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2004•Guizhou nongye kexueRequires access

Lawn Weeds and their Occurrence Pattern in Duyun District

Wei Mei-yu

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Abstract

Lawn weed species and their occurrence period in Duyun district were investigated and the harm degree was evaluated by using the multi-rank way. The results show that the dominant weed species of dicotyledon are (Alternanthera) philoxeroides Griseb,Trifolium repens L., Hydropiper sibthorpioides Lam, Oxalis corymbosa Dc., Conyza canadensis (L.) Cronq, Kalimeris indida (L.) Sch-Bip, and Artemisia lactiflora Will, and monocotyledon (Cynodon) dactylon (L.) Pers, Digitaria sanguinalis(L.)Scop, Paspalum distichum L and Kyllinga brerifolia Rottb. The method of controlling weeds is put forward at the same time.

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What this paper is about

Lawn weed species and their occurrence period in Duyun district were investigated and the harm degree was evaluated by using the multi-rank way. The results show that the dominant weed species of dicotyledon are (Alternanthera) philoxeroides Griseb,Trifolium repens L., Hydropiper sibthorpioides Lam, Oxalis corymbosa Dc., Conyza canadensis (L.) Cronq, Kalimeris indida (L.) Sch-Bip, and Artemisia lactiflora Will, and monocotyledon (Cynodon) dactylon (L.) Pers, Digitaria sanguinalis(L.)Scop, Paspalum distichum L and Kyllinga brerifolia Rottb. The method of controlling weeds is put forward at the same time.

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Available abstract

Lawn weed species and their occurrence period in Duyun district were investigated and the harm degree was evaluated by using the multi-rank way. The results show that the dominant weed species of dicotyledon are (Alternanthera) philoxeroides Griseb,Trifolium repens L., Hydropiper sibthorpioides Lam, Oxalis corymbosa Dc., Conyza canadensis (L.) Cronq, Kalimeris indida (L.) Sch-Bip, and Artemisia lactiflora Will, and monocotyledon (Cynodon) dactylon (L.) Pers, Digitaria sanguinalis(L.)Scop, Paspalum distichum L and Kyllinga brerifolia Rottb. The method of controlling weeds is put forward at the same time.

Key concepts: Digitaria sanguinalis, Weed, Alternanthera philoxeroides, Biology, Botany, Parthenium hysterophorus, Cynodon, Cynodon dactylon

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