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What types of watermelon are there? An introduction to common watermelon varieties
Watermelon is a common fruit in life, and this fruit also occupies an important position among the world's fruits. It is said that it was introduced to China from Persia several thousand years ago, and through thousands of years of development and cultivation, a large number of watermelon varieties have appeared. Today, the editor will let everyone broaden
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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 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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Detailed Explanation of Key Cultivation and Management Techniques for Dongshi Early Pomelo
I. Variety Characteristics and Traits. Dongshi Early Pomelo is a very early-maturing superior pomelo variety selected by the Experimental Station of Dongfeng Farm in Xishuangbanna Prefecture in the late 1960s from variations of seedling pomelos. The Dongshi Early Pomelo tree is vigorous with an open tree posture, and the leaves are long and elliptical; the fruit is obovate, with an average single fruit
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How to Choose Seedling Varieties When Establishing a Walnut Orchard
1. Variety types and pollinizer configuration. Varieties are the foundation of high-quality, high-yield fruit trees. Variety selection is a key step in walnut development. If varieties are chosen appropriately, the goals of high yield, high quality and high benefit can be achieved; otherwise, losses can be great due to low fruit set rate or varieties that are unsuitable or not matched to the site.
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What causes flower and fruit drop in walnut trees
For most walnut varieties or types, flower drop is relatively mild and fruit drop is more severe, but there are also cases where flower drop is quite serious. The main reason why existing large walnut trees have low and unstable yields is severe flower and fruit drop. According to research by Wang Genjiu and others, the flower and fruit drop rate of walnuts is generally 40%-90%. Walnut flower and fruit drop
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What are the main improved walnut varieties in China?
1. Liaoning No. 1 Source and distribution: Bred by the Liaoning Institute of Economic Forestry through artificial hybridization. Belongs to the early-bearing walnut variety type. Economic traits of the fruit: The nut is round, weighing 9.4 grams. The shell surface is relatively smooth, light in color, and the shell thickness is about 0.9 mm. The whole kernel can be extracted. Nut
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What are the main improved walnut varieties in China?
1. Lüling Origin and distribution: A bud sport selected from Xiangling walnut by Hebei Agricultural University and Hebei Lüling Fruit Industry Co., Ltd. Selected in 1995, after multiple generations of grafting propagation, the traits are stable, intermediate testing in 2000, and in 2005 it passed the Hebei Provincial Forest Tree Variety Approval Committee
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What are the excellent foreign walnut varieties?
1. Payne. Origin and distribution: native to the United States. Currently, its cultivation area in California, United States is second only to Hartley. It belongs to the late-bearing walnut variety type. Fruit economic traits: nuts medium to small, average single nut weight 11.25 grams. Suture tight, kernel out
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