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Plum, plum, bauhinia, magnolia, apricot, peach, cherry blossom, apple, begonia flower, sticky stem begonia, spring, forsythia,
Why do these flowers bloom first and then grow leaves? This is because their flower bud differentiation takes place in the summer of the first year, and the flower buds become dormant after the formation of the primordium in each part of the flower, and they can bloom in the spring of the following year. And because the temperature required for the growth of flower buds of these flowers and trees is lower than that required for the growth of leaf buds, the temperature in early spring has met the needs of their growth, so the flower buds gradually expand and open.
But at this time, the temperature for the leaf bud, can not meet the needs of its growth, so it is still latent, and when the temperature gradually rises to meet its growth needs, the leaf bud begins to germinate, so there is a phenomenon of first flowering and then growing leaves.
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Peach blossoms, apricot blossoms, pear blossoms, spring flowers, begonias, cherry blossoms, plum blossoms, magnolias, forsythia, bauhinia. The buds of these flowers and trees are formed in the summer of the first year, and the flower buds are differentiated through summer, autumn coolness, and overwintering, so that they can bloom the following spring. The temperature required for the opening of the buds of these flowers and trees is often lower than the temperature of the germination, so before the spring cold ends, they will bloom, and then the temperature will gradually rise, and the leaves will grow.
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Du pear, bauhinia, white magnolia, plum blossom, silver fir, early cherry blossom, barberry peach, mountain apricot, mountain peach, elm leaf plum. The flower buds are formed in July and October of the previous year, and after the flower buds are formed, they diverge until they bloom. It is characterized by its low temperature requirements for flowers and high temperature requirements for leaves, resulting in a situation where flowers bloom first and then grow leaves!
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Peach, spring, Admiralty, white magnolia, purple magnolia, plum blossom, plum, Xifu begonia, bauhinia, early cherry.
Their flower bud differentiation takes place more than 2 months after flowering and is completed in about a month, and the flower bud germination of these trees requires a lower temperature than the leaf bud, so they will bloom first and then grow leaves.
Controlling the flowering period is to artificially meet the conditions for flower bud germination.
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Plants are divided into flowering plants and non-flowering plants according to whether they bloom or not.
The flowers of flowering plants are the most significant difference between them and other seed plants. Flowers allow flowering plants to have a broader evolutionary relationship and extend their ecological niche, so that flowering plants can dominate the terrestrial ecosystem.
The non-flowering plants include ivy, sunflower, monstera, rubber tree, taro and other foliage plants, among which ivy belongs to the perennial evergreen climbing shrub, the branches and leaves of the sunflower are dense and the stem is smooth, the leaves of monstera are broad, the petiole is up to 1 meter, and the rubber tree has thick leaves and the shape is oblong to oval.
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Depending on whether the plant blooms or not, the plant can be divided into gymnosperms and angiosperms. Usually, flowering plants are angiosperms.
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The six parts of a flowering plant are: roots, stems, leaves, flowers, fruits, and seeds.
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The whole plant of a flowering plant is divided into six parts: roots, stems, leaves, flowers, fruits, and seeds.
If a flowering plant has seeds, it generally goes through several stages such as seed germination (i.e., germination), plant growth, flowering, and fruiting.
If seeds are not produced, they are generally propagated asexually by cuttings, striping or tissue culture, and then go through several stages of plant growth and flowering.
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Roots, stems, leaves, flowers, fruits, seeds.
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The growth of flowering plants generally goes through two stages: the formation and germination of seeds, and the growth and development of plants.
1. The formation of seeds and genus germination refers to the process in which the zygote develops into an embryo and the fertilized polar nucleus develops into the endosperm after the angiosperm completes double fertilization.
2. The growth and development of the plant refers to the growth of the seedling after a period of time to become a plant with three organs: roots, stems and leaves. When the plant grows and develops to a certain stage, it begins to form flower buds, followed by flowering and fruiting.
The body of a flowering plant is divided into six parts: roots, stems, leaves, flowers, fruits, and seeds.
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Rooting, leafing, flowering, fruiting! Roots, stems, leaves, flowers, fruits, seeds.
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The body is divided into roots, leaves, stems, flowers, fruits, seeds.
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The structure of the body is divided into: rooting, growing leaves, flowering, and fruiting! Roots, stems, leaves, flowers, fruits, seeds.
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Plum, magnolia, bauhinia, plum blossom, plum tree, peach tree, incense, paulownia, magnolia, kapok, etc.
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Plum has no leaves when it blooms in winter, and it only opens its leaves when spring comes.
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Magnolia, Bauhinia, Yingchun, fragrant, plum, lycoris.
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Hello, the factors that affect the differentiation of plant flower buds are as long as there are:
1. Temperature: Many plants need a certain period of low temperature during the period of flower bud differentiation, otherwise the flower buds will not be able to differentiate, which is called vernalization.
2. Light: Light can also affect the differentiation of flower buds, which is divided into long and short days, you can learn about it.
3. Hormones: such as gibberellin, artificial application of hormones can also affect flower bud differentiation.
Hope it helps.
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Temperature, light, water.
One of the most important factors is temperature, most of the plants have to go through a vernalization effect, to put it bluntly, it is a low temperature treatment.
Plants can only produce flower buds after a certain degree and a period of low temperature.
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Flowering plants are generally composed of six parts: roots, stems, leaves, flowers, fruits, and seeds.
For example: loquat tree, peach tree, pomegranate, ginkgo, metasequoia, bunch of red, marigold, cockscomb, chrysanthemum, moon...
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It should be a flower stalk, a receptacle, 4 sepals, 4 petals, and the stamens are usually 6, 4 long and 2 short, called the four strong stamens and one pistil.
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Most plants bloom, such as lychee, longan, mango, banana, peach, plum, apple, pear, watermelon, etc., and there are many flowers, so I will not give examples one by one. It is generally composed of roots, stems, leaves, and other parts.
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The petals of cabbage flowers are comparatively larger. There is a difference between stamens. The morphology is different.
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