Symptoms and Control Methods of Leaf Blight in Maidenhair Fern

Symptoms

Scale insects are a common pest of maidenhair fern, and are extremely likely to occur in warm, humid conditions with poor ventilation. When affected, white bumps can be seen on the leaves, the leaves droop and wither, and in severe cases the entire leaf turns scorched yellow.

Control methods

Maidenhair fern has many leaves, making it very difficult to check every leaf for scale insects, so when scale insects are found, simply cut off the affected leaves.

For chemical control, insecticide (available at flower and bird markets) can be applied to the soil around the roots, usually 2~5 grams per 10~15 cm. Alternatively, when the disease occurs, spray a 1000-fold dilution of omethoate emulsifiable concentrate, once every 5~7 days, for 2~3 consecutive sprays.

Control of maidenhair fern diseases

  Maidenhair fern (scientific name: Adiantum capillus-veneris L.), family Adiantaceae, is a perennial herb, 0.1-0.6 m tall. Because its stems are slender and resemble iron wire in color, it is named maidenhair fern. Maidenhair fern is also an indicator of calcareous soil. Because it fears dryness and strong light, it must be placed in a spot without direct sunlight for care.

  It is widely distributed in Taiwan, China, Fujian, Guangdong, Guangxi, Hunan, Hubei and other places, often growing on limestone beside flowing streams or on limestone cave floors and dripping rock walls. It is an indicator plant of calcareous soil, at an altitude of 100-2800 m.

[Maidenhair fern] Maidenhair fern pictures, what are the uses of maidenhair fern

At the beginning, the editor will first introduce some uses of maidenhair fern, and then introduce some maidenhair fern varieties.

Medicinal value: The whole plant of maidenhair fern can be used as medicine; it can clear heat and detoxify, and also drain dampness and reduce swelling, promote urination and treat strangury, and can also be used for dysentery, etc. It usually has good therapeutic effects on lung-heat cough, hepatitis, venomous snake bites, and traumatic injuries

Ornamental value: Maidenhair fern likes shade, has strong environmental adaptability, and is very easy to cultivate. It is very suitable for year-round potted cultivation and viewing indoors. If it is a small pot, we place it on a desk or coffee table, while larger pots are used to decorate corridors or living rooms, etc. Moreover, the leaves of maidenhair fern are also good materials for cut foliage and dried flowers; combined with fresh flowers in a vase, they have excellent ornamental value for beautifying the home environment.

Having introduced the uses of maidenhair fern, now the editor will introduce some knowledge about different varieties of maidenhair fern and attach pictures of different maidenhair ferns to help you distinguish them.

Fan-leaved maidenhair fern: The leaves are fan-shaped to irregularly broad-ovate, with 2~3 palmate branches to pedate dichotomous branching; the middle pinnae are the largest, and the pinnules have somewhat short stalks.

Whip-leaved maidenhair fern: Also called hairy maidenhair fern, the leaves are linear-lanceolate, about 10~25 cm long, with the tip often extended into a whip shape that can root upon touching the ground.

Wedge-leaved maidenhair fern: The leaves are broadly triangular, with 2~4 times pinnately divided leaves, and the lobes are rhombic or oblong.

Maidenhair fern has a very wide distribution range, found in tropical and warm regions of Africa, America, Oceania, Asia, etc., and is widely distributed in Taiwan, China, Sichuan, Jiangxi and other warm tropical areas of China. When cultivating maidenhair fern, we should pay attention to its pest and disease control. The main disease of maidenhair fern is leaf blight; in the early stage of the disease, we can spray diluted Bordeaux mixture 1~ times for control. The main pest is scale insects, which we can kill by spraying 50% malathion diluted 1500-fold, or 2.5% deltamethrin diluted 3000-fold.

Also, the leaves of maidenhair fern tend to develop brown scorched edges in daily care. We should then think about whether we have failed to place the maidenhair fern in a shaded environment, or whether it has been exposed to direct sunlight. If these problems occur, we should place the maidenhair fern in a semi-shaded spot for cultivation, cut off the fermented leaves, and promptly spray water on the leaf surfaces and the surrounding ground, while trying to avoid repeated stimulation by strong light.

When maidenhair fern is improperly cared for, the leaves may also turn black. This may be due to excessive shade, having gone without sunlight for a long time. Although maidenhair fern fears summer heat and cannot be exposed to the sun, it also cannot be kept fully shaded. In summer, it is best to place it under a shade shed or a large tree, or move it outdoors at night and back indoors during the day. In winter, it should receive sufficient light. Another possibility is improper fertilization. Maidenhair fern likes humus-rich sandy loam and needs sufficient fertility. We can add some charcoal powder and brick crumbs to the potting soil to improve

Summary: The above is a summary by the editor of some precautions for cultivating maidenhair fern, as well as its value, etc. After seeing the maidenhair fern pictures attached by the editor, don't you can't help wanting to grow a few? What are you still hesitating about? If your heart is moved, take action.

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