So far, there are few countries on the world to study weedy rice.
迄今为止，世界上仅有少数国家对杂草稻资源进行收集、保存、鉴定和研究利用。
参考来源 - 东北地区杂草稻亲缘关系及其生物学、生态学主要特征的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
Compositive control measurement of weedy rice based on prevention and cultivation should be applied.
应采取预防和耕作栽培措施为主的杂草稻综合防治措施对杂草稻进行积极的控制。
Results showed that the elongation of mesocotyl and internode of coleoptile played important roles in the seedling emergence of the weedy rice from northern China.
研究结果表明，在中国北方发现的部分杂草稻具有较强的中胚轴伸长特性和芽鞘节间伸长特性。
The morphological features of the leaf epidermis varied significantly among the accessions. The results may be valuable for the taxonomic identification and studies on origins of weedy rice.
叶表皮结构特征在各供试材料之间有一定的变异和特异性，在杂草稻分类鉴定及亲缘关系的研究中具有一定的价值。
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