WO2014036779A1 - 一种利用皱叶狗尾草绿化和净化住宅小区乔木下绿地的方法 - Google Patents
一种利用皱叶狗尾草绿化和净化住宅小区乔木下绿地的方法 Download PDFInfo
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- WO2014036779A1 WO2014036779A1 PCT/CN2012/083061 CN2012083061W WO2014036779A1 WO 2014036779 A1 WO2014036779 A1 WO 2014036779A1 CN 2012083061 W CN2012083061 W CN 2012083061W WO 2014036779 A1 WO2014036779 A1 WO 2014036779A1
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- seeds
- leaves
- soil
- melaleuca
- setaria
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 240000007984 Setaria plicata Species 0.000 title claims abstract description 8
- 235000006806 Setaria plicata Nutrition 0.000 title claims abstract description 8
- 230000007226 seed germination Effects 0.000 claims abstract description 48
- 239000002689 soil Substances 0.000 claims abstract description 41
- 230000004083 survival effect Effects 0.000 claims abstract description 25
- 238000009331 sowing Methods 0.000 claims abstract description 19
- 238000002791 soaking Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 241000196324 Embryophyta Species 0.000 claims description 14
- 241000378467 Melaleuca Species 0.000 claims description 14
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims description 11
- 239000004021 humic acid Substances 0.000 claims description 11
- 230000035784 germination Effects 0.000 claims description 9
- 239000003337 fertilizer Substances 0.000 claims description 5
- 238000009835 boiling Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 239000003895 organic fertilizer Substances 0.000 claims description 3
- 235000005775 Setaria Nutrition 0.000 claims 7
- 241000232088 Setaria <nematode> Species 0.000 claims 7
- 241000366182 Melaleuca alternifolia Species 0.000 claims 2
- 238000001802 infusion Methods 0.000 claims 2
- 238000012258 culturing Methods 0.000 claims 1
- 235000001167 Melaleuca cajuputi Nutrition 0.000 abstract description 8
- 235000001136 Melaleuca leucadendron Nutrition 0.000 abstract description 8
- 240000007220 Melaleuca leucadendra Species 0.000 abstract 1
- 244000025254 Cannabis sativa Species 0.000 description 29
- 240000001592 Amaranthus caudatus Species 0.000 description 28
- 235000009328 Amaranthus caudatus Nutrition 0.000 description 25
- 241000255925 Diptera Species 0.000 description 9
- 244000203416 Melaleuca leucadendron Species 0.000 description 7
- 238000007654 immersion Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 235000002020 sage Nutrition 0.000 description 6
- 238000010899 nucleation Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 241001290610 Abildgaardia Species 0.000 description 1
- 240000006063 Averrhoa carambola Species 0.000 description 1
- 235000010082 Averrhoa carambola Nutrition 0.000 description 1
- 241000174274 Cathedra serrata Species 0.000 description 1
- 244000071736 Corypha sylvestris Species 0.000 description 1
- 244000004281 Eucalyptus maculata Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 240000004153 Hibiscus sabdariffa Species 0.000 description 1
- 235000001018 Hibiscus sabdariffa Nutrition 0.000 description 1
- 241000532927 Lagerstroemia Species 0.000 description 1
- 241000209504 Poaceae Species 0.000 description 1
- 235000005291 Rumex acetosa Nutrition 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 235000003513 sheep sorrel Nutrition 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
Definitions
- the invention relates to a method for constructing a shade-tolerant lawn in a green residential area of an urban residential community, in particular to a greening and purifying residence using a shade-tolerant grass species, Setaria plicata ( Lamk. ) T. Cooke The method of arbor under the green area. Background technique:
- the undergrowth green land is a common green land form for urban residential community greening. It plays an important role in adsorbing dust, purifying air, fixing C0 2 and releasing 0 2 , and enhancing landscape effects.
- there are not many shade-tolerant grass layers in the undergrowth of residential communities and there are fewer grass species under the greenbelt, resulting in weeds or bales under many trees and shrubs, especially in residential areas.
- herbaceous plants are costly to grow, grow slowly, and are prone to mosquitoes and flies. The main reason for this is that there are different degrees of shading in these places, and the general turfgrass species are difficult to survive, resulting in poor general quality of such undergrowth green spaces. To this end, it is necessary to create a planting technique for shade-tolerant green land in the lower part of the residential community.
- Setaria plicata ( hamk . ) T .
- Cooke is a plant of the family Gramineae, also known as horse grass and sorrel. It is a perennial herb with a height of 30-50cm. Its stalks are erect and the base is sometimes wide. The leaves are elliptical to oblong, with strong pleats, 7-20cn long, l-3cm wide, and tapered at both ends. The veins on both sides are sparsely elongated. Its panicle spires up to 30cm long. Carambola, spikelet elliptic, ca. 3 mm, shortly pointed, densely arranged on short twigs. Heading from September to October.
- a first object of the present invention is to provide a method for increasing the seed germination rate and survival rate of foxtail grass.
- a method for improving seed germination rate and survival rate of Setaria plicata ( Lamk. ) T. Cooke characterized in that the leaves of Melaleuca leucadendra Um leaves are soaked in the leaves of the leaves of the larvae of the leaves of Melaleuca leucadendra Um 5 ⁇ 8 minutes, sowing and germination occurred.
- the leaf immersion liquid of the white layer leaves is preferably prepared by the following method: adding 3 kg of water per kilogram of dried white layer leaves, boiling for 10 minutes, and filtering the leaf immersion liquid of the white layer leaves.
- humic acid is mixed per kilogram of the foxtail seeds, and the seeding and growth are long.
- a second object of the present invention is to provide a method for greening and purifying green grass under the arbor of a residential community by using the foxtail foxtail grass, and the seed germination rate and survival rate of the foxtail sage are treated by special treatment, and the rapid and effective greening of the foxtail grass is utilized. Purify the residential area under the arbor.
- the invention relates to a method for greening and purifying green land under the arbor of a residential community, which comprises the following steps: soaking the seeds of the foxtail grass with the leaf immersion liquid of the white layer of leaves for 5-8 minutes, and then 8 ⁇ The density of 12g/m 2 seeds was spread to the soil under various arbor green forests in the residential community. During the seed germination, the soil moisture content was controlled to 25 ⁇ 30%, and the seed germination occurred.
- the leaf immersion liquid of the Melaleuca latifolia leaf is preferably prepared by the following method: adding 3 kg of water per kilogram of the fallen white layer leaves, boiling for 10 minutes, and filtering the leaf immersion liquid of the white layer leaves.
- the seeds of the foxtail grass with the leaf extract of the Melaleuca sinensis leaves for 5-8 minutes, then mixing 10-12 g of humic acid per kilogram of the foxtail seeds, and then 8-12 g/ The density of m 2 seeds was spread to the soil under various arbor green forests in the residential community. During the germination of the seeds, the soil moisture content was controlled to 25-30%, and the seed germination occurred.
- the weeds in the soil to be sown are removed before sowing, and when the soil is relatively poor, the machine fertilizer may be first applied as the base fertilizer.
- the method of the present invention utilizes the method of greening and purifying the green land under the arbor of the residential community, and the present invention can be well implemented when the soil shading rate of the planting site is 20 to 90%.
- the invention utilizes the leaf immersion liquid of the white layer leaves to treat the seeds of the foxtail foxtail, the seed germination rate is more than 86%, the survival rate is more than 60%; and the foxtail grass which is not treated with the leaf immersion liquid of the white layer leaves Seeds, the seed germination rate is only more than 52%, and the survival rate is less than 10%. It can be seen that the treatment of the seed germination rate of the seeds of the sedge leaf can be effectively improved by treating the leaves of the foxtail grass with the leaf extract of the white layer leaves. Survival rate, which saves seeding and reduces costs.
- humic acid is mixed with each kilogram of the stalk of the stalk of the stalk of the stalk of the stalk, and the seed germination rate is 95. More than %, up to 99%, survival rate of more than 90%, leaf extract of white layer leaves and The combination of humic acid can further improve the seed germination rate and survival rate of the seeds of the foxtail leaf, thereby saving seeding and further reducing the cost.
- the invention adopts a grass species with strong shade tolerance, a cold season type and a warm season type, and a native plant, a wrinkle leaf foxtail, as a green grass under the green arbor forest of a residential community, and has strong resistance. Shade, easy to grow, less management, fast growing, covering the surface quickly, forming a dense grass layer in a short period of time, using the leaf extract of the white layer leaves to treat the seeds of the foxtail Increasing the seed germination rate and survival rate of the seeds of C. serrata, the seed germination rate is over 86%, the survival rate is more than 60%, and then spread to the soil under various arbor green forests in the residential community, controlling the soil during seed germination.
- the moisture content is 25 ⁇ 30%, the seed germination occurs long, and after the seed germination, no cultivation management is required.
- a densely formed grass quilt layer of 10 cm height can be formed in a week or so, without trimming.
- the foxtail grass is a native plant, its fruit is also edible (no poisoning), does not cause biological invasion, its root system is developed, it has strong soil and water conservation ability, basically no fertilization, and few pests and diseases occur, so it is built.
- Planting and management costs are very low, the most important thing is that it also has the effect of repelling mosquitoes and flies, neat and beautiful landscape, so it has the dual functions of greening and purification, can be partially stepped on, is very suitable for residential use, can also be used Greening and purification under the viaduct.
- the shading rate is 35%).
- the weeds in the soil are removed before sowing.
- the water content of the soil is controlled by watering between 25 and 30%, and the seed germination is long. Seed germination rate and survival rate, the seed germination rate was 52%, and the survival rate was 10%.
- the leaves of the Melaleuca leucadendra Umi were collected and added to 3 kg of water per kilogram of dried white layer leaves, boiled for 10 min, and the leaf extract of the white layer leaves was filtered.
- the seeds of the foxtail sage were soaked in the leaf extract of the Melaleuca chinensis leaves for 5 min, then spread to the soil under the arbor forest of the South China Botanical Garden at a density of 10 g/m 2 (the shading rate was 40%), and the impurities in the soil were removed before sowing.
- the leaves of the Melaleuca leucadendra Umi were collected and added to 3 kg of water per kilogram of dried white layer leaves, boiled for 10 min, and the leaf extract of the white layer leaves was filtered.
- the seeds of the foxtail sage were soaked in the leaf extract of the Melaleuca chinensis leaves for 8 min, and then spread to the soil under the arbor forest of the South China Botanical Garden at a density of 12 g/m 2 (the shading rate was 40%), and the impurities in the soil were removed before sowing.
- the leaves of the Melaleuca leucadendra Umi were collected and added to 3 kg of water per kilogram of dried white layer leaves, boiled for 10 min, and the leaf extract of the white layer leaves was filtered.
- the seeds of the foxtail sage were soaked in the leaf extract of the white layer of leaves for 8 min, then 10 g of humic acid was mixed per kg of seeds, and then spread to the soil under the arbor forest of the South China Botanical Garden at a density of 10 g/m 2 (shading rate). 40%), remove the weeds in the soil before sowing, usually 3 days after sowing during seed germination.
- the leaves of the Melaleuca leucadendra Umi were collected and added to 3 kg of water per kilogram of dried white layer leaves, boiled for 10 min, and the leaf extract of the white layer leaves was filtered.
- the seeds of the foxtail sage were soaked in the leaf extract of the white layer of leaves for 5 min, then 12 g of humic acid was mixed per kg of seed, and then spread to the soil under the arbor forest of the South China Botanical Garden at a density of 8 g/m 2 (shading rate). 40%), remove the weeds in the soil before sowing.
- the water content of the soil is controlled by watering between 25 ⁇ 30%, the seed germination is long, and the seed germination rate is statistically calculated. And survival rate, the seed germination rate was 99%, and the survival rate was 91%.
- the experimental plots were grounded to remove weeds from the soil, and lkg/10m 2 organic fertilizer was used as the base fertilizer.
- the leaves of the Melaleuca leucadendra Umi were collected and added to 3 kg of water per kilogram of dried white layer leaves, boiled for 10 min, and the leaf extract of the white layer leaves was filtered.
- the seeds of the foxtail sage were soaked in the leaf extract of the Melaleuca sinensis for 5 min, then 10 g of humic acid was mixed per kg of seed, and then spread to the soil of the plot at a density of 12 g/m 2 during the seed germination ( Generally, it is 3 days after sowing.
- the water content of the soil is controlled by watering between 25 and 30%, the seed germination is long, the seed germination rate and survival rate are statistically calculated, and the seed germination rate is 99%, and the survival rate is 92%.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Botany (AREA)
- Environmental Sciences (AREA)
- Cultivation Of Plants (AREA)
- Pretreatment Of Seeds And Plants (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
一种利用皱叶狗尾草绿化和净化住宅小区乔木下绿地的方法，包括用白千层枯叶片的叶浸液浸泡皱叶狗尾草种子5-8分钟，再以8-12g/m2的密度撒播到住宅小区各类乔木绿地林下的土壤中，种子萌发期间控制土壤水分含量25-30%，种子萌发生长。该方法可提高种子萌发率、存活率。
Description
一种利用皱叶狗尾草绿化和净化住宅小区乔木下绿地的方法 技术领域：
本发明涉及一种城镇住宅小区绿地建设中耐荫草坪的建植方法，具体来说是涉 及一种利用耐荫性草种皱叶狗尾草 i Setaria plicata ( Lamk. ) T . Cooke ) 绿 化和净化住宅小区乔木下绿地的方法。 背景技术：
林下绿地是城镇住宅小区绿化的常见绿地形式， 它在吸附尘埃、 净化空气、 固 定 C02并放出 02、 增强景观效果等方面具有重要作用。 但是， 住宅小区林下绿地 中的耐荫型草被层建立的不多， 在绿地林下用的草种也较少， 导致许多乔木及灌木 下形成了杂草或光秃， 特别是在住宅小区的公共绿地中， 林下耐荫的环境下草本植 物种植成本高、 生长慢、 且易孳生蚊蝇。 其中最主要原因是这些地方存在不同程 度的遮光，一般的阳生性草坪草种难以生存，导致了这类林下绿地普遍质量较差。 为此， 创建住宅小区林下层耐荫绿地的建植技术是十分必要的。
皱叶狗尾草 ( Setaria plicata ( hamk . ) T . Cooke )是禾本科（Gramineae ) 植物， 又名马草、 烂衣草。 它为多年生草本， 高 30-50cm。 其秆直立， 基部有 时广展。 叶片椭圆形至矩圆形， 有强皱褶， 长 7-20cn， 宽 l-3cm， 两端渐尖， 两 面的脉上被乳突状疏长毛。 其圆锥花序尖塔形， 长达 30cm。 颖果， 小穗椭圆形， 长约 3mm， 短尖， 紧密排列于短的小枝上。 9-10月抽穗。 主要分布于印度、 马 来西亚和中国长江流域以南各省区。它主要生长于山坡林下、沟谷地阴湿处或路 边杂草地上。 果实可食， 药用主要是解毒杀虫， 驱风。 发明内容：
本发明的第一个目的是提供一种能够提高皱叶狗尾草种子萌发率和存活 率的方法。
一种提高皱叶狗尾草 ( Setaria plicata ( Lamk. ) T . Cooke ) 种子萌发 率和存活率的方法， 其特征在于， 用白千层 ( Melaleuca leucadendra Um 叶片的叶浸液浸泡皱叶狗尾草种子 5~8分钟， 播种培养萌发生长。
所述的白千层叶片的叶浸液优选通过以下方法制备： 按每千克枯落的白 千层叶片加入到 3kg的水中， 煮沸 10min， 过滤得白千层叶片的叶浸液。
进一步优选， 在用白千层叶片的叶浸液浸泡皱叶狗尾草种子 5~8 分钟 后， 再按每千克皱叶狗尾草种子拌上 10~12g的腐殖酸， 播种培养萌发生长。
本发明的第二个目的是提供一种利用皱叶狗尾草绿化和净化住宅小区乔 木下绿地的方法， 通过特殊处理使皱叶狗尾草种子萌发率和存活率高， 利用皱 叶狗尾草快速有效的绿化和净化住宅小区乔木下绿地。
一种利用皱叶狗尾草绿化和净化住宅小区乔木下绿地的方法， 其特征在 于， 包括以下步骤： 将皱叶狗尾草的种子用白千层叶片的叶浸液浸泡 5~8 分 钟， 再以 8~12g/m2种子的密度撒播到住宅小区各类乔木绿地林下的土壤中， 在 种子萌发期间控制土壤的水分含量为 25~30%， 种子萌发生长。
所述的白千层叶片的叶浸液优选通过以下方法制备： 按每千克枯落的白 千层叶片加入到 3kg的水中， 煮沸 10min， 过滤得白千层叶片的叶浸液。
进一步优选， 在将皱叶狗尾草的种子用白千层叶片的叶浸液浸泡 5~8分 钟后， 再按每千克皱叶狗尾草种子拌上 10~12g的腐殖酸， 然后以 8~12g/m2种 子的密度撒播到住宅小区各类乔木绿地林下的土壤中，在种子萌发期间控制土壤 的水分含量为 25-30%， 种子萌发生长。
优选， 在播种前， 清除待播种土壤中的杂草， 当土壤比较贫瘠时， 可先施有 机肥作为底肥。
本发明的利用皱叶狗尾草绿化和净化住宅小区乔木下绿地的方法， 播种 所在地土壤遮光率在 20~90%时， 本发明都能够很好的实施。
本发明利用白千层叶片的叶浸液对皱叶狗尾草种子进行处理， 其种子萌 发率达 86%以上， 存活率 60%以上； 而未用白千层叶片的叶浸液处理的皱 叶狗尾草种子， 其种子萌发率仅为 52%以上， 存活率低于 10% ; 由此可见， 利用白千层叶片的叶浸液处理皱叶狗尾草种子可以有效的提高皱叶狗尾草 种子的种子萌发率和存活率， 从而节约播种种子， 降低成本。
进一步在用白千层叶片的叶浸液浸泡皱叶狗尾草种子 5~8分钟后，再按 每千克皱叶狗尾草种子拌上 10~12g 的腐殖酸， 播种培养发芽， 其种子萌发率 达 95%以上， 最高可达 99%， 存活率达 90%以上， 白千层叶片的叶浸液和
腐植酸的结合处理可进一步的提高皱叶狗尾草种子的种子萌发率和存活 率， 从而更节约播种种子， 进一步降低成本。
本发明通过选择具有极强耐荫能力， 兼具冷季型和暖季型的草种、乡土植物 一皱叶狗尾草作为住宅小区绿地乔木林下建立绿地的草种， 利用其具有极强的 耐荫性， 且易种植， 少管理， 生长快， 覆盖地表快， 在较短时间内就可形成致密 的草层坪的特点， 利用白千层叶片的叶浸液对皱叶狗尾草种子进行处理， 提 高皱叶狗尾草种子的种子萌发率和存活率， 其种子萌发率达 86%以上， 存 活率 60%以上， 然后再撒播到住宅小区各类乔木绿地林下的土壤中， 在种子萌 发期间控制土壤的水分含量为 25~30%， 种子萌发生长， 种子萌发后， 无需栽培 管理， 一般一周左右即可形成 10cm高的致密成型的草被层， 不必修剪。 皱叶狗 尾草是乡土植物， 其果实也可食 （不会造成中毒）， 不会造成生物入侵， 其根系 发达， 具有较强的水土保持能力， 基本上不用施肥， 而且极少病虫害发生， 因而 建植与管理成本都很低，最重要的是它还具有驱避蚊蝇的作用，整齐且景观漂亮， 因此有绿化和净化双重功能， 可部分耐踩踏， 非常适于住宅区使用， 也可用于高 架桥下绿化净化用。 具体实施方式：
以下实施例是对本发明的进一步说明， 而不是对本发明的限制。
对比例 1 :
将皱叶狗尾草种子以 10g/m2的密度撒播到华南植物园乔木林下的土壤中
(遮光率为 35%)， 播种前清除土壤中的杂草， 在种子萌发期间 （一般为播种后 3天） 通过浇水控制土壤的水分含量为 25~30%之间， 种子萌发生长， 统计种子 萌发率和存活率， 其种子萌发率为 52%， 存活率为 10%。
对比例 2:
将皱叶狗尾草种子按每千克种子拌 10g 的腐殖酸， 再以 10g/m2的密度 撒播到华南植物园乔木林下的土壤中 （遮光率为 35% )， 播种前清除土壤中的杂 草， 在种子萌发期间 （一般为播种后 3 天） 通过浇水控制土壤的水分含量为 25~30%之间， 种子萌发生长， 统计种子萌发率和存活率， 其种子萌发率为 65%， 存活率为 50%。
实施例 1 :
收集白千层 ( Melaleuca leucadendra Umi ) 枯落的叶片， 按每千克枯落的 白千层叶片加入到 3kg的水中， 煮沸 10min， 过滤得白千层叶片的叶浸液。 将 皱叶狗尾草种子用白千层叶片的叶浸液浸泡 5min， 再以 10g/m2的密度撒播 到华南植物园乔木林下的土壤中 （遮光率为 40% )， 播种前清除土壤中的杂草， 在种子萌发期间 （一般为播种后 3天） 通过浇水控制土壤的水分含量为 25~30% 之间， 种子萌发生长， 统计种子萌发率和存活率， 其种子萌发率为 86%， 存活率 为 60%。皱叶狗尾草种子萌发后， 不必栽培管理， 1周后形成近 10cm高的致密 的草被层， 不必修剪。 两周后即达 20~30cm高度。 经一年多的观察， 该草层在 样地生长良好， 景观美， 且无蚊虫。
实施例 2:
收集白千层 ( Melaleuca leucadendra Umi ) 枯落的叶片， 按每千克枯落的 白千层叶片加入到 3kg的水中， 煮沸 10min， 过滤得白千层叶片的叶浸液。 将 皱叶狗尾草种子用白千层叶片的叶浸液浸泡 8min， 再以 12g/m2的密度撒播 到华南植物园乔木林下的土壤中 （遮光率为 40% )， 播种前清除土壤中的杂草， 在种子萌发期间 （一般为播种后 3天） 通过浇水控制土壤的水分含量为 25~30% 之间， 种子萌发生长， 统计种子萌发率和存活率， 其种子萌发率为 87%， 存活率 为 62%。皱叶狗尾草种子萌发后， 不必栽培管理， 1周后形成近 10cm高的致密 的草被层， 不必修剪。 两周后即达 20-30cm高度。 经一年多的观察， 该草层在样 地生长良好， 景观美， 且无蚊虫。
实施例 3:
收集白千层 ( Melaleuca leucadendra Umi ) 枯落的叶片， 按每千克枯落的 白千层叶片加入到 3kg的水中， 煮沸 10min， 过滤得白千层叶片的叶浸液。 将 皱叶狗尾草种子用白千层叶片的叶浸液浸泡 8min， 再按每千克种子拌 10g 的腐殖酸， 再以 10g/m2的密度撒播到华南植物园乔木林下的土壤中 （遮光率 为 40% )， 播种前清除土壤中的杂草， 在种子萌发期间一般为播种后 3天） 通过 浇水控制土壤的水分含量为 25~30%之间， 种子萌发生长， 统计种子萌发率和存 活率， 其种子萌发率为 95%， 存活率为 90%。 皱叶狗尾草种子萌发后， 不必栽 培管理， 1周后形成近 10cm高的致密的草被层，不必修剪。两周后即达 20-30cm
高度。 经一年多的观察， 该草层在样地生长良好， 景观美， 且无蚊虫。
实施例 4:
收集白千层 ( Melaleuca leucadendra Umi ) 枯落的叶片， 按每千克枯落的 白千层叶片加入到 3kg的水中， 煮沸 10min， 过滤得白千层叶片的叶浸液。 将 皱叶狗尾草种子用白千层叶片的叶浸液浸泡 5min， 再按每千克种子拌 12g 的腐殖酸， 再以 8g/m2的密度撒播到华南植物园乔木林下的土壤中 （遮光率为 40% ) , 播种前清除土壤中的杂草， 在种子萌发期间 （一般为播种后 3天） 通过 浇水控制土壤的水分含量为 25~30%之间， 种子萌发生长， 统计种子萌发率和存 活率， 其种子萌发率为 99%， 存活率为 91%。 皱叶狗尾草种子萌发后， 不必栽 培管理， 1周后形成近 10cm高的致密的草被层，不必修剪。两周后即达 20-30cm 高度。 经一年多的观察， 该草层在样地生长良好， 景观美， 且无蚊虫。
实施例 5:
地点： 中国科学院华南植物园客座公寓侧边榕树、 白千层和紫薇林下， 遮光 率为： 30-50%
先将实验样地进行整地， 清除土壤中的杂草， 施 lkg/10m2有机肥作为底肥。 收集白千层 ( Melaleuca leucadendra Umi ) 枯落的叶片， 按每千克枯落的 白千层叶片加入到 3kg的水中， 煮沸 10min， 过滤得白千层叶片的叶浸液。 将 皱叶狗尾草种子用白千层叶片的叶浸液浸泡 5min， 再按每千克种子拌 10g 的腐殖酸， 再以 12g/m2的密度撒播到样地的土壤中， 在种子萌发期间 （一般 为播种后 3天） 通过浇水控制土壤的水分含量为 25~30%之间， 种子萌发生长， 统计种子萌发率和存活率， 其种子萌发率为 99%， 存活率为 92%。 皱叶狗尾草 种子萌发后， 不必栽培管理， 1周后形成近 10cm高的致密的草被层， 不必修剪。 两周后即达 20-30cm高度。 经一年多的观察， 该草层在样地生长良好， 景观美， 且无蚊虫。
Claims
1、 一种提高皱叶狗尾草 i Setaria plicata ( Lamk . ) T . Cooke ) 种子萌 发率和存活率的方法， 其特征在于， 用白千层（Me/ii/e cii /e ci¾ e/ ra Linn ) 叶片的叶浸液浸泡皱叶狗尾草种子 5~8分钟， 播种培养萌发生长。
2、 根据权利要求 1所述的方法， 其特征在于， 所述的白千层叶片的叶 浸液是通过以下方法制备的： 按每千克枯落的白千层叶片加入到 3kg的水中， 煮沸 10min， 过滤得白千层叶片的叶浸液。
3、 根据权利要求 1或 2所述的方法， 其特征在于， 在用白千层叶片的 叶浸液浸泡皱叶狗尾草种子 5~8 分钟后， 再按每千克皱叶狗尾草种子拌上 10~ 12g的腐殖酸， 播种培养萌发生长。
4、 一种利用皱叶狗尾草绿化和净化住宅小区乔木下绿地的方法， 其特征 在于， 包括以下步骤： 将皱叶狗尾草的种子用白千层叶片的叶浸液浸泡 5~8 分钟， 再以 8~12g/m2种子的密度撒播到住宅小区各类乔木绿地林下的土壤中， 在种子萌发期间控制土壤的水分含量为 25~30%， 种子萌发生长。
5、 根据权利要求 4所述的方法， 其特征在于， 所述的白千层叶片的叶浸 液是通过以下方法制备的： 按每千克枯落的白千层叶片加入到 3kg的水中， 煮 沸 10min， 过滤得白千层叶片的叶浸液。
6、 根据权利要求 4或 5所述的方法， 其特征在于， 在将皱叶狗尾草的种子 用白千层叶片的叶浸液浸泡 5~8 分钟后， 再按每千克皱叶狗尾草种子拌上 10~ 12g的腐殖酸， 然后以 8~12g/m2种子的密度撒播到住宅小区各类乔木绿地林 下的土壤中， 在种子萌发期间控制土壤的水分含量为 25-30%， 种子萌发生长。
7、 根据权利要求 4或 5所述的方法， 其特征在于， 在播种前， 清除待播种 土壤中的杂草， 当土壤比较贫瘠时， 先施有机肥作为底肥。
8、 根据权利要求 6所述的方法， 其特征在于， 在播种前， 清除待播种土壤 中的杂草， 当土壤比较贫瘠时， 先施有机肥作为底肥。
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