ACTA AGRICULTURAE BOREALI-SINICA ›› 2006, Vol. 21 ›› Issue (1): 129-132. doi: 10.3321/j.issn:1000-7091.2006.01.029

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Evaluation of Ornamental Characters of Introduced Drought-tolerent Perennial Ornamental Grasses in Spring

WU Ju-ying, TENG Wen-jun, WANG Qing-hai   

  1. Beijing Research and Development Center for Grass and Environment, Beijing 100089, China
  • Received:2005-10-27 Published:2006-02-28

Abstract: Ornamental characters of 20 introduced Drought-tolerent perennial Ornamental Grasses were evaluated using gray-correlation analysis based on the plant growing situation,ornamental character,inflorescence aesthetic feeling,leaf color and overwintering survive rate.The results showed that Elytrigia repens,Festuca ovina,Stipa krylovii,Arrhenatherum elatius and Eragrostis curvula have better ornamental effects and can be used for landscaping directly.The correlation degree of Anemathele lessoniana and Imperata cylindrical with ideal species are very low,only 0.4435 and 0.5535,respectively.The ornamental value of rundo donax is highter,but its overwrintering survival rate is very poor.

Key words: Perennial ornamental grass, Gray correlation analysis, Ornamental character, Correlation degree, comprehensive evaluation

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WU Ju-ying, TENG Wen-jun, WANG Qing-hai. Evaluation of Ornamental Characters of Introduced Drought-tolerent Perennial Ornamental Grasses in Spring[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2006, 21(1): 129-132. doi: 10.3321/j.issn:1000-7091.2006.01.029.

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