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4 votes

Trying to determine appropriate dosage for rose systemic treatment

It's really interesting that the company hides the ingredients for this priduct. According to a rather blurry photo that I found, the insectide is imidicloprid. This is a neonictinoid and will kill ...
Jurp's user avatar
  • 19.7k
3 votes

What is this white growth on willow tree

I believe you've correctly caracterized it as a fungus in your own assesment. Which one is not clear from this photo. What may be less obvious if you haven't looked at fungus behavior is that it's the ...
Ecnerwal's user avatar
  • 24.9k
3 votes
Accepted

What is this fungus (slime mold) with dark brown, rodlike vertical clusters and a slimy webbed base?

This is Chocolate Tube Slime (Stemonitis splendens) of the genus Stemonitis, a type of slime mold. It is typically found on fallen trees and decaying wood. Source: https://www.inaturalist.org/photos/...
Arrow's user avatar
  • 290
3 votes

Can I grow oyster mushrooms on shiitake-style blocks without bags?

The problem you will have is huge losses of humidity resulting in the substrate drying out. If you are trying to avoid using plastic bags you could use buckets or containers instead. Shiitakes require ...
user1949280's user avatar
2 votes
Accepted

What are these specks of white fuzz in some of my potting soil?

These are the sclerotia of a Leucocoprinus species. Probably Leucocoprinus birnbaumii. https://www.inaturalist.org/projects/leucocoprinus-sclerotia
MycoMutant's user avatar
2 votes

New Fig Tree Leaves Dying

I'm almost certain it's frost damage. Based on the time of year, your image and the description, your tree was most likely hit by a late spring frost. Luckily, your location should be frost-free in a ...
Sir Thinksalot's user avatar
2 votes
Accepted

Is this apple canker?

This is the damage as done by woolly apple aphids. These aphids suck tree saps from your apple tree, and by doing so cause these deformations. The deformations themselves are usually not a big issue, ...
Frank Houweling's user avatar
2 votes

Avocado cutting's (and plant) stem is turning black/brown

That does not look good. For cuttings, you want to keep the soil wet all the time as their is very little root system, so the plant needs as much water as it can get. You would also normally leave a ...
davidgo's user avatar
  • 4,353
2 votes

Diagnosing mint plant with yellow spots on leaves

I'm relatively new to gardening and have not seen this on a mint plant - but if what I have been taught is correct I believe the problem is a piercing insect - eg a leafhopper. (I'm not saying it is ...
davidgo's user avatar
  • 4,353
1 vote

Trying to determine appropriate dosage for rose systemic treatment

I had a look at the BioAdvanced Sie, but they dont disclose the ingredients, instructions or cautions. Amazon listing has instructions. I would follow the instructions. Note, it is systemic, and ...
Rohit Gupta's user avatar
  • 2,575
1 vote

Pine gets yellow needles and new shoots are twisted

After digging on the internet with image search it turned out this looks like fungal infection with Lophodermium pinastri. I will try to use fungicides. Thank you all for your time and help!
Wojtek Waga's user avatar
1 vote

What are the spots on my lilac bush?

This is likely just transplant shock. The roots have been cut, the tops probably left intact and the roots that are left have a problem keeping up with transpiration from the leaves, so the plant ...
Colin Beckingham's user avatar
1 vote

Is my fairy castle cactus infected with a fungus?

Looks like a rot to me. Yes, for sure it is mold. Cactuses aren't meant to be left thriving in such a rich compost based medium, they prefer sandy soils with ample drainage. They can survive with too ...
Jayparth's user avatar
  • 1,025
1 vote

Leaf underside browning on Baby Rubber Plant (Peperomia Obtusifolia)

Peperomias like dry warm environments. Their thick waxy leaves are a great protection against insects and diseases. The roots are subject to fungus attack when they don't drain sufficiently rapidly. ...
Colin Beckingham's user avatar
1 vote

White bumps on carambola (starfruit) stems - pest or infection?

mine are 6ft tall now. this only happens near the new growth. suspect some kind of relatively harmless edema. happens less if i water them less. growing them under lights indoors in the UK. relative ...
mike's user avatar
  • 11
1 vote

Does anyone know what this is on my plum tree?

It is a slime mould I found the same thing on my dead oak tree and it is called Enteridium Lycoperdon I think and it is a false puff ball I think. I hope this is good information. 😊
Jenna's user avatar
  • 11
1 vote

What are these spots on my new bamboo palm?

In the South, in a coastal climate, Phyllostachys can develop brown spots on the canes due to a harmless fungus. There have also been reports in the Southeast of a disease that top kills bamboo, but ...
Anthony's user avatar
  • 11
1 vote

What are these specks of white fuzz in some of my potting soil?

I am more inclined to agree with those white bits as fungus. I just found some in my pot that has been indoor in the last 3 months. They suddenly appeared after I tried introducing moisture to my ...
Enny's user avatar
  • 11

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