black bugs infesting my precious plants. What are these? Are these bugs specific to this plant? Do they have any natural...

Asked by: Parikshit (1 point)   Posted:January 27, 2018

2 answers    181 views

it is my own

Lemon    Somalia

Hi, again I am facing a serious problem in my citrus trees, recently I have seen these insects which I couldn't know their importance. on the other hand the Insects are always...

Asked by: Aidarus (1 point)   Posted:January 23, 2018

1 answer    174 views

What does it take to have the PlantVillage dataset available?

PlantVillage    Canada

So, I have searched through the blog and seen multiple requests to access the PlantVillage dataset. The reply from the author so far is "We don't have the resources to host the...

Asked by: liam (1 point)   Posted:January 17, 2018

1 answer    293 views

What are these spots on my Pineapple Guava leaves?

Guava    Italy

Hi! I have two plants of feijoa/acca sellowiana/pineapple guava planted one and two years ago. I noticed some black/brown spots on their leaves as in the pics. Do you know...

Asked by: Mirko (1 point)   Posted:January 14, 2018

1 answer    195 views

what disease is this muskmelon leaf symptom?

Cucumber    Burma

We are facing a serious problem in our muskmelon growing areas and the growers are disappointed by the disease and are not able to control this because they did not know exact...

Asked by: mr htwe (1 point)   Posted:January 14, 2018

1 answer    170 views

The leaves turn yellow

Cucumber    Burma

The cucumber leaves are turning yellow. And they become wilting from the base. Please let me know what it is and how to control it.

Asked by: mr htwe (1 point)   Posted:January 14, 2018

1 answer    191 views

google map
building the grape garden next to the river

General    Iran

Is it right to build a grape garden near water resources such as the river? In such a situation, does the risk of the disease increase? Location details: Weather: Cloudy and...

Asked by: lordss (1 point)   Posted:January 8, 2018

1 answer    176 views

Top of a leaf
White raised spots on Kale. Does anyone know what this is?

Kale    Colorado

This is Red Russian Kale grown hydroponically in an indoor system. Air temperature maintained at 70 Day/60 Night with ~75% humidity. These are showing up toward the bottom of...

Asked by: David (1 point)   Posted:January 4, 2018

2 answers    190 views

Upper surface
Leaves turn into necrosis and brown

Watermelon    Burma

Thanks for your kindly reply.I've just sent you an upper surface photo.Please guide me what to do to it.

Asked by: Ye Aung (1 point)   Posted:January 2, 2018

1 answer    206 views

Muskmelon leaf symptom

General    Burma

I am facing a different muskmelon leaf symptom which is difficult to define. Please let me know what it could be and possible solution.

Asked by: Mr Ye Aung (1 point)   Posted:December 30, 2017

1 answer    192 views

Watermelon leaf
Watermelon leaves are necrotic and blighted leaf margins

General    Burma

Please help me, I have a problem with my watermelon field. I don't know what is the reason, disease or deficiency. Please provide the solution to this problem and a possible...

Asked by: Mr Ye Aung (1 point)   Posted:December 30, 2017

1 answer    177 views

It is my own
Lemon tree

Lemon    Somalia

Hi good afternoon, I have a problem in this lemon tree which exhibits a small spots on the leaves as you can see them right now. on the other hand I am in northern regions of...

Asked by: Aidarus (1 point)   Posted:December 29, 2017

1 answer    177 views

One of the browning watermelon babies :(
Watermelons not growing

Watermelon    New Zealand

Hi all! I've been growing watermelon plants from a seed for a couple of months now, and the plants look healthy and green. There have been a few watermelons growing, but once...

Asked by: Naomi (1 point)   Posted:December 29, 2017

1 answer    161 views

concentric brown spots

Basil    Morocco

Disease in basil which produces this type of patches?

Asked by: Sara (1 point)   Posted:December 26, 2017

2 answers    200 views

Roya on tarragon

Tarragon    Morocco

Good morning, the tarragon has a disease on the leaves and we do not have much idea of what can be. Maybe Roya?. I know that is quite difficult recognize a disease through a...

Asked by: Sara (1 point)   Posted:December 26, 2017

1 answer    151 views

brown patchs on Murraya koenigii

General    Morocco

Good morning! I have a question in relation to the Murraya koenigii leaves. In some of our trees there are appearing some brown patchs on the leaves, with strange shapes that I...

Asked by: Sara (1 point)   Posted:December 26, 2017

1 answer    144 views

What is the cause of these symptoms?

General    Syria

What could be causing these symptoms? The symptoms initially appear on the older leaves. Are the symptoms of magnesium deficiency or Verticillium disease?

Asked by: Asem ebrahim (2 points)   Posted:December 21, 2017

1 answer    162 views

black stains on basil

Basil    Morocco

Good morning!We have a problem on basil, in which there are appearing many black spots and stains on leaves. It could be Alternaria but I am not sure. What do you think it could...

Asked by: Sara (1 point)   Posted:December 19, 2017

1 answer    214 views

The diseased leaf of mulberry tree
Disease on the mulberry tree leaves

Mulberry    Australia

I have a mulberry tree and its leaves are developing black spots as shown in the photo. The leaves fall off after some time. Is there a way to treat this? I am in Melbourne...

Asked by: Verghese George (1 point)   Posted:December 15, 2017

1 answer    211 views

fertilizing guava plants seedlings and mature

Guava    Florida

Hi, Thanks for all your help. What is the best way to fertilize guava plant in pots seedlings and mature. and which fertilizer is the best? Thanks in advance. Best wishes.

Asked by: am mo (1 point)   Posted:December 14, 2017

1 answer    214 views

Root vegetable from Colocasia esculenta
disease in Colocasia esculenta

Yams    Guatemala

I found some plants with the same disease. The soil is dry near by a little body of water. Around those plants there are a few lemon and orange trees. Can anybody Id this...

Asked by: Erick (1 point)   Posted:December 13, 2017

1 answer    184 views

white dots on my guava leaves and started to be yellow and seems that something is eating it

Guava    Florida

Hi I have about 12 guava trees. I planted them in a pots because the weather in north Florida has some frost in the winter. I lost some of them before in the frost. Now in the...

Asked by: am mo (1 point)   Posted:December 9, 2017

1 answer    232 views

White stuff on the trunk
Live in Hawaii and found White stuff on the trunk of the papaya need your help

Papaya (pawpaw)    Hawaii

Don white stuff on my tree living in Hawaii need your help please

Asked by: Don Coons (1 point)   Posted:December 3, 2017

2 answers    332 views

Pv logo No Image
How and when to sow macadamia nuts?

Macadamia    Italy

Hi! I have some fresh macadamia nuts. I would like to sow them. According to you should I put them in the fridge and wait spring to sow or just like I do with other nuts,...

Asked by: Mirko (1 point)   Posted:December 3, 2017

1 answer    211 views