草业学报
草業學報
초업학보
Acta Prataculturae Sinica
2015年
11期
174-182
,共9页
伏兵哲%高雪芹%高永发%李东宁%张龙%张蓉
伏兵哲%高雪芹%高永髮%李東寧%張龍%張蓉
복병철%고설근%고영발%리동저%장룡%장용
苜蓿%农艺性状%生产性能%灰色关联分析%综合评价
苜蓿%農藝性狀%生產性能%灰色關聯分析%綜閤評價
목숙%농예성상%생산성능%회색관련분석%종합평개
alfalfa%agronomic traits%production performance%grey correlation analysis%comprehensive evalua-tion
为了明确苜蓿主要农艺性状与产量关系以及不同品种资源的生产特性,应用相关和灰色关联度对国内外21个苜蓿品种的主要农艺性状进行了关联性分析和生产性能综合评价。结果表明:生长速度,株高和鲜干比与干草产量的相关系数分别为0.87,0.86和0.55,存在极显著相关(P <0.01),同时灰色关联度较大,分别为0.8360,0.8330和0.7716,故这3个性状与干草产量之间有较大的关联性;单位面积植株数、一级分枝数和二级分枝数与干草产量不存在显著相关(P >0.05),且灰色关联度较小,分别为0.5921,0.6267和0.7406,与干草产量之间的关联性相对较小。通过最优关联度综合评价,甘农5号、金皇后、WL363HQ、WL319HQ 和三得利与标准品种的关联度较大,在宁夏灌区生产性能表现较好;而敖汉、草原3号和甘农2号与标准品种的关联度较小,生产性能表现较差。
為瞭明確苜蓿主要農藝性狀與產量關繫以及不同品種資源的生產特性,應用相關和灰色關聯度對國內外21箇苜蓿品種的主要農藝性狀進行瞭關聯性分析和生產性能綜閤評價。結果錶明:生長速度,株高和鮮榦比與榦草產量的相關繫數分彆為0.87,0.86和0.55,存在極顯著相關(P <0.01),同時灰色關聯度較大,分彆為0.8360,0.8330和0.7716,故這3箇性狀與榦草產量之間有較大的關聯性;單位麵積植株數、一級分枝數和二級分枝數與榦草產量不存在顯著相關(P >0.05),且灰色關聯度較小,分彆為0.5921,0.6267和0.7406,與榦草產量之間的關聯性相對較小。通過最優關聯度綜閤評價,甘農5號、金皇後、WL363HQ、WL319HQ 和三得利與標準品種的關聯度較大,在寧夏灌區生產性能錶現較好;而敖漢、草原3號和甘農2號與標準品種的關聯度較小,生產性能錶現較差。
위료명학목숙주요농예성상여산량관계이급불동품충자원적생산특성,응용상관화회색관련도대국내외21개목숙품충적주요농예성상진행료관련성분석화생산성능종합평개。결과표명:생장속도,주고화선간비여간초산량적상관계수분별위0.87,0.86화0.55,존재겁현저상관(P <0.01),동시회색관련도교대,분별위0.8360,0.8330화0.7716,고저3개성상여간초산량지간유교대적관련성;단위면적식주수、일급분지수화이급분지수여간초산량불존재현저상관(P >0.05),차회색관련도교소,분별위0.5921,0.6267화0.7406,여간초산량지간적관련성상대교소。통과최우관련도종합평개,감농5호、금황후、WL363HQ、WL319HQ 화삼득리여표준품충적관련도교대,재저하관구생산성능표현교호;이오한、초원3호화감농2호여표준품충적관련도교소,생산성능표현교차。
Relationships between the major agronomic traits and production performance of 21 alfalfa varieties have been studied using correlation and grey correlation degree analysis.The results showed that alfalfa hay yields were significantly correlated with growth rate,plant height and the fresh-dry ratio (P <0.01).The cor-relation coefficients were 0.87,0.86 and 0.55 respectively.The grey correlation coefficients were 0.8360, 0.8330 and 0.7716 respectively.Hay yields were not significantly correlated with either plant number or branch number (P >0.05).The grey correlation coefficient was 0.5921,0.6267 and 0.7406 respectively.The production performances of the 21 alfalfa varieties were evaluated using the method of optimal correlation de-gree.The production performance of Gannong No.5,Golden Queen,WL363HQ,WL319HQ and Sandeli were superior to the other varieties.The Aohan,Caoyuan No.3 and Gannong No.2 varieties were the poorest per-formers in the Ningxia irrigation area.