Abstract:To explore effects of different light and water conditions on the growth characteristics of two varieties of white clover (Trifolium repens L),in this study two different varieties (TKPR and TNSP) were selected as the experimental objects. Through the greenhouse control experiment,3 light gradients and 3 water gradients were set for 9 combination treatments. The response characteristics of morphology,biomass accumulation,biomass allocation ratio,and plasticity indexes of white clover under different treatments were analyzed. The results showed that the measured characteristics of TKPR were significantly affected by light intensity,and TNSP was significantly affected by water intensity,light and water interaction. The relative growth rate of TNSP was higher than that of TKPR. The biomass accumulation of TNSP was higher than that of TKPR under suitable environment. The interaction between light and water had a greater influence on the flowering and propagation strategy of TKPR. Under the unfavourable environment,TKPR was more adaptable and TNSP was weaker. The study can provide some basic information for cultivating new varieties of white clover and efficient white clover production,cultivation and management.
王国芳, 张吴平, 张茜, 韩冀皖, 董宽虎, John Doonan, Luis Mur. 不同光照与水分条件下2种白三叶生长特性比较[J]. 草地学报, 2020, 28(5): 1301-1310.
WANG Guo-fang, ZHANG Wu-ping, ZHANG Qian, HAN Ji-wan, DONG Kuan-hu, JOHN Doonan, LUIS Mur. Comparison of Growth Characteristics of Two Varieties of White Clover under Different Light and Water Conditions. Acta Agrestia Sinica, 2020, 28(5): 1301-1310.
Yang X,Li J,Zhao T,et al. Variation and heritability of morphological and physiological traits among Leymus chinensis genotypes under different environmental conditions[J]. Journal of Arid Land,2019,11(1):66-74
[15]
Gregory P,Tennant D,Belford R. Root and shoot growth,and water and light use efficiency of barley and wheat crops grown on a shallow duplex soil in a mediterranean-type environment[J]. Australian Journal of Agricultural Research,1992,43(3):555-573
Sulpice R,Nikoloski Z,Tschoep H,et al. Impact of the Carbon and Nitrogen Supply on Relationships and Connectivity between Metabolism and Biomass in a Broad Panel of Arabidopsis Accessions[J]. Plant Physiology,2013,162(1):347-363
[18]
Mojzes A,Kalapos T,Klára Virágh. Plasticity of leaf and shoot morphology and leaf photochemistry for Brachypodium pinnatum (L.) Beauv. growing in contrasting microenvironments in a semiarid loess forest-steppe vegetation mosaic[J]. Flora,2015,198(4):304-320
Zheng Y P,Li R Q,Guo L L,et al. Temperature Responses of Photosynthesis and Respiration of Maize (Zea mays) Plants to Experimental Warming[J]. Russian Journal of Plant Physiology,2018,65(4):524-531
Elena S,Gladys L,Claudia A,et al. Photosynthesis,Resource Acquisition and Growth Responses of Two Biomass Crops Subjected to Water Stress[J]. Journal of Plant Sciences,2018,6(3):68-86
[31]
Karkanis A,Bilalis D,Efthimiadou A. Architectural plasticity,photosynthesis and growth responses of velvetleaf (Abutilon theophrasti Medicus) plants to water stress in a semi-arid environment[J]. Australian Journal of Crop Science,2011,5(4):369-374
[32]
Guo W,Li B,Zhang X,et al. Architectural plasticity and growth responses of Hippophae rhamnoides and Caragana intermedia seedlings to simulated water stress[J]. Journal of Arid Environments,2007,69(3):385-399