Impatiens are extremely characteristic?
Impatiens extremely characteristic: impatiens, also known as henna, rhododendron, impatiens family. Is an annual herb. The plant height ranges from 30 to 80 cm, the stem is thick, branched and smooth, the nodes are dilated, green or dark brown, and the stem color is related to the flower color. Leaves alternate, lanceolate. There are glands on both sides of the petiole. Flowers single or several clustered leaf axils, Corolla butterfly, single, double, white, pink, red, purple and other colors. The florescence is from June to October. The seed bursts itself when it is ripe.
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How does impatiens suffer from powdery mildew?
[distribution] it happens all over the week. [symptoms] the disease mainly occurs on leaves and shoots, and seriously harms buds and capsules. The disease began in Beijing after June, and after July, the leaf surface was gradually covered with white powder layer, and gradually expanded to the whole leaf covered with white powder layer. In the later stage, yellow dots were formed on the powder layer, and the color gradually deepened and became dark brown, which was the closed capsule of the pathogen and was spherical under the magnifying mirror. The dark brown dots mainly appeared on the front of the leaves and the small dots on the back of the leaves were rare. In severe cases, the leaves withered and fell early. Shanghai is generally in bloom.
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The value and use of impatiens
At the height of summer when cicadas are fluttering, lotus flowers are blooming and jasmine is fragrant, impatiens also bloom at the right time. Impatiens such as crane top, like colorful Phoenix, graceful posture, charming. Both the fragrant red impatiens and the delicate blue impatiens bloom in the morning, when cold butterflies and hungry bees are having sweet dreams, which is the best time to enjoy the impatiens. Impatiens is a common material for beautifying flower beds and flower borders because of its rich colors and varieties. It can be planted in clusters, planted in groups and potted, and can also be raised in water for cut flowers. The whole plant of impatiens can be used as medicine, especially the pure white impatiens has higher medicinal value.
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