阿魏菇母种培养基配方优化研究

分别对不同碳源和氮源对供试阿魏菇母种菌丝生长的影响进行了比较，并通过正交试验优化了供试阿魏菇母种培养基配方。研究结果表明：碳源中小麦粉对供试阿魏菇母种菌丝的生长最为有利，土豆淀粉次之，葡萄糖最为不利；氮源中酵母膏的效果最好，（NH4）2SO4会抑制供试阿魏菇母种菌丝生长；供试阿魂菇母种菌丝生长的最适碳氮比是60：1。     

阿魏菇菌糠成分测定及对四种大宗食用菌化感效应研究

选取干燥、无霉变具有代表性的阿魏菇菌糠试样粉碎至40目,用四分法将试样缩减至200 g,应用国标法分别对阿魏菇菌糠各种营养成分进行测定.结果表明:粗纤维被很大程度降解,粗蛋白、碳水化合物含量较主料有很大幅度提高,且富含矿物质元素、维生素和氨基酸.在此基础上,应用平板法考察了阿魏菇菌糠提取液对鸡腿菇、香菇、杏鲍菇和金针菇菌丝生长的化感效应.发现其菌糠提取液显著影响4种大宗食用菌菌丝生长,当PDA培养基中菌糠提取液加入量分别为30%和50%时,对香菇和金针菇菌丝生长有明显促进作用;加入量为50%时,明显抑制鸡腿菇的菌丝生长;除了加入量为10%外,均抑制杏鲍菇菌丝生长.     

杏鲍菇27-6新菌株生物学特性初探

对杏鲍菇27-6菌株的生物学特性进行了研究。结果表明,菌丝生长的最适碳源为果糖,最适氮源为牛肉膏,最适温度22~24℃,培养基最适含水量60%~65%,最适pH为5~6;菌丝在黑暗条件下生长良好;光照抑制菌丝的生长;充足的氧气可促进菌丝的生长。     

甘薯黑斑病菌两种交配型菌株的生物学特性研究

通过对甘薯黑斑病菌两种交配型菌株的生物学特性研究,结果表明:菌丝最适培养基为甘薯培养基;菌丝生长的最适pH=5～7;在供试的碳源中,可育菌株菌丝生长最适碳源为葡萄糖;不可育菌株生长最适的碳源为果糖,在供试的氮源中,最不利于菌丝生长的是草酸铵,菌丝的致死温度为50℃,10min.     

营养因素与培养条件对Pilidium concavum病菌菌丝生长及产孢量的影响

为了探讨不同培养基、碳氮源、温度、pH值、光照对Pilidium concavum(Desm.)Hohn.菌丝生长及分生孢子产量的影响。试验采用十字交叉法测量菌丝生长量,用血球计数板法测量产孢量。结果表明:该菌在PDA上生长最适,在PYA上产孢最多。在最适培养基上培养,菌丝生长的适宜温度为15~30℃,最适温度为25℃,产孢最适温度为30℃;在pH值6~11范围内该菌均能生长和产孢,菌丝生长的最适pH值为6,pH值为11产孢最多;光照对菌丝生长、产孢无显著影响;在供试的碳氮源中,菌丝生长及产孢以葡萄糖、酵母膏最适。     

黑脉羊肚菌菌丝的生物学特性

以采集新鲜野生羊肚菌为菌源 ,根据形态特征确定为黑脉羊肚菌 (Morchellaangusticeps) ,采用组织分离法获得纯菌丝体 ,进一步对菌丝的生物学特性进行了研究。结果表明 ,黑脉羊肚菌的最适碳源为蔗糖 ;最适氮源为尿素 ,有机氮比无机氮更有利于菌丝生长 ;在腐质土PDA培养基生长最好 ;菌丝在 1 0～30℃可以生长 ,最适温度 2 0～ 2 5℃ ;有无光照菌丝均可生长 ,光暗交替能促进菌丝生长 ;最适 pH5～ 6。     

真姬菇生物学特性的研究

研究了真姬菇的形态特征和影响其生长发育的主要因素,比较了不同温度、pH、湿度、碳源和氮源条件下菌丝生长和原基发生的情况。试验结果表明,真姬菇菌丝生长的适宜温度为10～30℃,最适温度为20～25℃;原基发生的适宜温度为12～16℃,最适温度为15℃;菌丝生长的适宜pH为4．0～8．5,最适pH为6．5～7．5;菌丝生长的适宜培养基含水量为55％～70％,最适为65％;菌丝生长的最适碳源为葡萄糖、最适氮源为酵母膏。     

白玉蕈生物学特性的初步研究

研究了影响白玉蕈的形态特征及生长发育的主要因素,比较了不同碳源和氮源、碳氮比、温度、pH条件下菌丝的生长情况。试验结果:白玉蕈菌丝生长的最适碳源为可溶性淀粉;最适氮源为蛋白胨;最佳的碳氮比为10∶1;菌丝生长的适宜温度为10~30℃,最适温度为20~25℃;菌丝生长的最适pH6~7。     

不同营养条件对白灵侧耳菌丝生长的影响

研究了不同碳源、氮源、碳氮比、无机盐及其浓度对白灵侧耳菌丝生长的影响.结果表明,白灵侧耳菌丝生长的最适碳源是葡萄糖;最适氮源是蛋白胨;最适碳氮比为20:1;促进菌丝生长的最适KH2PO4、MgSO4浓度分别为0.3%、0.1%;最适NaCl、KCl、CaSO4·2H2O浓度均为0.5%;CaSO4·2H2O对菌丝生长的促进作用最大;H3BO3对菌丝生长的影响最小;ZnSO4·7H2O对白灵侧耳菌丝生长有明显的抑制作用.     

不同培养料配方对阿魏菇菌丝生长的影响

试验不同培养料配方对阿魏菇菌丝生长的影响。结果表明:以棉子壳为主料的栽培培养料中,适当增加杂木屑的含量,菌丝粗壮、洁白,生长速度会相应提高。     

不同营养因子和培养条件对草菇菌株V115菌丝生长的影响

对草菇菌株V115在不同营养因子(碳氮源)、不同培养条件(培养温度及酸碱度)下进行了菌丝培养试验.结果表明:菌丝生长的最佳碳源是蔗糖和麦芽糖;最佳氮源是蛋白胨;菌丝生长的适宜温度范围为32～38℃;菌丝生长适宜的pH为6～7.     

5株梯棱羊肚菌菌丝生长特性研究

以5株梯陵羊肚菌(Morchella importuna)菌株为材料,研究温度、pH、碳源和氮源对菌丝生长速度和菌核形态特征的影响,筛选适宜培养各菌株菌丝体的条件.试验结果表明,各菌株间的菌丝最适生长温度、pH,碳源和氮源存在不同程度的差异.菌丝生长适宜温度为20℃~25℃;最适起始pH方面,菌株F011、85和W16H2为6~7,菌株Q为8~9,菌株301为7~8;菌丝生长能利用多种碳源和氮源,葡萄糖适合所有菌株生长,菌株F011、Q、301和W16H2的最适氮源为蛋白胨和酵母膏,菌株85为酵母膏.     

暗褐网柄牛肝菌菌丝的生物学特性研究

首次对暗褐网柄牛肝菌菌丝生长的生物学特性进行研究,结果表明:在实验范围内,菌丝生长的最适温度为30 ℃,最适pH值为4,菌丝生长不需要光照,最佳碳源为葡萄糖,最佳氮源为酵母膏,最佳无机盐为KH2PO4+ MgSO4·7H2O.     

绣球菌的诱变育种和深层发酵工艺的初步研究

对绣球菌301、302进行紫外线诱变处理，以生长速度为指标进行初筛．再通过深层发酵进行复筛。综合分析菌丝体的生长量和胞内外多糖的产量．选出301—3、302—2为优选菌株。研究不同碳、氮源对诱变株301—3菌丝体生长和多糖产量的影响．认为淀粉、麦芽糖是较为合适的碳源：玉米粉和麸皮是较为合适的氮源。对碳氮源正变试验．确定最佳的培养基组成为：淀粉2．0％、麦芽糖0.4％、玉米粉0.6％、麸皮0.6％。     

pH值和温度对墨汁鬼伞菌丝体生长的影响

为了确定北京怀柔地区的墨汁鬼伞菌丝体生长的最佳pH和温度,为人工驯化栽培提供依据,采用平板培养法分别研究了不同pH值及温度对该地区墨汁鬼伞菌丝体生长的影响。结果表明,在PDA+玉米粉培养基上,墨汁鬼伞菌丝体在pH 5～10范围内均能生长,pH6～8菌丝生长健壮,生长速度稍慢,pH为9时菌丝浓密,生长速度最快,为最适pH值;菌丝体生长温度范围为13℃～29℃,适宜温度为21℃～25℃,25℃生长最快,13℃生长缓慢,33℃则不能生长。怀柔墨汁鬼伞是一种喜碱性、中低温型的食用菌。     

pH对灰树花液体深层发酵的影响

本研究对不同ｐＨ条件下和相同ｐＨ条件下灰树花发酵液及菌丝生长情况进行了测定。结果表明,灰树花发酵液的初始酸碱度以ｐＨ８为宜,终止ｐＨ３５,菌丝最适宜生长的ｐＨ为５左右。无论初始ｐＨ相同或不同,发酵液的ｐＨ随着时间的延长和菌丝的生长而逐渐下降,其下降的趋势为快慢快慢。     

Growth and nutrient partitioning of containerized Cercis siliquastrum L. under two fertilizer regimes

Lebanon's native flora is threatened by loss of natural habitat to rural and urban development and the increased demand of plant materials for landscaping. Despite Lebanon's floristic richness, most taxa used for landscaping are non-native. This study was done to determine if Cercis siliquastrum (L.) is amenable to container production. Therefore, six open pollinated seeds sources native to Lebanon were grown under two fertilizer rates to study growth, N, P, K uptake efficiency, and partitioning. Two-year-old seedlings were planted in 11 L containers in a 3:1 pine bark:compost substrate. Seedlings within each seed source or mother tree were grown at either 25 or 100 mg N L⁻¹ from 21N–3.1P–5.9K water-soluble fertilizer. Seedlings of all sources grown under 25 mg N L⁻¹ had greater dry weight than those grown at 100 mg. Nutrient loading occurred in plants under the high fertilizer rate, although total plant N, P, and K content were not affected by fertilizer rate. There were significant differences in mineral nutrient uptake and nutrient use efficiencies among the seed sources. The results show that C. siliquastrum is amenable to container production. The great variation in growth rate and nutrient use efficiency among the limited number of seed sources studied suggest that significant improvement can be made through mother tree selection and/or clonal propagation of superior individual plants within a source.     

Phosphorus nutrition of Caustis blakei grown with two phosphorus sources of different solubility in two soils of differing phosphorus adsorption capacity

A barrier to the domestication of the phosphorus (P) sensitive Australian species Caustis blakei (Cyperaceae) is the standard production systems used commercially which invariably result in problems associated either with P deficiency or P toxicity. This paper reports on the growth responses of Caustis blakei cv. M63 to applications of fertiliser P as either monocalcium phosphate (MCP) or granulated Guano Gold^® rock phosphate (RP) in two soils with different capacities to adsorb P.     

Effects of photoperiod,light source and growth regulators on the growth and flowering of Trachelium caeruleum

Summary

Experiments were conducted to determine the appropriate photoperiod, light intensities and sources, and growth regulators, necessary to produce Trachelium caeruleum as a commercially acceptable potted plant. T. caeruleum behaved as an LDP with a critical photoperiod of 14 h necessary for flower initiation but was day neutral for subsequent flower development (from macroscopic bud visibility to anthesis). Providing long days by daylength extension using metal halide (MH) lamps to provide high irradiance resulted in significantly earlier flowering and more flowers than using either MH or incandescent lamps at low irradiance. The use of incandescent lamps to extend the day resulted in slower flowering and fewer flowers than using MH lamps at the same irradiance. Daminozide was effective for controlling plant height but ancymidol and chlormequat were ineffective. Removal of the terminal bud resulted in more compact plants, and more blooms per plant, but delayed flowering by approximately one week.     

酵母浸膏蛋白胨与pH对草菇培养与生物学效率影响

研究了酵母浸膏、蛋白胨和pH对草菇菌丝生长与生物学效率的影响。试验结果表明,在PDA培养基中加入酵母浸膏和蛋白胨能促进菌丝生长,最适添加质量浓度分别为0.30%酵母浸膏和0.50%蛋白胨。在栽培过程中,对菌丝体表面最佳喷施溶液组合为0.50%蛋白胨、0.30%酵母浸膏,调节溶液pH9.0,对比空白对照能提高生物学效率13.56%。