杂草稻指的是具有杂草特性的水稻，又称野稻、杂稻、再生稻，农民称之为大青棵。其外部形态和水稻极为相似，但在田间具有更旺盛的生长能力，植株一般比较高大。 杂草稻野性十足，比栽培稻早发芽、早分蘖、早抽穗、早成熟，一旦在稻田中安家落户，就会拼命与栽培稻争夺阳光、养分、水分和生长空间。
对杂草稻的特征特性进行了描述，对其利用价值进行了探讨。
The origin and utilizing value of weedy rices were discussed according to their hybridism, stomata distribution disordered i. e. middle stomata on leaves, etc.
对海南岛杂草稻的生态环境进行了描述，杂草稻混生在深水稻中繁衍。
The ecotope, habit and morphological characters were investigated and identified on weedy rices in Hainan Island.
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。
Compositive control measurement of weedy rice based on prevention and cultivation should be applied.
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