Questions tagged: scale

Missing
Ted
Answer: Hi Ted, cut the fern back to 1cm above soil level and spray or squash any remaining scale you can see. Fertilise with half-strength soluble Aquaso...
Category: Diseases
Tags: scale
Answered: 12:56PM, 24 Mar 2010
Missing
Vaneta
Answer: Hi Vaneta, Thank you for attaching the photographs as this makes identifying the problem much easier. Both plants have a severe infestation of scal...
Category: Diseases
Tags: scale, Cycad
Answered: 10:29AM, 25 Oct 2011
Missing
Nicole
Answer: Dear Nicole, It does sound like you have rose scale on the stems of your roses. This scale is mainly found on the stems and branches. You don̵...
Category: Diseases
Tags: scale, roses
Answered: 01:55PM, 27 Oct 2011
Missing
Leslie
Answer: Hi Leslie, Confidor is effective against scale and will not harm the juniper plant. You may need to apply a second application in a fortnight if th...
Category: Diseases
Tags: scale
Answered: 02:02PM, 21 Nov 2011
Missing
Fa
Answer: Hi Fa, The lemon tree has been attacked by scale which will affect the health of the plant. These insects suck the sap from the plant and excrete a...
Category: Diseases
Tags: lemon tree, scale
Answered: 03:03PM, 29 Dec 2011
Missing
Sandra
Answer: Hi Sandra, Scale does not necessarily fall off once it has been killed. To check if it has died scrape a few with your finger nail and it they are...
Category: Roses
Tags: scale
Answered: 01:43PM, 16 Jan 2012
Small_100_0063
Anna
Answer: White wax scale are difficult to control when they are large and have a thick covering. The best time to treat this scale is during Spring when th...
Category: Diseases
Tags: scale
Answered: 11:44AM, 02 Apr 2012
Missing
Anthony
Answer: Hi Anthony, The small lumps covering the Callistemon are probably scale insects. These insects have a waxy coating and produce a sugary substance ...
Category: Pests
Answered: 10:07AM, 13 Apr 2012
Missing
Pauline
Answer: Hi Pauline, The pest appears to be scale. Pest oil or Confidor can be used to control this pest but you will have to repeat the spray at least 2 to...
Category: Pests
Tags: scale
Answered: 02:13PM, 04 May 2012
Missing
Sue
Answer: Hi Sue, It is probably white scale which can be controlled using White oil. After the leaves have dropped and the weather has cooled down you can ...
Category: Diseases
Tags: scale
Answered: 04:30PM, 04 May 2012
Missing
Rosemary
Answer: Hi Rosemary, The black powder on the leaves is called sooty mould. It is normally produced when an insect pest is present such as scale or mealy b...
Category: General
Tags: scale, Holly
Answered: 03:20PM, 07 May 2012
Missing
rhonda
Answer: Hi Rhonda, Scale is a sap sucking insect. If you do not have a large infestation, the scale can be removed by hand. If the infestation is large y...
Category: Diseases
Answered: 02:29PM, 03 Oct 2012
Missing
Virginia
Answer: More than likely these black spots are sap sucking scale. Control these pests with Confidor.
Category: Diseases
Tags: scale, gardenias
Answered: 01:33PM, 08 Oct 2012
Missing
Richard
Answer: Hi Richard, I am wondering if the tree has scale on it. Scale is a sap sucking insect which can be found on the stems, twigs and limbs of shrubs a...
Answered: 03:48PM, 11 Jan 2013
Missing
Lindsey
Answer: Hi Lindsey, The yellow patches may be caused by scale. Often the scale can be found on the underside of the leaf and can be scratched off with a f...
Answered: 09:24AM, 02 Jan 2014
Missing
matthew
Answer: Hi Matthew, Normally when this happens you have an infestation of scale. Controlling scale early helps to be able reduce its numbers . You can use ...
Category: Diseases
Tags: scale
Answered: 02:13PM, 15 May 2014
Missing
nikki
Answer: Hi Nikki, You have a pest called scale,they are a sap sucking insect and can be treated by using pest oil. Make sure when you use pest oil that you...
Category: Pests
Tags: scale
Answered: 01:40PM, 30 Sep 2014
Missing
Adam
Answer: Yates Mavrik gun is not registered for use on scale or for sooty mould. Yates scale gun would be effective in controlling the scale. Alternatively ...
Category: Pests
Answered: 03:00PM, 23 Mar 2015
Missing
Scott
Answer: Looks like to have a nasty infestation there. You definitely have scale and sooty mould. The leaf deformations look like psyllids. For this sized i...
Answered: 09:59AM, 25 Mar 2015
Missing
Shirley
Answer: You’ve got a pretty nasty infestation of Cottonycushion Scale. The only product we have which is registured for soft scale is Yates White Oil...
Category: Pests
Answered: 04:23PM, 23 Apr 2015
Missing
Jean
Answer: It looks like you have a bad scale infection. These sap sucking insects produce a substance called honey dew which ants love to eat but it also cau...
Answered: 04:23PM, 07 May 2015
Missing
Sally
Answer: Scale can be a difficult problem to control. White oil controls scale by covering the insects breathing pores and suffocating it. This means that a...
Category: Pests
Answered: 01:07PM, 28 May 2015
Missing
John
Answer: It looks like you have a bit of a problem with scale. Scale are sap sucking insects that form a waxy shield as they grow which protects from predat...
Category: Diseases
Answered: 03:52PM, 28 May 2015
Missing
petra
Answer: Hi Petra, gardenias will often get sooty mould when there are scales and aphids around so have a look for these pests and use pest oil and eventual...
Category: Diseases
Tags: scale
Answered: 08:47AM, 09 Jul 2015
Missing
John
Answer: Hi John, That looks like soft scale to me. You can treat it with Yates Pest Oil which is widely available at hardware stores and garden centres. Ki...
Category: Diseases
Tags: scale
Answered: 02:01PM, 04 Sep 2015
Missing
tristan
Answer: Hi Tristan, Are the spots hard shell-like or more pustules? I believe it’s most likely that it’s a scale insect. If that is the case, i...
Category: Vegetables & Herbs
Tags: Bay, scale
Answered: 02:47PM, 01 Oct 2015
Missing
Katy
Answer: Hi Katy, That is scale and the sooty mould is a result of their sticky excretions. Both problems can be treated by spraying the affected plants wit...
Category: Pests
Answered: 01:53PM, 10 Nov 2015
Missing
Belinda
Answer: Hi there it looks like a problem called scale which are tiny little hard shelled insects. they can be treated by using pest oil but being so young ...
Category: Pests
Tags: scale
Answered: 04:35PM, 15 Dec 2015
Missing
Dean
Answer: Hi Dean It looks like you have some scale on your fig tree. You can control that with some PestOil. You will need to reapply it about every fortnig...
Category: Pests
Answered: 08:44AM, 29 Dec 2015
Missing
Frank
Answer: Hello Frank, You appear to have a classic case of citrus under attack! I would suggest citrus leaf miner and scale are your two main issues here. Y...
Answered: 07:33PM, 23 Jan 2016