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云南是茶树的发源地,根据亚洲和中国的古地理、古气候等古生态环境与植物区系的诸多科学研究结果,茶树起源于晚白垩纪与早第三纪的古滇西盆地北段的山坝交界处,以三江地区为原点,澜沧江为主体,沿三江及红河向南及东南方向传播,完成子多样化的进化和传播过程。今天,云南拥有全世界最丰富的茶树资源,这首先要归因于几个地质时期以来,澜沧江流域长期处于热湿的气候和喜山运动造成的多样化生态环境。起源地云南无疑是世界上茶树的最佳生态适宜区,对其种性和天然品质的发挥极为有利。 太阳能是茶树生长的能源,是茶叶中各种化学物质生成的基础,太阳光谱成分对茶树生长及茶叶的香气和滋味成分的形成和积累具有重要的影响,为此,特对云南茶区不同纬度和海拔高度的太阳光谱进行考察和研究。 一、方法 1.考察点的设置 考察区为占云南茶叶产量80％的澜沧江流域茶区。该茶区由北西向南东呈线形分布,选定北纬22、
Yunnan is the birthplace of tea tree. According to many scientific research results of ancient ecological environment and flora in Asia and China, the tea tree originated in the northern segment of the ancient Western Yunnan Basin in the late Cretaceous and early Tertiary Dam junction, Sanjiang area as the starting point, the Lancang River as the main body, along the Sanjiang and Honghe south and southeast directions, to complete the sub-diversity of evolution and dissemination process. Today, Yunnan boasts the world’s most abundant tea tree resources. This is primarily due to the long-standing hot and humid climate and the diverse ecological environment caused by the Himalayan movement in the Lancang River since several geological times. Yunnan is undoubtedly the best place for ecological tea in the world and is extremely beneficial to its species and its natural quality. Solar energy is the energy source for the growth of tea trees and is the basis for the formation of various chemical substances in tea. The solar spectral components have an important influence on the growth of tea trees and the formation and accumulation of tea aroma and flavor components. Therefore, And the altitude of the solar spectrum for inspection and research. First, the method 1. The setting of the inspection point The inspection area is the tea area of the Lancang River basin which accounts for 80% of the tea output in Yunnan. The tea area from north to south was linear distribution, selected latitude 22,