3个居群野生草地早熟禾的坪用性状评价
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摘要
以山西野生3个居群草地早熟禾种质资源为试验材料,采用完全随机设计,通过测定密度、株高、盖度、绿度、质地、均一性、生长速度和再生速度等坪用性状指标评价野生优异种群的坪用特性。结果表明,不同居群野生草地早熟禾从出苗到成坪所需的时间为51～59 d;从再生速度来看,太原东山居群再生速度最快,为0.55 cm/d;坪用性状综合评价为以太原东山居群密度、盖度最低,沁水居群密度和盖度最高。3个居群野生草坪草后期经过引种驯化后可直接作为一种草坪草种推广利用。
The germplasm resources of three populations of bluegrass in wild grassland in Shanxi province were studied in this experiment, which was designed completely randomly. The turf quality of excellent populations of wild grassland was evaluated through the determination of density, plant height, coverage, green degree, texture, uniformity, regeneration and growth speed as well as other properties. The results showed that different populations of grass required 51-59 d when testing the seedling and turf-forming period.And the population of bluegrass on Dongshan mountain in Taiyuan enjoyed the fastest regeneration rate, which was 0.55 cm/d. Based on an overall evaluation on turf quality, it was found that the density and coverage of bluegrass on Dongshan mountain in Taiyuan were the lowest, while the bluegrass of Qinshui had the highest density and coverage. All these three populations of wild bluegrass can be directly used as turfgrass species after introduction and domestic.
The germplasm resources of three populations of bluegrass in wild grassland in Shanxi province were studied in this experiment, which was designed completely randomly. The turf quality of excellent populations of wild grassland was evaluated through the determination of density, plant height, coverage, green degree, texture, uniformity, regeneration and growth speed as well as other properties. The results showed that different populations of grass required 51-59 d when testing the seedling and turf-forming period.And the population of bluegrass on Dongshan mountain in Taiyuan enjoyed the fastest regeneration rate, which was 0.55 cm/d. Based on an overall evaluation on turf quality, it was found that the density and coverage of bluegrass on Dongshan mountain in Taiyuan were the lowest, while the bluegrass of Qinshui had the highest density and coverage. All these three populations of wild bluegrass can be directly used as turfgrass species after introduction and domestic.
引文
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[2]李寿田,韩建国,毛培胜. 26个草地早熟禾品种苗期抗旱性综合评价[J].草业科学,2012,29(7):1114-1119.
[3]湛妲,孙鑫博,濮阳雪华,等. 16个草地早熟禾品种耐热性能的比较[J].中国草地学报,2012,20(1):63-69.
[4]陈雅君,王洪宝,冯淑华,等.草地早熟禾不同品种干旱胁迫下HVA1抗旱基因表达分析[J].东北农业大学学报,2005,36(2):166-169.
[5]信金娜.草地早熟禾抗旱耐盐基因的遗传转化[D].北京:北京林业大学,2006:20-69.
[6]鲁存海. 8种野生早熟禾抗旱性及草坪质量综合评价研究[D].兰州:甘肃农业大学,2010.
[7]王秀萍. 4种冷季型草坪草在扬州地区的品质特性评定[D].扬州:扬州大学,2012.
[8]张劲东.美国杂交早熟禾坪用性状研究[D].兰州:甘肃农业大学,2009.
[9]张跃进,张小燕.几种草坪草的引种栽培试验研究[J].西北植物学报,2003,23(7):1311-1313.
[10]彭燕,邱英,刘霞,等.亚热带湿润区野生草地早熟禾生长特性及坪用价值研究[J].四川农业大学学报,2008,26(1):40-44.
[11]武保国,陈风林,权宁玉. GB 6142—1985禾本科主要栽培牧草种子质量分级[S].北京:中国标准出版社,1985.
[12]柳小妮,曹致中.几种早熟禾耐热性研究[J].中国草地,2002(3):40-45.
[13]余玲,王彦荣,孙建华.野大麦种子萌发条件及抗逆性研究[J].草业学报,1999(1):50-57.
[14]孙海莲,额木和,阿拉塔,等.草地早熟禾的选育研究与利用[J].草原与草坪,2001(3):35-37.