Walnuts are generally not spring or autumn, but in the sowing process, there is a problem that the outer shell of walnut seeds is very hard, and it takes a certain amount of time for it to naturally emerge. Therefore, most growers are taking germination methods to increase the germination rate and emergence rate of walnuts. How do walnut seeds germination? Here are four of the most common methods for you.
1. Boiling water soaking method
This method is only suitable for use in a very urgent time, put the seeds without any treatment into the container, pour twice the amount of boiling water into the seeds, the water surface is higher than the seeds, then stir in time, stir until the water temperature is not hot, Add cold water and soak for a few hours to remove the seeds. Generally, paper walnut cultivation and thin shell are not suitable for this method. Thick-shelled walnut varieties are more suitable.
2, warm water soaking method
Prepare a container, put the walnut seeds into it, pour water of about 80 degrees Celsius, stir with a stick tool, and stop the stirring when the temperature drops to normal. Soak for another eight to ten days, change the water once a day, and seed when the seeds start to crack.
3, cold water soaking method
Put the seeds of the walnut into a container of a pass or a cylinder, pour the cold water, the amount of water exceeds the seed, in order to avoid the seed floating when soaking, the wooden board can be used at the mouth of the container, and then the stone or heavy object is used for suppression. Generally, it can be soaked for 7-10 days. When soaking, change the water once a day. When the seeds absorb water and expand and rupture, they can be sown.
4, stratified sand method
It is preferred that you choose a place with good drainage, leeward shade, and no rat damage. Generally, the ditch is 1 meter high and 1.5 meters wide. The length is determined by the amount of storage. A layer of wet sand is laid on the bottom of the ditch. The thickness is about 10-15cm. A layer of walnut is laid and a layer of wet sand is laid. The layer, reaching the pit, is filled with sand and cultivated into a ridge. Wet sand storage seeds can be skinned and without skin, but without skin, it should be soaked in cold water for 2-3 days for storage.
The above are the four common methods of germination of walnuts. Which method do you think is the easiest and most suitable for you? You can express your opinion.
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