White Spot On Japanese Maple Leaves: 78 Interesting Facts

White Spot On Japanese Maple Leaves will be the topic of our conversation on this particular occasion. There is, without a doubt, a great deal of information pertaining to A Guide to the Different Types of Japanese Maple Trees available on the internet. As a result of the rapid development of social media, it is now much simpler for us to acquire new information.

There is a connection between the pieces of information pertaining to Japanese Maple Tree Diseases Pictures, How Do You Treat White Spots On Japanese Maples, and Japanese Maple Tree Diseases Pictures. Regarding the other items that need to be searched, one of those things is concerning White Spots On Red Maple Leaves, which will also have something to do with Japanese Maple Has Holes In Leaves – What Is Causing It?.

78 Fun Facts White Spot On Japanese Maple Leaves | White Fungus On Japanese Maple Leaves

• This is an ideal environment for this kind of pathogen. Next, the leaves affected by the fungus turn black. But at the same time, the leaf remains alive because the food of the fungus is the secretions and not the leaf. - Source: Internet
• Girdling Roots: If a tree shows symptoms of poor vigor such as small leaves, death of small limbs, top dieback, or leaf scorch, the condition could be due to girdling roots. This problem occurs when a root entwines around another large root or the base of the tree and prevents or hinders water and nutrient movement. Often girdling roots occur below ground level, indicated by a lack of root flare at the base of the trunk. - Source: Internet
• A dying Japanese maple is often because of fungal diseases pathogens that thrive in overly damp soils. Saturated soil promotes the conditions for root rot which cause dying Japanese maples. Too much wind, sun and not enough water also causes maples to have brown, wilted leaves and a dying appearance. - Source: Internet
• ‘Carlis Corner Broom’ has bright pink leaves in the spring that shift to dark burgundy in the summer. By fall, the foliage is dark red. ‘Skeeter’s Broom’ has bright red foliage that turns bronze in the fall. - Source: Internet
• The container should be no more than twice the size of its rootball. It needs good drainage. A terracotta pot works well since Japanese maples do not do well in soggy soil and terracotta wicks away extra moisture. Repot once roots reach the sides and bottom of the pot, generally every couple of years. - Source: Internet
• Starting with the removal of significantly damaged leaves, dispose of them far from any other plants. Search for pest indicators like scale. If you notice them, it’s time to treat the tree with your preferred pesticide. - Source: Internet
• Keep them from taking over your tree. Dispose of any severely damaged leaves. Wash the mites off the branch with a spray of water if they are just on one little branch. - Source: Internet
• Aphids are exceedingly challenging to eradicate using insecticides. One aphid left alive has the potential to establish a new colony immediately. These pests can severely damage the appearance of a maple tree, but they will not kill the tree. - Source: Internet
• If neglected, these holes could cause more severe issues for your tree and force you to make challenging decisions about what to do next. To properly care for your tree, you should know about a few Japanese maple pest issues. This article will cover the causes and solutions for holes in your Japanese Maple. - Source: Internet
• You can apply neem oil as soon as aphids appear and repeat every seven to ten days. If there are only a few aphids, you can crush them with your fingertips or wash them off with water. If widely dispersed, apply insecticidal soap on the leaves. - Source: Internet
• Once planted, water it deeply and regularly for the first two growing seasons until it is well established. If the tree gets at least 1 inch of rain per week, it doesn’t need supplemental water. Newly planted Japanese maples, however, need at least 10 gallons of water per week released slowly, so it reaches the entire root system. Plan on giving water twice a week during normal weather and three or even four times a week in sweltering weather or drought. - Source: Internet
• Trees in the aureum category stand out because of the color of their foliage. The leaves are bright yellow or orange in the spring before turning yellow or lime green during the summer. They then fade to a pale chartreuse in the fall. - Source: Internet
• Japanese maples often referred to as yucca, are unique and lovely trees that are endemic to that country. The question of what produces holes in Japanese maple trees is straightforward. The leaves frequently exhibit hollowing out of their distinctive cedar-like outer layer. - Source: Internet
• While this adds a nice bit of color and contrast to a wintry landscape, these plants also tend to suffer from branch dieback. ‘Sango-kaku’ is the one you’ll most commonly see. ‘Sango-kaku’ It has bright coral bark that contrasts with the lime green leaves. Nature Hills Nursery carries this striking tree in #2 containers. Defining characteristic: Bark is coral, orange, yellow, or red in winter. - Source: Internet
• Any heavy pruning should occur in winter during dormancy. For shaping, prune in late spring once the leaves emerge. Prune to remove dead branches. Also, use clean cuts with disinfected tools between each tree trimmed. - Source: Internet
• Because ‘Red Dragon’ Japanese maple is a very compact tree and grows so slowly, you can plant it in a large planter or train it as a bonsai. When growing it in a container, beware of too much sun and heat. Like all container plants, it will need more frequent watering. - Source: Internet
• Aphids are soft-bodied insects with lengths up to 1/8 inch. Usually, you can find them on leaves, twigs, or bark. Aphids spread from one branch to the next because Japanese maples are broad trees with projecting leaves. - Source: Internet
• Controlling scales can be challenging, especially on trees like Japanese maples. Scrape the insects off the branch and throw them farther from the garden if there are only a few presents. You may use insecticidal soap to get rid of scale species. - Source: Internet
• The branches of a fully mature ‘Red Dragon’ maple cascade to the ground giving it an eye-catching grace and the common name of laceleaf weeping maple. Their colorful foliage makes them focal points in every landscape. Most Japanese maples take eight years or longer to reach full growth. A young ‘Red Dragon’ is a beautiful specimen plant in the garden with stunning foliage regardless of the tree’s age. - Source: Internet
• Gather the caterpillars and throw them out of the yard as a kind of control. Spray the leaves with Bacillus Thengiensis, which is entirely safe for the environment. If the above techniques weren’t successful, you should spray the leaves with an aqueous pesticide solution. - Source: Internet
• Root illnesses can cause wilting leaves, such as a fungal infection like verticillium, Phytophthora, or root collar cankers or wounds. Soil nematodes also feed on roots, creating openings for fungus to get into the root system. Often, too much water is to blame for root rot and water-based molds infecting the tree. - Source: Internet
• Sapstreak gets its name from the dark staining that forms in a star-shaped pattern on the rings of a tree’s chopped trunk. It threatens sugar maples specifically, entering through damaged roots. Once inside, the sapstreak fungus prevents water and nutrients from reaching branches and leaves. - Source: Internet
• This is one of the most common but hazardous pests for the Japanese maple species. They have a white armored crust on top, within which the pests hide for protection. Their white armors are easy to spot when present on the stems and dark bars. Since they suck plant sap from within the stems and bark, you can see the leaves wilting earlier than the expected time, drying barks, and death in case of extreme infestation. - Source: Internet
• Originally, J.D. Vertrees, a highly respected entomologist, grower, and educator based in Oregon who is generally thought of as one of the most knowledgeable Japanese maple experts in the West, grouped the plants into seven categories. - Source: Internet
• Your Japanese Maple may get holes in its leaves because of pests, heat, and if a tree is still young. Bugs, scale, mites, aphids, caterpillars, vine weeds, and worms are some leaf-eating pests that attack maple trees. If these frequent leaf feeders are overlooked, they can also attack the stems and kill the plant. - Source: Internet
• Japanese maples are attractive trees that may contribute a lot to your environment. However, there are several issues you may encounter with them. You might discover some holes in the leaves of your Japanese Maple, which might indicate something more serious. We’ve researched this topic and found why Japanese Maple leaves have holes. - Source: Internet
• Clearly, there was a gap in the Japanese maple world that led to some labeling confusion. Enter the Maple Society. Using their system, you’d know if you were looking at a correctly labeled atropurpureum that it would stay red all summer long. - Source: Internet
• I have recently bought an acer from a garden centre which I planted in my garden. I also bought a smaller version which I have in a pot. Both have developed white spots on the leaves which look like drops of paint and don’t rub off. Looking on the internet it sounds as though it’s a fungal infection called phyllostica and various remedies are suggested none of which appear to be available in the UK - any suggestions anyone? - Source: Internet
• Common Name ‘Red Dragon’ Japanese maple, laceleaf maple, laceleaf weeping maple Botanical Name Acer palmatum var. dissectum ‘Red Dragon’ Family Sapindaceae Plant Type Tree Mature Size 10 ft. tall, 10 ft. wide Sun Exposure Partial Soil Type Loamy Soil pH Acidic Bloom Time Spring Flower Color Red Hardiness Zones 5-8 (USDA) Native Area Cultivar, no native range - Source: Internet
• It is best to plant ‘Red Dragon’ Japanese maple where it gets morning sun and afternoon shade. A location where it is protected from the midday sun by a fence or a building is a good option. Another option is to plant it as an understory tree, so it grows in the dappled shade of a large deciduous tree with an open canopy. Its leaves are very thin and delicate; too much hot, direct sun will scorch them. - Source: Internet
• : The Rhytisma fungus (r. punctatum) Treatment : None. Prevention is the best method; clearing away infected leaves that have fallen to the ground also lessens the chance of maple spider mites and box elder bugs hiding and multiplying in the leaf litter. - Source: Internet
• Typically, maple trees live up to 300 years, but sometimes they fall prey to illness. These can include diseases such as tar spot, verticillium wilt, anthracnose, leaf scorch, powdery mildew, and lichen, to name a few. Treatment ranges from pruning dead branches to removing the entire tree and fumigating the soil to doing nothing at all, depending on the infection. - Source: Internet
• The caterpillars frequently harm Japanese Maple leaves. Caterpillars known as bagworms reside in characteristic spindle-shaped silk bags lined with tiny fragments of the host plant’s leaves. The caterpillar’s butterfly larvae form will look for simple plant material to digest, typically plant seedlings. - Source: Internet
• Leaf Scorch: On maple (Acer species) trees, a number of problems cause symptoms that are generally classified as leaf scorch. Scorch symptoms are light brown or tan dead areas between leaf veins or around the leaf margins. Occasionally the leaf margins are yellow or chlorotic. Scorch symptoms tell us that one or more of the following factors are affecting the tree: - Source: Internet
• For cosmetic imperfections like leaf discoloration and bark growth, professional treatment is not necessary. But if your maple contracts a disease, such as verticillium wilt, root rot, or sapstreak, don’t try to DIY this job. Contact a local arborist for the best chance to save your tree and enjoy its beauty for years to come. - Source: Internet
• Small holes may result from water droplets on leaves exposed to the hot afternoon heat. Be careful to start your irrigation system early in the morning. This way, the foliage can dry before being harmed by the afternoon light. A Japanese maple should always be watered from the root. - Source: Internet
• This group can be a little confusing, since the most common species of Japanese maples is A. palmatum. But in this case, this grouping can include other species as well. - Source: Internet
• The soil needs to be evenly moist, well-drained, and rich in organic matter. Japanese maple does best in loamy, slightly acidic soil (pH 6.2 to 6.5). If your garden soil is alkaline (measure your pH if you are unsure), add chelated iron to the soil once a year to increase its acidity. - Source: Internet
• ‘Trompenburg’ is a perfect example. It has deeply lobed, dark maroon leaves, the lobes of which bend back from the midrib or veins. It stays under 20 feet tall. - Source: Internet
• The weevil’s body is larger than the bodies of other insects. They can severely damage a sizable portion of the leaf plate. They frequently gnaw on the edges of the holes in the leaves. - Source: Internet
• There are as many maple tree species as Bubba Gump has ways of making shrimp; silver maples, red maples, Japanese maples, Norway maples, etc. Their scientific name is Acer of the family Sapindaceae. Maples are excellent shade trees, but unfortunately, like oaks, sycamores, and all other trees, they suffer from diseases. - Source: Internet
• You must first identify the root of the problem if your Japanese maple leaves have holes. Neem oil or a pesticide will typically eliminate the pests and resolve the issue. You should check that these problems don’t recur so you can care for the tree. - Source: Internet
• The pathogens enter through frost-damaged buds. At this point, the blackening of the branch occurs and the upper part of the branch dies off. If the leaves have already appeared, they also dry out and die off. - Source: Internet
• To call ‘Ukigumo’ a variegated plant doesn’t do it justice, though. This A. palmatum cultivar, also known as ‘Floating Clouds,’ looks almost ghostly white, with pale whitish-pink foliage that fades gradually to green in the center of each leaf. - Source: Internet
• ‘Kumoi Nishiki,’ also known as Siebold’s maple, (A. sieboldianum) has beautifully dappled leaves that feature a blend of creamy white and apple green. This plant stays under 10 feet tall. - Source: Internet
• Maple trees are symbolic of strength, endurance, balance, and longevity. Unfortunately, stealthy attackers attempt to sap these trees of their splendor, but we’ll help you identify maple tree diseases and how to treat them. Perfect as specimen trees or lining a long driveway, you can’t deny their beauty and majesty. - Source: Internet
• . This can be a fence or additional plants or shrubs that provide a buffer to any drying winds. Increase the amount of shade . This is only if your Japanese maples in in full sun. If it has morning sun followed by shade during midday and the afternoon or dappled light throughout the day then this is a good balance. Japanese maples in full sun require shade to stay healthy. - Source: Internet
• Prevention & Treatment: The most effective control is to replant with resistant trees. Spraying three times at two-week intervals with a copper-based fungicide, mancozeb, chlorothalonil, or thiophanate methyl starting when the leaves begin to unfurl in spring will provide control (see Table 1 for specific products). Read and follow all directions on the label. - Source: Internet
• If grown in a container, overwinter potted Japanese maples in a protected spot after foliage drops in the fall. You can move the container to an unheated garage or basement where temperatures remain above freezing (an attached garage works great). No light is needed when the tree is dormant. Keep the soil moderately moist until returning the maple outdoors in the spring. - Source: Internet
• The most common cause of leaf browning or twig dying is insufficient water. A water-starved Japanese maple will go downhill quickly. Water heavily to restore its vigor and give water regularly to prevent a recurrence. - Source: Internet
• Asian Ambrosia Beetles: Japanese maples are among the more common hosts of the granulate ambrosia beetle (Xylosandrus crassiusculus), with other hosts including styrax, ornamental cherry (especially Yoshino), pecan, peach, plum, dogwood, persimmon, sweetgum, magnolia, fig, Chinese elm, and azalea. This pest is attracted not only to damaged, stressed, or transplanted trees but to seemingly healthy trees as well. The beetle becomes active in early March (or earlier), and the female beetles bore into trunks or branch wood of thin-barked hardwood trees. Once a tree has been attacked, it becomes more attractive to further attack. Often these trees are less than four inches in diameter. - Source: Internet
• Like aphids, soft scales, such as Pulvinaria species, also excrete honeydew. The growth of the sooty mold fungus on the honeydew results in leaves that are dark grayish-black. Armored scales, such as Melanaspis tenebricosa, do not excrete honeydew, as they feed differently than the soft scales. - Source: Internet
• While most variegated Japanese maples are green, ‘Shirazz’ is primarily red. In the spring, the leaves are dark red with light pink margins, before turning slightly greenish-red in the center with pink margins. This cultivar grows up to 15 feet tall. - Source: Internet
• ‘Diana’ is a good example. This tree stays compact at under three feet. It has green foliage with a pink and white margin. - Source: Internet
• ‘Red Dragon’ Japanese maple is susceptible to several fungal diseases, such as stem canker, leaf spots, fusarium wilt, verticillium wilt, botrytis, anthracnose, and root rot. Most of these diseases will resolve if the tree gets proper care. However, if the plant is young or deeply affected, these diseases can kill the plant. To prevent these diseases, prune annually, remove dead or dying leaves and twigs, and replace the mulch annually. - Source: Internet
• The foliage on affected trees turns brown, particularly around the tips and margins. It is often followed by the leaves curling and shrivelling. In some cases whole leaves can become entirely crispy and there may be some minor die-back of branches. - Source: Internet
• : None. Prevention is the best method; clearing away infected leaves that have fallen to the ground also lessens the chance of maple spider mites and box elder bugs hiding and multiplying in the leaf litter. Season: Late summer, early fall - Source: Internet
• ‘Bloodgood’ is perhaps the most famous cultivar of this category, and you’ll often find it for sale at nurseries and home supply stores. This tree grows about 20 feet tall and 15 feet wide. The foliage is deep, dark red and the leaves are deeply lobed with five “fingers.” ‘Bloodgood’ By the way, if you want to bring home a ‘Bloodgood,’ Nature Hills Nursery carries them in quart-sized containers. Defining characteristic: Summer foliage color is red or purple. - Source: Internet
• If it’s well before fall, and you notice your ‘Red Dragon’ Japanese maple is losing its leaves or you see leaf spots, it can signify fungal infection like anthracnose or Phyllosticta leaf spot, a bacterial tip blight, or a Japanese beetle infestation. You can spray insecticidal soap and horticultural oil to eliminate the beetles, but the diseases are harder to remedy. In most cases, you will need to destroy your plant to prevent spreading the infections to your other plants. - Source: Internet
• Aphids are sucking pests, often found in the leaves of the Japanese maples. These insects are relatively small and hard to identify. They take nutrients from the leaves, causing them to dry and fall off. Besides, the infestation usually occurs at a large scale, and multiple leaves are affected simultaneously. This reduces the canopy volume and minimizes the brilliance of the leaves. - Source: Internet
• This is one of the most concerning problems with Japanese Maple, where an entire branch can be affected. The initial symptom is discoloration of leaves and dying. Then, it will spread gradually to other healthy leaves on the same branch, affecting the branch itself. If not removed at the initial sighting of the symptom, the maple bonsai won’t last for a long time. - Source: Internet
• Verticillium wilt is a fungal infection of the soil that penetrates tree roots and attacks a maple tree’s vascular (or circulatory) system. When this happens, water and nutrients are unable to reach branches and leaves. Dead leaves will fall to the ground and the soil reabsorbs the fungal disease, potentially setting off a wider verticillium wilt infestation. - Source: Internet
• Typically Japanese maples outdoors can handle temperatures down to -15 F without much trouble; however, container plants and young trees need some protection. Generally, do not fertilize past mid-summer because it spurts new growth that is vulnerable to cold damage. Second, give the tree a lot of water before the first frost, especially if fall has been light on rain. Next, provide a 4-inch pile of mulch around the tree’s base, extending just past the drip line. - Source: Internet
• Different types of powdery mildew affect different types of maple trees. In every case, this disease is not harmful because the powdery substance sits on leaf surfaces. The root system is never invaded and the powdery mildew fungus does not eat away at the leaves. - Source: Internet
• Most varieties of Japanese maples that are sold in garden centers prefer acidic soil with a pH of between 5.5 and 6.5 (pH 7 is neutral, any number below is acidic and any number higher then 7 is alkaline). - Source: Internet
• . This is only if your Japanese maples in in full sun. If it has morning sun followed by shade during midday and the afternoon or dappled light throughout the day then this is a good balance. Japanese maples in full sun require shade to stay healthy. Water the maple generously and apply mulch. To help conserve moisture apply a one inch layer of mulch around the base of your maple of compost or leaf mould. - Source: Internet
• : Varied, depending on maple species. Includes shriveled leaves, discolored streaks on leaf veins, and curled leaves with brown spots. Causes : Several fungi, including Discula and Kabatiella - Source: Internet
• Your maple appears to be suffering from powdery mildew. Until recently, Norway maples in North America were free of this disease, but over the last ten years or so, it has become very common. It’s believed that the fungus Sawadaea bicornis, common on this species in its native Europe, was accidentally introduced into North America and has now spread to much of the continent. - Source: Internet
• This is one of the most common diseases that most Japanese maple bonsais are affected by. Here, the top surface of the leaves forms a white, powdery layer caused due to mildew fungus. If you have kept the bonsai in a humid area or under direct sunlight, the chances of powdery mildew grow by ten times. The related fungus also thrives when the leaves of the maple bonsai don’t receive enough air. - Source: Internet
• Usually, the spores of this fungus are found in plant debris on the ground. When wet and warm weather arrives, the spores become active. As a result, the leaves may be severely damaged but the tree will not suffer much. - Source: Internet
• Prevention & Treatment: The fungus survives the winter in fallen leaves. Rake up and discard the leaves in the fall. Spraying three times at two-week intervals with a copper-based fungicide, mancozeb, or triadimefon starting when the leaves begin to unfurl in spring will provide control (see Table 1 for specific products). Read and follow all directions on the label. - Source: Internet
• ‘Red Dragon’ Japanese maple can withstand moderate humidity, but the tree does not do well in hot temperatures above 90 degrees Fahrenheit. Hot dry wind can damage the tender leaves and scorch them. The tree tends to leaf out early, which can also damage the young leaves in the event of a late frost. Similarly, the tree can suffer winter damage from chilly gusts in windy locations, so pick a spot that offers protection. - Source: Internet
• Anthracnose is a fungal disease usually caused due to high humidity during the rainy seasons. Here, the fungus attacks the leaves and stems, forming spots throughout. Even if you prune the affected leaves and stems, the fungus will remain attached to the pruned plant parts. As a result, they can thrive on them before releasing the spores. Hence, if one leaf of the Japanese Maple is affected, all other parts will suffer from the disease if proper care is not taken. - Source: Internet
• ‘Red Dragon’ Japanese maple should not be fertilized upon planting. When the tree is planted in rich soil with plenty of organic matter and the foliage is healthy, regular feeding might not even be necessary. If you apply fertilizer, do it in the spring and use a slow-release granular or pelleted shrub and tree fertilizer. Mix it at half the recommended rate landscape trees. Do not use liquid or nitrogen-heavy fertilizer (10-10-10) because it can burn the roots and will make the tree grow too much foliage too fast, which is counter to its nature and leads to weak, breaking leaves. - Source: Internet
• A good example is ‘Deshōjō.’ It has striking bright pink leaves with green centers in the spring before turning bright red and then fading to green. The leaves have five or seven lobes. - Source: Internet
• When planting, the roots need to be spread out to discourage the circular growth habit. Aim the roots outwards so they do not strangle themselves, a common problem for many maples. ‘Red Dragon’ Japanese maples are slow growers, so not pruning them and letting nature take its course is part of the charm. - Source: Internet
• Prized for their display of fiery fall foliage colors, maple trees are suitable for diverse settings. They are also susceptible to a fungal disease called powdery mildew that can cause cosmetic damage and diminished health. When you notice what resembles a white powder on your maple leaves, you are looking at the telltale sign of infection. Home gardeners should snap into action as soon as symptoms appear to prevent the damage, which includes yellowing, distortion and early drop of leaves. - Source: Internet
• Since powdery mildew is carried by the wind and is already present in city plantings all around you, you’ll find no particular advantage to destroying affected leaves rather than using them as mulch. Moreover, shredding the leaves will destroy many of the spores and most of others will die when the chopped leaves decompose as just they do in contact with the soil. Composting too will destroy most spores. - Source: Internet

To get you started, here are some pointers to consider when searching for information regarding How To Treat Fungus On Japanese Maple: - Do some research to find White Fungus On Japanese Maple Leaves-related information from reputable sources. This may include professional journalists, as well as online libraries and other websites. - When looking for information regarding A Guide to the Different Types of Japanese Maple Trees, it is crucial to be aware of the various types of sources that can be found through electronic media. Some examples of these types of sites include Google and YouTube. There is also the possibility of obtaining information about Phyllosticta Leaf Spot Japanese Maple from various social media sites, such as Facebook and Twitter. This is another another potential source.

Video | White Spot On Japanese Maple Leaves

Reading and doing research on the authenticity of each source are both essential if you want to discover the greatest information there is about Japanese Maple Bonsai Tree Diseases And Pests. Your understanding of Leaf Spot Japanese Maple will be improved by watching the many videos on Diseased maple tree leaf Stock Photos and Images that are included in this page. These films come from a variety of different sources. Finding knowledge on a wide range of subjects is made much simpler by making use of the internet as a resource.

## Here are some crucial points concerning How To Treat Fungus On Japanese Maple:

• White Spot On Japanese Maple Leaves
• White Spots On Japanese Maple Leaves
• White Spots On Red Japanese Maple Leaves
• White Dots On Japanese Maple Leaves
• White Spots On Red Acer Leaves

You won’t have any trouble finding the information you’re looking for because there are so many websites and forums on the subject of How to Grow and Care for Red Dragon Japanese Maple. When it comes to obtaining information on White Spots On Japanese Maple Tree Leaves, the majority of individuals are more accustomed to using a different route. It enables a more in-depth look at the information regarding White Spots On Red Maple Leaves’s content and how it may be used, which is really helpful.

strategies to design information displays that are both aesthetically pleasing and functional that pertain to Tar Spot On Japanese Maple. They are useful in commercial and marketing settings, and they can also be put to use to convey information on Tar Spot On Japanese Maple. As a result, we also supply some photos pertaining to How To Treat Fungus On Japanese Maple.

In summary, this article offers a comprehensive analysis of Japanese Maple Tree Diseases Pictures. In addition, Japanese Maple Tree Diseases Pictures and white spot on japanese maple leaves are mentioned here as a comparison of your knowledge regarding white spots on japanese maple leaves.