XU Ying-ying,WANG Jun-he,WANG Yu-xian,et al.Study on Root Growth and Rhizosphere Microorganism Quantity of Different Varieties of Upland Rice[J].HEILONGJIANG AGRICULTURAL SCIENCES,2018,(02):8-10.[doi:10.11942/j.issn1002-2767.2018.02.0008]
旱稻不同品种根系生长及根际微生物数量变化
- Title:
- Study on Root Growth and Rhizosphere Microorganism Quantity of Different Varieties of Upland Rice
- Keywords:
- upland rice; variety; root activity; microorganism quantity
- 文献标志码:
- A
- 摘要:
- 为筛选耐旱性强的水稻品种，以苗旱163、苗旱17、旱稻74、旱稻80和旱稻2号为试验材料，对不同生育期各品种的根长、根条数、根系活力以及根际细菌、放线菌和真菌数量进行测定，以研究旱直播条件下不同旱稻品种根系生长及根际微生物数量变化情况。结果表明：根条数、根长及根系活力和微生物数量均表现为旱稻74>旱稻2号>旱稻80>苗旱163>苗旱17，说明旱稻74是较为适合半干旱、干旱地区种植的旱稻品种。
- Abstract:
- In order to investigate the changed conditions of rice root growth and rhizosphere microorganism quantity in different upland rice varieties,providing theoretical basis for screening drought resistant varieties,Miaohan 163,Miaohan 17,Upland Rice 74,Upland Rice 80 and Upland Rice 2 were taken as experimental materials， the root length,root number and root activity,and number of rhizosphere bacteria,actinomycetes and fungi were measured during different growth periods in different varieties.The results showed that the root number,root length,root activity and microorganism quantity of Upland Rice 74 took the lead,followed by Upland Rice 2,Upland Rice 80,Miaohan 163 and Miaohan 17,which suggested Upland Rice 74 was the suitable variety for cultivating in drought and semi-arid region.
参考文献/References:
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备注/Memo
收稿日期：2017-12-08基金项目：齐齐哈尔市科技局农业攻关资助项目（NYGG-201625、NYGG-201620、NYGG-201509）;黑龙江省农业科学院院级科研资助项目（2017SJ034）;公益性行业（农业）科研专项经费资助项目(201503116-02);国家现代农业技术体系建设资助项目（CARS-02）。第一作者简介：徐莹莹（1989-），女，黑龙江省齐齐哈尔市人，硕士，研究实习员，从事耕作栽培和农业微生物研究。E-mail: ghdetongzhuo@163.com。