Make the geranium blossom more
1. Too much watering or rain, long-term stagnant water in the basin, causing rotten roots, yellow leaves or plant growth, all affect flowering.
two。 Excessive fertilization, especially too much nitrogen fertilizer, is easy to cause branches and leaves to grow, no flowering or rare flowering, poor flower quality. However, insufficient or non-fertilization will also affect the normal growth and flowering of plants. Therefore, more phosphorus and potassium fertilizer should be applied in early spring or early autumn.
3. The temperature is too high or low. Winter room temperature is more than 20 C, coupled with poor ventilation, branches and leaves are easy to grow, affecting the flowering of the following year. However, when the overwintering temperature is lower than 0 C, it is not conducive to dormancy, or even vulnerable to freezing injury, and the leaf margin becomes yellow and soft. Geranium is also sensitive to temperature differences, such as sharp changes, it will cause flowers to fall off; hot summer and strong light, the leaf edge is vulnerable to sunburn, resulting in poor growth or shedding of flowers and leaves.
4. Pick the heart and trim it too heavily. Long-term leaves are few, and the growth period will be delayed, and the number of flowers and flowers will be small.
5. During indoor maintenance in winter and spring, if there is not enough light for a long time, it is easy to cause the plant to grow and not blossom, and even the formed buds will shrink and shrivel due to lack of light. Therefore, sufficient light should be given in winter.
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Prevention and treatment of spot disease of pelargonium
The main symptoms are damaging leaves, primary waterlogged spots, and then round, 2-3 mm in diameter, slightly sunken in the center, with a small brown center and a spreading edge around the yellow. The old spot can be up to 6-10 mm in diameter and is irregular, dark brown, with concentric lines and less light black mildew layer due to the limitation of leaf veins. Disease spots on the leaves can converge with each other for a long time, often making the leaves black, wrinkled and withered. The condition of the disease mainly occurs in the older and weak tissue, so it is more common in the lower old lobe. Overcast and rainy
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How to cultivate geraniums
Geranium, also known as hydrangea, eight red. The flowering period is quite long, from October of that year to June of the following year, and from April to May. The colors are red, peach red, nine red, flesh red, white and so on. Other cultivated species include large flower geranium, shield leaf geranium, incense leaf geranium, musk geranium, horseshoe geranium and so on. Geranium is a perennial herb originally grown in the Cape of good Hope in South Africa. Because of its tolerance to drought and light, no choice of soil, strong adaptability to the environment and extensive cultivation, it has only been introduced into our country.
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