Very early ripening variety, ripe in early to mid-May, single fruit mass 50~70 g, soluble solids content 11.5%, fruit surface yellow with flushing, sweet and fragrant, flowering period resistant to low temperature, self-flowering ability, strong wind resistance and melanosis resistance, fruit surface only slightly later content 12.5%, fruit surface yellow-red, beautiful, sweet taste, more resistant to transportation, relatively manageable It's easy. Adaptable early and mid-ripening variety, ripe at the end of May, single fruit mass 60 to 70 grams, strong soluble solids. The apricot fruit for kernels is smaller and has a thin pulp. Seeds are hypertrophic, sweet or bitter. Almonds are mainly used for edible and medicinal purposes, but some varieties of pulp can also be dried. Excellent varieties of sweet kernels, such as Hebei's Bai Yubian, Long Wang Bian, Beishan Dabian's West Chi Zi, Clara, etc. Excellent varieties of bitter kernels, such as Hebei's Xishan Dabian and Jidong Xiaobian. Apricot is an important economic fruit tree species, mainly seed breeding, when sowing seeds need wet sand to germinate; can also be grafted from real seedlings as rootstocks to breed apricot scab mainly harms the fruit and new tips, young fruits develop fast and heavy, infected fruits mostly produce hazel round spots on the shoulder, 2-3 mm in diameter, later spots become purple-brown, epidermal wood embolization When the onset of the disease is severe, multiple small lesions are often connected into one slice, but the deep pulp is shallow. The spots on the new tip are brown, oval, slightly raised, and often have flowing glue. After damage, the spots are initially watery spots, and later expand into round or irregular spots. They are about 2 mm in diameter. They resemble water stains around them, with a slight yellow-green halo ring. When the air is humid, bacterial perforation of yellow apricots on the back of the lesion mainly harms the leaves, and also harms the fruit and new tips. The leaves are affected by chromophilus pus, and a circle of cracks occurs at the junction of the sick and healthy tissues. The diseased and dead tissue dries and falls off, forming a perforation. For strong-growing varieties such as Kate, during the critical period of physiological differentiation of apricot flower buds at the end of May and early June, 3 to 5 buds are left on the strong new tips that rely on the center stem in the middle and upper part of the canopy, so that the new tips that were originally straight up become vertical and downward. The new tips that germinate again at the base after folding are removed or continued to be folded to ease the tree trend and promote the differentiation of flower buds. It can also reduce the secondary fall of fruit caused by nutritional contradictions in the tips of middle and late ripening varieties. Summer pruning of adult trees can improve ventilation and light transmission, reduce ineffective nutritional consumption, and improve fruit quality. Apricot trees, whether they are varieties of the European ecosystem or the North China ecosystem, are planted in the south with high temperatures and humidity. Infestation by diseases and pests is inevitable. To produce high-quality and beautiful fruits, plant protection work must keep up. In view of the climatic characteristics of the south, the principle of “prevention first, comprehensive prevention and control” should be followed. After planting apricot seedlings, how to put apricot trees into production as soon as possible, and fertilizer management during the young tree period is very important. When the new tip of the apricot tree grows to 20 cm after it is fixed to dry, it can be applied with chemical fertilizer. For a period after this period, nitrogen fertilizer is mainly used. The principle is to apply less diligently, and the fertilizer is applied with water. The first fertilization is 20 cm away from the trunk, and then gradually moves out. After autumn, phosphorus and potassium fertilizer should be added in combination with base fertilizer. When entering the initial fruiting period, it is necessary to apply less nitrogen fertilizer or no nitrogen fertilizer, because there are many thunderstorms in the summer in the south. If there are thunderstorms, a large amount of nitrate nitrogen falls to the ground with the rain and seeps into the soil. Artificial only needs to be supplemented with organic fertilizers and phosphorus-potassium fertilizers. 02