晶玉菊苣栽植技术（Jingyu chrysanthemum lettuce planting technology）.doc

晶玉菊苣栽植技术（Jingyu chrysanthemum lettuce planting technology） Chicory planting technique Also known as the European chicory chicory, French endive, Compositae, Cichorium biennial to perennial herbaceous plants, is a variant of wild chicory. Native to the Mediterranean, Central Asia and North Africa, especially in European countries. Introduced into China in 90s of last century and cultivated successfully, it is a special pollution-free vegetable with a promising future. Softening its gemmule milk white or red color, slightly bitter with sweet flavor, crisp and tender to taste, and become a vegetable in the nobility. In our country, once listed, it is well received by consumers. I. botanical characteristics of Chicory Chicory root succulent, like carrot shaped, earthy brown. Leaves elliptic or lanceolate or long lanceolate, apex acute, leaf margin crenate or entire. Capitate, ligulate corolla, pale pinkish purple color, synandria blue. Achene has arris, tip halberd shape. Seeds small, brown, 1000 grain weight 1.2 grams, more than 800 seeds per gram. Two, chicory requirements of the environment Chicory has strong stress resistance, cold resistance, cold and plenty of sunshine, not high temperature. The optimum germination temperature was about 15 DEG C, and germinated at about 5 days. Seedling growth temperature of 20 ~ 25 DEG, 30 DEG C high temperature resistant seedlings, such as the case of high temperature above 30 DEG, will appear the phenomenon of early bolting. The leaf growth temperature is 17~22 DEG C, and the shoot can resist the low temperature from -2 to -1 centigrade. The roots freeze from -2 to -3 degrees. Vigorous growth under short sun conditions. During the softening period of chicory, the temperature was 15~20 DEG C. High temperature blast fast growth, the formation of statoblast loose, not tight, low temperature has not formed but does not affect the quality of the quality, quality. Chicory is afraid of waterlogging and enjoys a humid environment. Hi,