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What to do when hydrangea leaves turn yellow? Increase light, adjust temperature, spray to prevent pests and diseases
Hydrangea, also known as Ziyang qinhua or hydrangea, originated in China during the Ming and Qing dynasties and has high ornamental value. The hydrangea has luxuriant branches and leaves, is extraordinarily beautiful and elegant, and its flowers are pure white, full, large and beautiful, delighting the eye and refreshing the mind. It is a common ornamental shrub. The lenticels are obvious, and the leaves are large and slightly thick
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How to prevent and control pests and diseases in an organic garden? These key technical points must be mastered
I kept saying I would write a pest control article, but because the chance of pests when growing at home is not high, I rarely have the opportunity to take photos of pest damage. So far I have only photographed red spider mites and aphids. Even whiteflies did not pay a visit this time, let alone leaf miners. So I am very sorry that there are very few self-taken photos of pests and diseases
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How to prevent and control common pests and diseases of the Radermachera sinica (China doll tree)?
The scientific name of the China doll tree is Radermachera sinica. It prefers a high-temperature, high-humidity environment with plenty of sunlight. It tolerates high temperatures but fears cold, prefers moisture and dislikes dryness. For cultivation, use loose, fertile, well-drained loam and sandy loam rich in organic matter. The flowering period is from May to September, and the fruiting period is from October to December.
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What to Do When Camellia Gets Anthracnose? Illustrated Guide to Prevention and Control Methods
Symptoms and pathological changes of camellia anthracnose: Camellia anthracnose mainly affects the leaves. Diseased leaves have round or irregular brown to grayish-brown spots, with darker edges or yellow halos; some spots are grayish-white, and the leaf spots are sunken or have dark edges. On the spots, concentric-ringed or scattered small black dots appear.
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Prevention and Control Methods for Root Rot in Household Hydroponic Flowers
In the static hydroponic flowers commonly introduced on the market, there are two pathways for oxygen supply to the roots: one is utilizing dissolved oxygen in the nutrient solution; the other is absorbing oxygen directly from the air. In the former, the root tips are immersed in the nutrient solution, and oxygen naturally dissolves through contact between the liquid surface and the air; in the latter, the upper portion of the roots
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What to Do When Roses Get Black Spot Disease? A Detailed Guide to Prevention and Control Methods
Rose black spot disease, also known as brown spot disease, is a worldwide rose disease. Symptoms: Rose leaves, young shoots and pedicels can all be affected. The spots on the leaves first appear as small purplish-brown to brown dots, then expand into round spots 1.5 to 13 mm in diameter, black or dark brown, with fringed edges, though on some varieties the edges may also be neatly smooth
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Causes of Root Rot in Cyclamen and How to Prevent It
When growing cyclamen, the problem of root rot has always plagued growers. Preventing tuber rot in cyclamen is an important part of whether cultivation succeeds or not. Besides low temperatures and infection by pathogens, the causes of cyclamen tuber rot include
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What to do when zinnia leaves turn yellow? Control watering, loosen the soil, and spray pesticides to prevent and control pests and diseases
Zinnia, a highly ornamental plant with a long flowering period and rich colors, is grown in pots at home by many flower lovers. However, in the process of growing zinnias, many beginners encounter yellowing leaves, which affects the ornamental value. So what should be done when zinnia leaves turn yellow? On this
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What to Do When Amaryllis Leaves Turn Yellow? Four Methods to Prevent Yellow Leaves and Failure to Bloom
Although the amaryllis does not have many leaves, and people do not grow it for its foliage, some flower enthusiasts still encounter yellowing leaves, which is not only frustrating but also affects the plant's growth and blooming. So what should you do when amaryllis leaves turn yellow? Let's look at the specific causes and solutions.
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What causes deformed lion's mane mushrooms? Causes and prevention methods
Causes and prevention methods of deformed lion's mane mushrooms
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