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- Title
锌肥对水果型甜玉米雪甜 7401 产量及品质的影响.
- Authors
彭 华; 孟 鑫; 廖长见; 刘建新; 陈小翠
- Abstract
The trace element zinc plays a vital role in the growth and development of corn. In this study, a greenhouse was used to simulate the field environment, and five zinc fertilizer application gradients(10, 20, 30, 40, 50 kg/ha) were set to analyze the effects of external application of zinc fertilizer on the main agronomic, economic and quality traits of fruit-type sweet corn Xuetian 7401. The results showe that zinc application could effectively increase plant height, ear height, and regularity of Xuetian 7401. Plant height and ear height reached the maximum at the zinc application levels of 40 kg/ha and 50 kg/ha, respectively, which increased by 17 cm and 11 cm compared with those of the control. The silking stage and anthesis stage of Zinc 50 kg/ha treatment were shortened by 1.7 days and 3.2 days compared with those of the control, respectively, both of which reached a significant level. Zinc treatment could generally prolong the anthesis-silking-interval(ASI), but the difference was not significant. Zinc application could keep the leaves green, increase the chlorophyll content by 27.4%, increase the photosynthetic efficiency of the ear leaves. For yield, zinc application had no significant effect on the increase of ear length, but could significantly reduce the tip length, and increase the yield per plant by 14.4% under the level of zinc application of 40 kg/ha. For quality, zinc application could effectively improve the sugar and zinc content in grains and the content was in direct proportion to external, application of zinc fertilizer, but it could affect the absorption of iron. However, under the treatment of high amount of zinc application, the accumulation of zinc in grains was easy to exceed the national standard of crop grains in China, resulting in heavy metal zinc poisoning. The optimal amount of zinc was the medium treatment of zinc application(30 kg/ha), it could effectively improve the main agronomic, economic and quality traits of fruit-type sweet corn Xuetian 7401, and enhance its commodity value.
- Subjects
CHINA; SWEET corn; ZINC fertilizers; FERTILIZER application; CORN development; HEAVY metals; CORN growth
- Publication
Journal of Shanxi Agricultural Sciences, 2023, Vol 51, Issue 2, p173
- ISSN
1002-2481
- Publication type
Article
- DOI
10.3969/j.issn.1002-2481.2023.02.07