论文部分内容阅读
早春利用保护设施栽培结球甘兰,上市早(鲁西南地区最早可在清明前后),品质优,口感好,城乡人民喜食,对缓解城乡市场的春菜淡季供应也起到重要作用,但生产上不同程度地存在部分甘兰未熟抽薹现象,降低了甘兰产量,影响了早春甘兰的经济效益和社会效益。据我们县乡28个农技站连续5年的实践、观察,结球甘兰早春未熟抽薹,除少数有种子质量原因外,大部分是因为有些幼苗通过了春化阶段,长日照条件下,开始了生殖生长。可结球甘兰通过春化阶段,需要几个严格的条件:1,一定的生理苗龄(绿体5～
In the early spring, the cultivation of Codonopsis glauber with the protection facilities, early listing (southwest of Shandong Province can be the earliest in the Qingming before and after), good quality, good taste, urban and rural people like to eat, to alleviate the supply of spring and autumn markets in urban and rural markets also play an important role, but the production To some extent, there is some bolting of uncooked cabbage, reducing the yield of cabbage, affecting the early spring cabbage economic and social benefits. According to our county agricultural operation of 28 stations for 5 consecutive years of practice, observation, Clover blueberry bolting in early spring, except for a few reasons for seed quality, mostly because some of the seedlings through the vernalization stage, long-day conditions, Reproductive growth began. Cortex cablin can be vernalized stage, you need a few strict conditions: 1, a certain physiological age (green body 5 ~