浅谈横县甜玉米结实性差的原因及预防措施

Discussion on the reasons and prevention measures of sweet maize’s low fecundity in Hengxian County

甜玉米结实性差的表现是果穗上出现不规则的缺粒,果穗侧面缺粒,秃顶严重。原因有:品种因素、气候因素、栽培管理措施不当、营养失调、病虫危害等。预防措施包括选用抗逆性强的品种、适时播种、合理密植、合理运用肥水、人工辅助授粉、运用生长调节剂等。

The representations of sweet maize＇s low fecundity are snatchy grain, absent grain on spike sides, serious bald. The reasons for those representations are factors such as variety, weather, improper cultivation measure, malnutrition, insect ＆ disease etc. Prevention measures include the use of strong resistance varieties to infaust factors, proper seeding, rational density, equilibrium fertilization, manual pollination and growth regulator＇s usage.