摘要
在普通白菜(小白菜)早花突变体ef(early flowering)真叶生长期,应用赤霉素(GA3)与多效唑(PP333)对植株进行处理,在测量株高、开展度、叶片数以及对植株抽薹、显蕾、开花日期进行观察的基础上,测定了愈创木酚过氧化物酶(G-POD)和抗坏血酸过氧化物酶(APX)的活性。结果表明,GA3和PP333处理对植株株高、G-POD和APX活性均有极显著的影响,但对开展度和叶片数却影响不大。GA3处理后植株的G-POD活性表现为先下降后上升,但PP333处理结果正好相反;GA3和PP333处理后植株的APX活性均表现为先下降后上升。不同处理对ef突变体的开花时间有显著的影响,GA3处理能促进植株开花,而PP333处理却延缓其开花。
In the period of Chinese cabbage-pak-choi two leaves, the ef mutant plants were sprayed by different concentration of GA3 and PP333 treatments, respectively. Based on investigation of plant height, plant width, number of leaves and the dates of plant heading, budding and flowering, G- POD and APX activities were tested. Results showed that there was very significant difference in plant height, G - POD and APX activity by the treatment with GA3 and PP333, but no difference in plant width and number of leaves. After the treatment with GA3 , G - POD activity firstly declined then increased. But the result was just opposite by the treatment of PP333. APX activity declined firstly and then increased by the treatment of GA3 and PP333- Different treatments had significant affects on flowering date of ef mutants, GA3 treatment could stimulate their blossoming, while PP333 treatment could delay their blossoming.
出处
《中国蔬菜》
北大核心
2009年第4期17-20,共4页
China Vegetables
基金
浙江省自然科学基金项目(Y304164)
浙江省重大科技项目(2005C12019/02)
关键词
普通白菜
GA3
PP333
突变体
Chinese cabbage-pak-choi （Brassica campestris L. ssp. chinensis Makino var. communis Tsen et Lee）
Gibberellin Acid -3 （GA3）
Paclobutrzaol （ PP333 ）
Mutant
