园艺基础知识（Basic knowledge of Horticulture）.docVIP

园艺基础知识（Basic knowledge of Horticulture） Questions and answers of gardening basics over the years First, the noun explanation 1. Horticulture: mainly refers to the agricultural techniques of horticultural production. 2. Horticulture: horticultural production, a branch of agricultural production, is the production of fruit trees, vegetables, melons (melons and melons) and ornamental plants. Modern horticultural production is not only the agriculture of land, but also the image art of land leaving. It is not limited to the process of production and product acquisition. It is also part of peoples leisure, cultural and spiritual enjoyment. 3. photoperiod: the number of theoretical sunshine in a day from sunrise to sunset. Results: 4. years in the production of fruit trees, a high yield, another year low yield phenomenon, also known as the size of the year, pome is serious. The emergence of this phenomenon is mainly because they have not only the contradiction between vegetative growth and reproductive growth, but also the contradiction between flower bud differentiation and fruit growth. 5., the heterogeneity of shoots: because of the difference of nutritional status and external conditions, there are obvious differences in the growth and characteristics of the buds at different parts of the same branch. 6. pollination: the process of transferring pollen from anther to stigma, also known as pollination. The way of self pollination, pollination and cross pollination often alienation. 7. natural dormancy: also known as physiological dormancy, internal dormancy, etc., is determined by the genetic characteristics of plants, requiring a certain low temperature conditions can pass smoothly. 8. the theory of similar climate: morphological and biological characteristics of crops are products of natural and artificial selection and therefore, they are applicable to a certain natural environment and cultivation condition, once out of this condition is not very good growth. Especia