CN102246643A - 降低高羊茅草坪修剪频率及增强其耐旱越夏能力的基质 - Google Patents

降低高羊茅草坪修剪频率及增强其耐旱越夏能力的基质 Download PDF

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CN102246643A
CN102246643A CN 201110104707 CN201110104707A CN102246643A CN 102246643 A CN102246643 A CN 102246643A CN 201110104707 CN201110104707 CN 201110104707 CN 201110104707 A CN201110104707 A CN 201110104707A CN 102246643 A CN102246643 A CN 102246643A
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马爱军
刘南清
何任红
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Jiangsu Polytechnic College of Agriculture and Forestry
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Abstract

本发明涉及一种降低高羊茅草坪修剪频率及增强其耐旱越夏能力的基质,其特征在于,包括体积百分含量为基质总体积20-35%的泥炭、40-55%的砻糠、18-19%的黄壤土、5-6%的保水剂,以及在每立方米的基质中用量20-40g粉剂的多效唑。本发明通过改善冷季型草坪草的基质配方,且通过试验,从草坪的越夏率、耐旱能力、修剪频率等各指标的结果表明,本发明所述的基质配方可以有效提高冷季型草坪草的抗逆性以及降低其修剪频率。

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降低高羊茅草坪修剪频率及增强其耐旱越夏能力的基质
技术领域
本发明涉及本发明涉及一种高羊茅草坪草基质配方,尤其是涉及一种可有效降低高羊茅草坪修剪频率及增强其耐旱越夏能力的基质配方,属于农业技术领域。 
背景技术
高羊茅草坪草性喜冷凉气候,能在冬季低温条件下维持生长,且保持一定绿色,而在夏季高温条件下则生长不良甚至死亡。由于暖季型草种因冬季枯黄而无法提供绿色,在我国大部分经济发达地区,为追求长的绿色期,大量种植冷季型草坪草高羊茅,尤其在我国华东、华中等地区,高羊茅草坪草种植面积占了冷季型草种应用的80%以上,但是高羊茅具有耐热性差、耐旱性差、容易感病、需要经常修剪等缺陷,因此属于养护成本较高的草种,在降低高羊茅草坪草修剪频率,提高其越夏率与抗旱能力等养护措施方面,研究较多,但是,有关采用一种特定的基质来降低高羊茅草坪草修剪频率,提高其越夏率与抗旱能力的研究较少。 
发明内容
为解决现有技术的不足,本发明的目的在于提供一种可有效提高高羊茅越夏率、抗旱力,并降低其修剪频率,解决高羊茅养护难问题的降低高羊茅草坪修剪频率及增强其耐旱越夏能力的基质配方。
为达到上述目的,本发明是通过以下的技术方案来实现的:
降低高羊茅草坪修剪频率及增强其耐旱越夏能力的基质,其特征在于,包括体积百分含量为基质总体积20-35%的泥炭、40-55%的砻糠、18-19%的黄壤土、5-6%的保水剂,以及在每立方米的基质中用量20-40g粉剂的多效唑。
其中,所述的保水剂(BASF)为钾-聚丙烯酸-聚丙烯酰胺共聚体。
本发明的有益效果是:本发明通过改善冷季型草坪草的基质配方,且通过试验,从草坪的越夏率、耐旱能力、修剪频率等各指标的结果表明,本发明所述的基质配方可以有效提高冷季型草坪草的抗逆性以及降低其修剪频率。
具体实施方式
以下结合具体的实施例以及实验数据对本发明作进一步的说明。
基质选用:降低高羊茅草坪修剪频率及增强其耐旱越夏能力的基质,包括体积百分含量为基质总体积20-35%的泥炭、40-55%的砻糠、18-19%的黄壤土、5-6%的保水剂,以及在每立方米的基质中用量20-40g粉剂的多效唑,其中,所述的保水剂(BASF)为钾-聚丙烯酸-聚丙烯酰胺共聚体
试验材料:高羊茅。
试验方法:试验采用盆栽试验进行,3月中旬在装满上述基质的托盘(长宽高为60cm*40cm*4cm)中播种冷季型草坪草高羊茅,一组采用本基质配方,一组为普通无土草毯生产基质作为对照,整个试验期间对植物材料进行正常管理。
试验设9个基质配方,每个配方设3个重复,每个重复5盆。
表1为选用的9种基质配方的组分及体积百分比组成。
表1:
Figure 977200DEST_PATH_IMAGE001
 
指标测定:
对高羊茅进行正常水肥管理。
修剪频率测定:当高羊茅生长至6厘米时开始修剪,按照三分之一修剪原则,修剪去草坪草叶片2厘米长,保持修剪留茬高度4厘米,记录全年每个配方的高羊茅修剪的总次数;
需水量测定:当高羊茅由于自然蒸发导致干旱缺水,出现叶色暗淡轻微卷曲时,对高羊茅进行浇透水,记录全年每个配方的总需水量;
夏季叶片感病率:夏季高温胁迫时高羊茅易感病,用10cm *10cm的样框定点取样,调查样框内高羊茅发病叶片占总叶片的百分率,最为发病系数;
越夏率:在5下旬测定高羊茅的密度,越夏后的9月上旬再测定一次高羊茅的密度,把越夏后的高羊茅密度与越夏前的密度之比作为越夏率。
越冬枯黄率:3月份调查越冬后高羊茅叶片的枯黄度,用枯黄叶片与正常绿色叶片的百分比来表述;
草坪全年综合质量:每季度的中间一个月份对高羊茅的外观质量进行综合评测,然后用四季度的平均质量分值作为全年综合质量分值。
表2为不同基质配方对高羊茅草坪修剪频率、需水量、夏季叶片感病率、越夏率、越冬枯黄率、草坪综合质量的影响。
表2:
Figure 832023DEST_PATH_IMAGE002
在表2中,同一行中标有不同小写字母者表示差异显著(p<0.05),同一行中标有不同大写字母者表示差异极显著(p<0.01)。
由表2可知,所有的基质配方都成倍、甚至几倍地降低了高羊茅的修剪频率,其中配方P3对修剪频率的降低作用最大,全年仅修剪3次且能维持较高的草坪质量,不同的基质配方对修剪频率的降低作用依次为:P3>P2″>P1″>P3″P2>P1′>P2′=P3′>P1>CK;
试验中,所有的基质配方都极显著地减少了灌溉需水量,配方P3需水量最少,不同的基质配方的需水量大小依次为:CK>P1>P2′>P3′>P1′>P2>P3″>P1″>P2″>P3;
在夏季,所有的基质配方都极显著地降低了高羊茅叶片的感病率,其中配方P1″叶片感病率最低,不同的基质配方的叶片感病率大小次序依次为:CK>P1>P2′>P3′>P1′>P2>P3″> P3>P2″> P1″;
在对越夏率影响上,所有的基质配方都极显著地提高了高羊茅的越夏率,其中配方P3的高羊茅越夏率最高,达到86.1%,不同的基质配方对高羊茅越夏率提高作用的大小依次为:P3>P1″>P2″>P3″> P2>P1′>P3′>P2′>P1>CK;
在对越冬枯黄率影响上,所有的基质配方都极显著地降低了高羊茅的越冬枯黄率,其中配方P3的高羊茅越冬枯黄率最低,仅有28.7%出现了冬季枯黄现象,不同的基质配方的高羊茅越冬枯黄率大小依次为:CK>P1>P2′>P3′>P1′=P3″>P2> P2″> P1″> P3;
在对高羊茅草坪综合质量的影响上,所有的基质配方都极显著地提高了高羊茅的全年草坪综合质量,其中配方P2与P3′的草坪综合质量最高,不同的基质配方的高羊茅草坪综合质量分值的高低依次为:P2=P3′>P2′>P1=P3″>P3>P2″>P1′>P1″>CK。
上面试验数据充分说明:本发明所述的基质配方可有效降低高羊茅草坪修剪频率及增强其耐旱越夏能力。
上述实施例不以任何形式限制本发明,凡采用等同替换或等效变换的方式所获得的技术方案,均落在本发明的保护范围内。

Claims (2)

1.降低高羊茅草坪修剪频率及增强其耐旱越夏能力的基质,其特征在于,包括体积百分含量为基质总体积20-35%的泥炭、40-55%的砻糠、18-19%的黄壤土、5-6%的保水剂,以及在每立方米的基质中用量20-40g粉剂的多效唑。
2.根据权利要求1所述的降低高羊茅草坪修剪频率及增强其耐旱越夏能力的基质,其特征在于,所述的保水剂为钾-聚丙烯酸-聚丙烯酰胺共聚体。
CN 201110104707 2011-04-26 2011-04-26 降低高羊茅草坪修剪频率及增强其耐旱越夏能力的基质 Pending CN102246643A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
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CN102838429A (zh) * 2012-09-13 2012-12-26 江苏省农业科学院 一种以中药渣为主要原料的蔬菜有机栽培基质及其制备方法
CN111990211A (zh) * 2020-08-27 2020-11-27 江苏丘陵地区镇江农业科学研究所 一种盆栽植物轻型耐旱型栽培基质及其制备方法

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US4986026A (en) * 1988-07-27 1991-01-22 Decker Henry F Alternative method for producing tall fescue sod
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4986026A (en) * 1988-07-27 1991-01-22 Decker Henry F Alternative method for producing tall fescue sod
CN1273766A (zh) * 1999-05-13 2000-11-22 江苏省句容农业学校 无土草坪毯及其生产方法
CN1557135A (zh) * 2004-01-30 2004-12-29 王小丽 无土草坪基质及其制作方法

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102838429A (zh) * 2012-09-13 2012-12-26 江苏省农业科学院 一种以中药渣为主要原料的蔬菜有机栽培基质及其制备方法
CN111990211A (zh) * 2020-08-27 2020-11-27 江苏丘陵地区镇江农业科学研究所 一种盆栽植物轻型耐旱型栽培基质及其制备方法

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