CAJ | 학술논문

通过在人工草地设置不同管理模式、不同种植类型的2个实验组。对不同管理模式下杂草入侵情况进行分析,用重要值来反映各种杂草的入侵程度。人工管理组分别设置6种种植类型：鸭茅（80%）＋菊苣（20%）、鸭茅（80%）＋白三叶（20%）、车前草（80%）＋白三叶（20%）、黑麦草单播、车前草单播、鸭茅单播,以研究其对杂草抑制能力的大小和物种竞争力的大小。结果表明：共发现杂草18个科38个种,无人工管理组杂草入侵严重,有31种,占81.5%,优势杂草为灰菜、豨签、小飞蓬、空心莲子草;人工管理组有杂草10种,占26.3%,优势种为空性莲子草。不同种植类型下,黑麦草中入侵杂草种类只有4种,密度12.5株/m2,皆为最低,表明黑麦草竞争能力强于车前草和鸭茅。
통과재인공초지설치불동관리모식、불동충식류형적2개실험조。대불동관리모식하잡초입침정황진행분석,용중요치래반영각충잡초적입침정도。인공관리조분별설치6충충식류형：압모（80%）＋국거（20%）、압모（80%）＋백삼협（20%）、차전초（80%）＋백삼협（20%）、흑맥초단파、차전초단파、압모단파,이연구기대잡초억제능력적대소화물충경쟁력적대소。결과표명：공발현잡초18개과38개충,무인공관리조잡초입침엄중,유31충,점81.5%,우세잡초위회채、희첨、소비봉、공심련자초;인공관리조유잡초10충,점26.3%,우세충위공성련자초。불동충식류형하,흑맥초중입침잡초충류지유4충,밀도12.5주/m2,개위최저,표명흑맥초경쟁능력강우차전초화압모。
The situation of weeds invasion was analyzed by different level of management and planting model in cultivated grassland. The level of weeds invasion was analyzed by using importance value. Six sowing types were Dactylis glomerata( L. ) (80%) + Cichorittm intybus L. (20%) ,Dactylis glomerata( L. )(80% ) + Trifolium repens( 20% ),Plantago asiatica( L. )( 80% ) + Trifolium repens( 20% ),Lolium perenne (L.) ,Plantago asiatica (L.), Dactylis glomerata( L. ). The results showed that the many kinds of weeds were observed in cultivated grassland, which belong to 38 species in 18 families. The weeds were occurred seriously at extensive management, which were 81.5% including 31 species. The dominant weeds were Chenopodi- um album (L.) , Siegesbeckia orientalis (L.) , Conyza canadensis (L.) and Alternanthera philoxeroides (Mart.) Griseb. The weeds including 10 species were found at intensive management, Alternanthera philoxeroides (Mart.) Griseb was the dominate species. 4 weeds were observed in sowing Lolium perenne (L.) and its density was 12.5 plants per square meter in different planting group, all of these were the lowest compared to Dactylis glomerata( L. ) and Plantago asiatica( L. ).