What is the propagation method of sunflowers? How to propagate sunflowers that do not produce seeds?

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1. Sowing and reproduction

2. Propagation by cuttings

Its propagation method is mostly carried out by sowing. Choose the time in spring, prepare soft and permeable soil, sprinkle the seeds on it, then cover it with a thin layer of soil, water it moistly, and small buds will grow in about 10 days. However, some varieties cannot produce seeds. In this case, cuttings can be used. The time is between May and August, and young stems are selected for cuttings. After moisturizing treatment after insertion, it will survive in about half a month.

1. Sowing and propagation

1. Time: Sowing is a commonly used propagation method, and the time is mostly chosen in spring. The climate and temperature in this season are very suitable, which is conducive to its germination and growth. Of course, if the temperature can be well controlled, it can also be done in summer or autumn.

2. Method: Prepare before sowing Soil, the soil should be loose and permeable. If it is planted on the ground, the soil should be plowed deeply first to ensure it is soft. Once ready, sprinkle the seeds on top. Try to spread it evenly when spreading, then cover it with a thin layer of soil, water it moistly, and new sprouts will appear in about 10 days. After the seedlings grow stably, they can be transplanted and managed normally.

2. Propagation by cuttings

1. Time: This method is mostly used on varieties that do not produce seeds and cannot be propagated by sowing, so cuttings can be used. It is recommended to choose the time between May and August every year. During this period, there is more rain and the climate is warm, which is conducive to germination and rooting.

2. Method: Choose no diseases, no The tender stems damaged by insects are used as cuttings, and the length should be controlled to about 5 cm. The soil must also be loose, fertile, and well permeable. When inserting, you should first use a wooden stick to poke a hole in the soil surface. It does not need to be too deep. The cuttings can penetrate 2 cm into the soil. Put the cuttings in and compact the soil carefully. Then water it thoroughly and keep it in a ventilated place. It will survive in about half a month.

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