不同光质对瓜叶菊生长发育的影响  

Effect of Light Quality on the Development and Growth of Senecio cruentus DC.

作　　者：谢以萍[1] 杨再强[2,3] 苏天星[2] 易礼胜[2] 

机构地区：[1]南京信息工程大学信息网络中心,江苏南京210044 [2]南京信息工程大学应用气象学院,江苏南京210044 [3]中国气象局兰州干旱气象研究所,甘肃兰州730020

出　　处：《北方园艺》2010年第3期53-56,共4页Northern Horticulture

基　　金：南京信息工程大学校科研基金资助项目(S8108075001);中国气象局干旱气象研究所科学研究基金资助项目(IAM200901)

摘　　要：根据瓜叶菊生长发育对光质的反应,设计大棚不同彩色薄膜处理试验,系统研究了不同光质对瓜叶菊生长发育的影响。结果表明;绿膜处理单株开花数最多(16朵/株),蓝膜处理最少(9朵/株);红膜处理瓜叶菊花期最长,达32 d,白膜处理(CK)最短,仅为9 d;红膜处理下的植株总干重最高,达到3.47g/株,紫膜处理最低,为1.37g/株;在营养生长阶段,叶片干物质分配指数以白膜处理CK最高,紫膜处理最低,而在开花阶段以蓝膜处理最高,红膜处理最低;茎干物质分配指数在营养生长阶段以紫膜处理最高(0.48),开花阶段则以黄光最高(0.28),CK最低。花干物质分配指数以红光处理最高(0.53),蓝光最低(0.44)。Based on the effect of light quality on the growth and development of Senecio cruentus DC,the experiment with different color film cover of greenhouse was designed. The results showed that the largest flower number （16 floweres/ plant） and least flower number （9 flower/plant） of plant were occurred at green film treatment and blue film treatment respectively. The florescence of plant in red film treatment wass the longest （32 days） than that of others. As well as the plant in white film has shortest florescence,only 9 days.The total dry weight （TDW） of plant with red film treatment was the greatest （3. 47 g/Plant）, while the least TDW appears in purple film treatment （1.37 g/plant）. During vegetative growth stage,the greatest and lowest leaf dry matter partitioning index （DMPI） of plant Was occurred at the CK and the blue film treatment,respectively. However,in the reproductive growth stage,the greatest and lowest DMPI was respectively appeared in blue film and red film treatment. The greatest DMPI of plant in vegetative growth stage and reproductive growth stage was emerged in purple film and yellow film treatment, and CK has least DMPI in all growth stages; The flowers DMPI of plant with the red film treatment was greatest than that of others,up to 0. 54,and the blue film treatment has least flowers DMPI,only 0.44.

关 键 词：瓜叶菊 光质 生长发育 干物质分配 

分 类 号：S681.9[农业科学—观赏园艺]