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What is the current state of technology development in China's walnut industry?
1. Walnut variety breeding China's walnut crossbreeding began in the mid-to-late 1960s, with outstanding results from research institutions such as the Liaoning Institute of Economic Forestry, the Shandong Academy of Agricultural Sciences Pomology Institute, and the Chinese Academy of Forestry. Using common walnut (Juglans regia) as the crossbreeding parent, they successively bred
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What benefits can the development of the walnut industry bring?
I. Economic benefits Over the past ten years, the cost-effectiveness of walnut production in China has undergone tremendous changes. The general trend is that the cost per unit area has increased year by year, while walnut prices and economic returns have also increased significantly. The inputs in walnut production vary greatly depending on the orchard site.
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What problems currently exist in China's walnut industry?
Mixed varieties and poor commodity consistency. Some places neglect varieties, plants are uneven in quality, lack reasonable planning and design, and fail to implement scientific, regionalized orchard establishment, resulting in poor site conditions, improper variety selection, and poor quality of nursery stock. Historically, because
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What walnut germplasm resources are there? An introduction to the main walnut germplasm in China
Walnut, known in China by such aliases as huta, qiangtao and wansuizi, is called Persian walnut, English walnut or European walnut abroad, and is an important nut tree species in the world. Pictured: walnut. Walnut belongs to the genus Juglans in the family Juglandaceae, of which about 10 or more species have cultivation value, native
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What are the newly introduced and newly discovered variant types of walnut?
1. Extra-large walnut. The longitudinal diameter of the nut can reach 7~8 cm, the lateral diameter is 5 cm, and a single nut weighs about 36 grams, equivalent to about 3 times that of an ordinary walnut, but the shell is relatively thick, and sometimes the kernel is not plump. 2. Shell-less walnut. The hard shell of the nut has degenerated into a thin film, which is very easy to tear off by hand
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What Categories Can Walnut Varieties Be Divided Into? Understanding Walnut Classification in One Article
The selection of walnut varieties is the foundation for developing the walnut industry. However, in practical application, walnuts can be classified into the following many categories according to their different characteristics. 1. Varieties classified by walnut origin: Xinjiang walnuts, North China mountain walnuts, Qinba mountain walnuts, Tibet highland walnuts.
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What ecological conditions does walnut growth and development require?
Walnut can grow in many regions of our country, reflecting that plants of the genus Juglans have a strong ability to adapt to natural conditions. However, walnut growth has relatively strict requirements for suitable conditions, and thus several major walnut production areas have formed. When its suitable conditions are exceeded,
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What ecological conditions are needed for the growth and development of walnut trees?
Different walnut species and cultivars vary greatly in their ability to adapt to rainfall. In the distribution area of Yangbi walnut, the annual rainfall is 800-1,200 mm, while introducing early-bearing walnuts to areas with rainfall above 6,00 mm makes them prone to disease. Walnut tolerates dry air, but is relatively sensitive to soil moisture conditions; soil that is too dry or too wet is unfavorable for the growth and fruiting of walnut.
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What ecological conditions does the growth and development of walnut require?
Soil is the main supply site of water and minerals for plants. Through its extensive root system, the walnut absorbs water and organic and inorganic nutrients from the soil. The quality of soil conditions directly affects the growth and fruiting of walnut. 1. Soil thickness: Walnut is a deep-rooted tree
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Selection Methods and Key Points for Walnut Rootstock Types in Walnut Seedling Cultivation
Currently, the process of improving walnut varieties in China is relatively fast, and most regions have already achieved the use of grafting methods to propagate seedlings. The commonly used rootstock types include 5 kinds: common walnut, iron walnut, wild walnut, Manchurian walnut, and Chinese wingnut. As shown in the picture: walnut. 1. Common walnut. In China
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