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向日葵耐盐性较强,在一般盐渍化土壤中能比较正常地生长,并具有生物排盐、改良盐碱地的作用。利用盐碱地种植向日葵大有可为。其耐盐力的强弱在各生育阶段间有差异,发芽出苗阶段的耐盐力较弱,生产上存在着难以全苗的问题。一旦抓住苗并保全苗,后期就能发挥较强的耐盐力而获得较好的收成。因而,研究如何提高出苗率,对生产具有现实意义。本文介绍向日葵出苗阶段的耐盐力,为研究提高出苗率提供依据。
Sunflower salt tolerance stronger in the normal saline soil can grow more normally, and with bio-row salt, salt water to improve the role. The use of saline to grow sunflower promising. The salt resistance of the strength of the different stages of development have differences in the germination of seedling stage salt tolerance is weak, there is the problem of production is difficult to seedlings. Once seized seedlings and save the seedlings, late will be able to play a stronger salt tolerance and get a better harvest. Therefore, to study how to improve the germination rate is of practical significance to the production. This article describes the salt tolerance of sunflower emergence stage, to provide the basis for the study to improve the emergence rate.