盆栽百合日光温室栽培技术规程

盆栽百合是连云港市主要盆栽花卉的品种之一,为了规范盆栽百合的生产栽培管理,制定了连云港市盆栽百合日光温室栽培技术规程,包括盆栽百合生产的环境条件、种球选择、栽培措施、病虫害防治、包装与运输等技术措施。     

牡丹愈伤组织诱导与分化技术的优化研究

以牡丹(Paeonia suffruticosa)品种"金阁"的叶柄为外植体,研究不同基本培养基类型、激素种类及浓度配比在牡丹叶柄愈伤组织诱导与分化中的作用,进而优化牡丹愈伤组织的诱导与分化技术。结果表明:适宜牡丹"金阁"叶柄愈伤组织诱导的最佳培养基为:WPM 2,4-D 2.0 mg/L 6-BA1.0 mg/L NAA1.0 mg/L TDZ0.5 mg/L CH300 mg/L;愈伤组织不定芽分化最佳激素组合:2,4-D 0.25 mg/L TDZ 0.5 mg/L;继代周期以愈伤组织接种30 d为宜;不定芽在IBA浓度为2.0 mg/L时生根最好。     

丹皮酚在牡丹体内的含量及其对病虫生物活性研究进展

概述了不同牡丹品种、不同产地、同一产地不同部位牡丹体内丹皮酚的含量及其在根皮中的年动态变化;综述了丹皮酚对植物病原真菌、病毒及害虫抑制活性的最新研究进展。     

在干旱和水胁迫影响下盆栽青海冷地早熟禾中矿物元素蓄积性研究

[目的]为了解释高寒草地植物中矿物元素蓄积增加的机理。[方法]通过盆栽高寒草地植物青海冷地早熟禾,在干旱和水胁迫影响试验处理下,分析试验样品中的矿物元素含量变化。[结果]干旱和水胁迫影响下,盆栽青海冷地早熟禾中多种矿物元素营养都具有蓄积增加的趋势,且Cu、Mn、Ni、P等元素具有显著性差异(P0.05),[结论]多种矿物元素营养在盆栽青海冷地早熟禾积累是其对干旱或水胁迫等环境变化的适应与响应,也是矿物元素饥饿效应假说理论的再检验,而生物矿物元素饥饿效应是矿物元素蓄积分异行为发生的内动力之一。     

盆栽非洲菊日光温室栽培技术规程

盆栽非洲菊是连云港市主要盆栽花卉的品种之一。为了规范连云港市盆栽非洲菊的生产栽培管理,笔者制定了连云港市盆栽非洲菊日光温室栽培技术规程,包括盆栽非洲菊生产的环境条件、种苗选择、栽培管理以及病虫害防治等技术措施。     

牡丹雄蕊的营养成分研究

作者对牡丹雄蕊的微量元素、维生素、蛋白质、脂肪、氨基酸、脂肪酸组成等营养成分进行了测定和分析,结果表明:牡丹雄蕊中蛋白质、K、Ca、Mg、P、Se等元素及碳水化合物、不饱和脂肪酸、VE含量、蛋白质质量较高,是一种较好的天然保健食品资源。     

盆栽榕树蓟马的发生与防控药剂配方筛选

以福建漳州盆栽榕树种植示范基地为观测和实验点,调查鉴定蓟马的种类、为害过程和发生规律,选择测定阿维菌素+啶虫咪、速灭威+啶虫咪和毒死蜱+啶虫咪等3组配方药剂对榕树蓟马的防控效果,筛选确定防控榕树蓟马的最佳配方药剂及田间使用浓度。结果表明:对盆栽榕树造成为害的主要是榕管蓟马;速灭威+啶虫咪4∶1配比对榕管蓟马防治效果最理想,药后3～10 d的防治效果均在93.48%以上,无药害产生,性价比最好,是防治榕管蓟马的最佳配方药剂,田间推荐使用500～1 500倍液。     

喷施KH_2PO_4对盆栽花烟草开花的影响

[目的]探讨喷施KH2PO4对花烟草开花的影响,寻求有利于其开花的最佳KH2PO4浓度。[方法]以露地盆栽的花烟草为材料,从现蕾开始每隔7d连续7次叶面喷施0%（对照）、0.25%、0.50%、1.00%、2.00%的KH2PO4,观测喷施不同浓度KH2PO4对花烟草开花各项指标的影响。[结果]喷施0.50%KH2PO4对花烟草的开花效果最好,即开花数量最多,盛开花朵数量达到238.0朵/株;开花时间和盛花期最长,分别达到96和56.50d。喷施2.00%KH2PO4对花烟草的开花效果最差,对花烟草的花蕾形成和开花有抑制作用。[结论]适当喷施KH2PO4对花烟草的开花有促进作用,KH2PO4的最佳喷施浓度为0.50%。该研究为花烟草叶面喷施KH2PO4提供了理论和实践依据。     

牡丹对不同强度和频度去叶的补偿性生长响应(英文)

[Objective] It aimed to find an optimum condition for compensatory growth of peony.[Method] The different defoliation intensies and frequencies of penoy were implemented to observe accumulated aboveground biomass, regenerated bud number,stem-leaf ratio and the chlorophyll concentration change in residual leaves.[Result] When the defoliation frequency was conducted every 20 d once and defoliaton intensity was from 40%-60%,the accumulated biomass was biggest, when the defoliation frequency was conducted every 10 d once and defoliation intensity was from 60%-80% the regenerated bud number was maximum.The stem-leaf ratio of mild and moderate defoliation intensities(20%-60%) was significantly lower than that of control group.When the defoliation frequency was conducted every 20 d once and defoliation intensity was from 40%-60%,the chlorophyll concentration in residual leaves was obviously higher than that of control group.[Conclusion] The proper defoliation intensity(60%) and lower defoliation frequency(defoliation was conducted every 20 d once) were most favorable to the growth and regenerated of peony which was the compensatory growth.     

Effects of Water Stress on Photosynthesis and Fluorescence Characteristics in Peony

[Objective] Study on the photosynthesis and fluorescence characteristics in peony under water stress. [Method] The two peony varieties Hu- hong and Luoyanghong were treated by different water stress for determining the photosynthesis and fluorescence characteristics. [Result] With the aggra-vation of water stress, the net photosynthetic rate (Pn) and stomatal conductance (Gs) decreased, while the intercellular CO2 concentration (Ci) in-creased. Drought could decrease Pn, constrain gas exchange and change the daily photosynthesis. Fo of peony leaf increased and Fv/Fm decreased under water stress especially water logging, causing the inactivation of the PS II reaction center, and the chlorophyll fluorescence characters gradually recovered until afternoon. [Condusion] The 75% soil relative water content (SRWC) is the best condition for growth of peony. Compared with drought, water log- ging is more unfit for the growth of peony. For the two varieties, Huhong assumed more tolerance to drought, accordingly more adaptability.