| Variability of root characteristics in sunflower under different planting modes |
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| DOI：10.7606/j.issn.1000-7601.2013.02.09 |
| Key Words: growth mode sunflower yield root |
| Author Name | Affiliation | | HU Shuping | College of Agronomy, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010019, China | | GAO Julin | College of Agronomy, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010019, China | | WANG Zhigang | College of Agronomy, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010019, China | | AN Yulin | Inner Mongolia Academy of Agriculture and Animal Husbandry, Hohhot, Inner Mongolia 010031, China | | YU Haifeng | Inner Mongolia Academy of Agriculture and Animal Husbandry, Hohhot, Inner Mongolia 010031, China | | MA Jie | Bayannaoer Academy of Agricultural Sciences, Shanba, Inner Mongolia 015400, China | | LI Jun | Bayannaoer Academy of Agricultural Sciences, Shanba, Inner Mongolia 015400, China | | ZHANG Wei | Chifeng Academy of Agricultural Sciences, Chifeng, Inner Mongolia 024031, China |
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| Abstract: |
| Based on the single experiments of fertilizer requirement, seeding date, density and drought resistance of sunflower in 2008 and 2009, this experiment was conducted in Inner Mongolia Agricultural University Science Park in 2010 by using the integrated technology and the traditional planting mode as treatments, so as to analyze the effects of different cultivation modes on the characters of root development in sunflower. The results showed that the outputs under different planting modes we
re significantly different each other. Under the integrated technology, the yields of oil and edible sunflower were increased by 18.58% and 23.28% respectively, the time with the maximum rate of root dry matter accumulation was earlier, the rate of
root dry matter accumulation was higher, the duration period of root dry matter accumulation was prolonged, the distribution of root system was deeper, and the root bulk, root length, root
active absorbing area and their peak values were wholly increased, as compared to the traditional mode. |
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