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What species of aphids harm pear trees?
The aphids that harm pear trees are mainly 3 species: the pear two-tailed aphid, the pear yellow powdery aphid, and the Chinese pear original-tail aphid. These 3 aphids harm only pear trees; the two-tailed aphid and the yellow powdery aphid occur commonly and severely, while the original-tail aphid rarely occurs and causes lighter damage. Their morphological differences are as follows: (1) Pear two-tailed aphid: ① The wingless viviparous female aphid is 2 mm long, green or dark green...
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Step into the bonsai garden and admire the unique charm of bonsai art
Admire the bonsai garden and promote traditional Chinese bonsai culture. Like this article? Share it right away so more people can know about it! This site is rich and substantial in content, broad and profound, and our editors select the hottest daily news, updated at any time. Click "Be the first...
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These several kinds of flowers at home are extremely harmful to your health, no matter how beautiful they are, you should throw them away
Pothos (Epipremnum aureum) is very popular now because it can absorb harmful gases, and many people like to keep a pot at home or in the office, but pothos is also toxic! The sap of pothos is likewise toxic, and getting it on the skin will cause redness, swelling and itching, ...
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Be Alert to the Harm of a New Watermelon Virus, Growers Should Pay Attention to Early Prevention and Control
A quarantine viral disease, Cucumber green mottle mosaic virus, has been detected. Taking precautions is warranted, but pulling up plants and replanting without any reason is unnecessary. Here, we introduce this newly emerging viral disease. Cucumber green mottle mosaic virus has a relatively narrow host range, occurring mainly on cucurbits...
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The Harm of Strawberry Verticillium Wilt and Its Comprehensive Control Methods
Strawberry Verticillium wilt is a soil-borne disease. It has been an important factor affecting and troubling the expansion of strawberry production in recent years. Because strawberry is a perennial plant, continuous cropping in the same field for many years causes a large accumulation of pathogens in the soil, and combined with factors such as declining varietal disease resistance and poor field management, it leads to strawberry...
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Stone mills were once a household necessity, and with a bit of remodeling they take on a distinctive charm
Summary: The old stone mill in the rural hometown can be turned into a handicraft with a bit of remodeling. Stone rollers and stone mills are now rarely seen in rural areas, and even when you do see one, it is already worn and dilapidated. I believe few children today know about these old objects...
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Visit the Wuhan Natural History Museum in person and experience the harmonious coexistence of life and nature
Since the "Reading Nature" column was launched, we have received many recitation audio recordings, some from local voices in Wuhan, and quite a few from readers in other places. Everyone has a landscape in their heart, and everyone has their own understanding of nature, using their voices to convey energy...
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This flower is beautiful, full of fairy-like charm, with a delightful fragrance, a long blooming period and abundant flowers. It is heat-tolerant and easy to care for, suitable for beginners.
With crisp autumn air, it is the perfect season for growing flowers. Today I recommend a very excellent woody European rose -- "Gentle Coral Heart", very suitable for balcony and courtyard planting. As its name suggests, it is very gentle, with a yellow center and pink edges~ The outer petals...
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Only after growing flowers for a long time do you realize that this kind of soil is loose, fertile and does not harm the roots
After growing flowers for a long time, you understand many flower-growing tips: watering Clivia with beer water prevents "clip arrows", watering pothos with rice water makes the leaves greener and glossier, and aspirin solution can promote plant rooting. In fact, there is also this trick of how to use soil...
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Dead leaves on succulents are highly harmful; only by dealing with them in time can problems be avoided
As a succulent grows, the lower leaves will slowly age and wither, then drop off, while new leaves gradually grow out from the top, and this cycle repeats. Some plant lovers find cleaning up fallen leaves a hassle, but the harm of not cleaning them up...
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