茶树施用高效有机复合肥"迦姆丰收"试验研究

经试验，茶园在春、夏季施用“迦姆丰收”，以750倍液和1000倍液灌根增产效果最明显，鲜叶产量较对照提高42.25%-69.12%，在秋季施用“迦姆丰收”，以750倍液灌根和1000倍液叶面喷施、灌根，鲜叶增产效果明显，产量较对照提高18.2%-18.6%。经对茶叶成分化验得出，秋季采用750倍液叶面喷施效果最好，茶叶中多酚类、氨基酸、水浸出物分别较对照高6．64％、15．4％和4．74％，对春、夏季茶叶品质影响不大。     

不同药剂及施用方式对油松立枯病的防治效果研究

为了找出适合在朝阳市油松立枯病防治中应用的药剂类型以及施药方式,开展了不同药剂(2%硫酸亚铁水溶液、25%多菌灵400倍液、50%甲基托布津800倍液、5‰高锰酸钾水溶液)及其不同施用方式(土壤消毒、灌根、喷药)对油松立枯病防治效果试验。结果表明:3种施药方式中以土壤灌根的效果最好;4种药剂中以2%硫酸亚铁水溶液效果最好,其在灌根处理对油松立枯病的防治效果可达81%以上。     

橡胶籽苗黑根病防治药剂筛选试验

为防控橡胶籽苗黑根病进行了室内和田间药剂筛选试验,结果从17种参试药剂中优选出霜脲·锰锌,田间防治效果达80%,经浓度梯度试验,推荐发病初期淋灌700～800倍液,发病较重时淋灌600～700倍液。     

杨潜叶跳象化学防治技术的初步研究

本文通过利用5种药剂的5种浓度、采用喷雾、灌根2种施药方法,对杨潜叶跳象生活史中的4个时期进行防治试验,并进行了单株防治成本概算.用2.5%澳氰菊酯乳油2000倍、40%氧化乐果乳油500倍液灌根防治出蛰前成虫,防治效果达91%以上,且此法简便易行,经济合算.     

GHEM生物菌剂对红枣裂果及产量的影响

用GHEM生物菌剂对红枣裂果进行防治试验,分别采用土壤施肥、灌根和叶面喷施3种方法进行试验,结果表明:预防红枣裂果腐烂,使用500倍GHEM生物菌堆肥或500倍GHEM生物菌灌根或250倍GHEM生物菌糖液叶面喷洒,对防治红枣裂果,增加生长量,提高红枣产量产值均有明显的效果。     

白蜡外齿茎蜂防治试验研究

进行白蜡外齿茎蜂Stenocephus fraxini成虫和幼虫防治试验,结果表明:在成虫羽化高峰期喷药防治成虫,2.5%高效氯氟氰菊酯2500倍液,1.8%阿维菌素1500倍液,3%噻虫啉1500倍液速效性好。在幼虫孵化初期灌根防治幼虫,25%噻虫嗪1000倍液和20%呋虫胺2000倍液防效最好;打孔注药防治幼虫,5%和10%吡虫啉原液、5%啶虫脒原液防效最好;毒死蜱不适宜于打孔注药使用。     

长鞘卷叶甲化学防治试验

选用7种化学杀虫剂对长鞘卷叶甲成虫进行室内毒力测定,筛选出50%甲好清乳油、40%乐果乳油和90%杀虫单可溶性粉剂等3种杀虫剂的毒力较好,并应用于林间对成虫的防治试验。试验结果表明,分别使用甲好清和乐果的800~1300倍液以及杀虫单的800倍液进行喷雾防治效果较好,用乐果和杀虫单的100倍液进行根灌防治效果较好,用甲好清和乐果的10倍液进行注干防治效果较好,可适当应用于林间防治。     

七种农药对长鞘卷叶甲幼虫的毒力测定及林间防治试验

选用7种化学农药对长鞘卷叶甲2龄幼虫进行室内毒力测定,筛选出48%乐斯本乳油、4.5%高效氯氰菊酯乳油和90%杀虫单可溶性粉剂等3种农药的毒力较好,并应用于林间幼虫防治试验。试验结果表明,分别使用乐斯本、高效氯氰菊酯和杀虫单的2 000倍液进行喷雾防治效果较理想,可产生73%~85%的杀虫效果;乐斯本和高效氯氰菊酯用根灌法与注干法进行防治没有任何杀虫效果;杀虫单也能产生相对较强的杀虫效果,400倍液根灌效果为56.6%,40倍液注干效果为45.8%,可适当应用于林间防治幼虫。     

辽西蚀叶蛾的发生规律及无公害防治

2015年喀左县首次发现蚀叶蛾,主要为害马蔺。文章论述了辽西地区蚀叶蛾的生物学特性及发生现律,并对蚀叶蛾的无公害防治技术进行了研究,结果表明:在深秋成虫羽化期,使用森得保杀虫灯的灯诱效果较好,防后有虫株率只有3%～6%;于5月中旬在幼虫2～3龄时,采取1.2%苦烟乳油1 400倍液、0.9%的阿维菌素乳油5 000倍液、Bt乳剂2 500倍液或20%杀铃脲悬浮剂4 000倍液灌根,防治效果均达到95%以上。研究结果为蚀叶蛾的无公害防治提供参考。     

四种杀虫剂对橡胶盔蚧的防效试验

2004年8月进行4种杀虫剂对橡胶盔蚧的防效试验,结果表明40%杀扑磷乳油800倍液、2.5%杀蚧乳油 800 倍液、2.5% 蛛八蚧乳油 800～1　000 倍液、40% 氧化乐果乳油 800 倍液对橡胶盔蚧 1、2 龄若虫效果显著,14d 的防效均在91.3%以上;4种药剂的 800倍液对3龄若虫、成虫的试验结果,40%杀扑磷施药后 14d 防效为 64.7%,对成虫无效;对橡胶树无药害。     

罗汉松秋季育苗技术研究

采用随采随播方式和润砂贮藏与麻袋干藏种子进行秋季播种育苗试验,同时以先年生枝和当年生枝为扦穗,以柳枝浸泡液、蜂蜜水溶液、0.2%KH2PO4和0.2%KMnO4溶液为穗条浸泡处理液,进行秋季扦插育苗试验,结果表明:以随采随播方式和润砂贮藏种子播种的秋季播种育苗效果最好;以当年生枝为扦穗,以柳枝浸泡液和0.2%KH2PO4溶液为扦穗浸泡处理液的秋季扦播育苗效果最佳。     

Effects of leaf area and auxin on rooting and growth of rooted stem cuttings of neem

Green stem cuttings, obtained from 2-year old managed stockplants, with 30, 50 or 100% leaf area were rooted in a non-mist propagator following treatment with 0, 0.2, 0.4 or 0.8% IBA solution. The rooted cuttings were transferred to polythene pots and grown in a nursery for 12 weeks. Rooting percentages of IBA treated cuttings did not significantly differ from those of control cuttings. Likewise leaf area did not significantly influence the percentage of cuttings that rooted. The effects of leaf area and/or IBA treatment in the propagation unit were manifested on the growth of rooted cuttings in polythene pots. Number of roots increased with the increase in IBA concentration and this response was enhanced by increasing leaf area. Root biomass increased with the increase in leaf area even in the control cuttings. Root development was highly influenced by the leaf area and IBA, and hence the growth of rooted cuttings. Cuttings treated with 0.2 or 0.4% IBA at 100% leaf area yielded the best performing rooted cuttings.     

草莓带肉果汁的生产工艺研究

研究了草莓带肉果汁的生产工艺。结果认为，添加０．１％的ＬＭ果胶配以０．２％的ＣａＣｌ２，使用０．１５％的ＣＭＣ－Ｎａ，或以０．１％的ＣＭＣ－Ｎａ配以０．０５％的琼脂，均具有较好的稳定作用。采取先脱气后均质的工序，可减少草莓带肉果汁中Ｖｃ的损失，保护果汁的色泽。采用超高温瞬时杀菌和微波杀菌处理，均可明显地减少Ｖｃ的损失。     

金线莲组织培养几种培养基的筛选

用金线莲无菌幼苗带腋芽的茎段进行继代增殖培养,经试验筛选出适宜的培养基分别是:继代增殖培养基Ar+6-BA 2.0mg·L-1+IBA 0.2mg·L-1+NAA 0.4mg·L-1+KT 0.5 mg·L-1+糖3%+AC 0.2%;壮苗培养基Ar+10%马铃薯+10%香蕉+糖3%+AC 0.2%;生根培养基Ar+IBA 0.5mg·L-1+NAA 0.5mg·L-1+糖2%+AC0.2%。生根炼苗时,移栽到腐殖土、河沙、珍珠岩比例为7∶2∶1的基质上,成活率达98%以上。     

Economic analysis on log damage during logging operation in Caspian Forests

Waste wood was studied in an economic enterprise by logging, function, tree species and log size in four Caspian hardwood sites. Damaged logs were recorded with additional information obtained for the location, dimensions and type of damage. The data were analyzed statistically to determine significant differences of damage during logging process. The results indicated that animal harvesting systems cause more volume (40.5% of log volume) and value loss (89.5 $·m^?3) to logs than mechanized harvesting systems (13.9% and 6.0 $·m^?3), also bucking resulted in significantly more volume (9.9% of log volume) and value loss (5.5 $·m^?3) when compared to skidding (0.2% of log volume and 0.2 $·m^?3), decking (0.4% of log volume and 0.2 $·m^?3) and loading (0.2% of log’s volume and 0.3 $·m^?3) operations. Study showed that the processes of skidding, decking and loading of logs have very little impact on damage levels. Volume and value losses of damaged logs are not sensitive to tree species and log size. The information from the field study is important in creating new guidelines or training to help minimize hardwood log damage during the timber harvesting process.     

Vegetative propagation of Ulmus villosa: effects of plant growth regulators,collection time,type of donor and position of shoot on adventitious root formation in stem cuttings

Techniques for the vegetative propagation of Ulmus villosa, an indigenous agroforestry tree species of the north-western sub-Himalayas, were developed. Studies investigated the effects on rooting of stem cuttings of growth regulators with sucrose and fungicide (0%, 0.2% p-HBA + 5% sucrose + 5% captan, and IBA concentrations ranging from 0.2 to 1.0% plus each containing, 0.2% p-HBA + 5% sucrose + 5% captan). Cuttings were collected at two times of the year (February and July) from two types of stock plant (seedling and mature trees) and from two positions within the shoots (lower and upper nodes). Cuttings collected in February were leafless, while those collected in July had about 80 cm² leaf areas. These cuttings were then set under a mist unit. Percentage rooting and primary root number differed significantly between treated and untreated cuttings. Treatment of cuttings with chemical formulations of 0.4% IBA + 0.2% p-HBA + 5% sucrose + 5% captan maximized rooting (82.0%), while, survival (80%) and primary root number (14.7) were greatest with: (i) 0.6% IBA + 0.2% p-HBA + 5% sucrose + 5% captain and (ii) 0.8% IBA + 0.2% p-HBA + 5% sucrose + 5% captan, respectively. Rooting success and root number were better in propagules set in February rather than in July. Cuttings from seedlings rooted better, with more roots ensuring better survival, than cuttings from mature trees (12–13-years-old). In cuttings from seedlings, those cuttings collected from the lower part of the shoots had greater percentage rooting and primary root number than those from the upper part. Maximum root regeneration (100%), roots number (19.0), and survival (98.5%) were achieved when the time of collection (February) and shoot position were optimized. Rooting was best when cuttings had higher levels of sugar, total carbohydrate and peroxidase enzyme activity, and low N.     

微量元素对油松苗生长的影响

于年间在哈尔滨园林研究所苗圃,用不同的微量元素和不同浓度浸泡种子和喷洒苗木进行了微量元素对油松苗木生长刺激作用的实验。实验结果表明,用1%和02%浓度的Mn浸泡的种子发芽效果最好,与对照组相比,1%浓度Mn处理的种子发芽率提高了9%~19%,0.2%浓度Mn处理的种子发芽率提高了12%-14%。用硼处理的种子的发芽率最低。对用微量元素施表肥(叶部喷洒)而言,Mn和Mo微量元素效果较好,且低浓度处理效果更好。用低浓度Mn和Mo喷洒的苗木的高度和叶绿素含量均比未处理的苗木高。与种子浸泡法相比,叶部喷洒的效果更好。表7参7。     

霍山石斛组培丛生芽诱导增殖及生根技术

以霍山石斛无根试管苗为试材,研究了丛生芽诱导增殖和生根技术.丛生芽诱导增殖通过4因素3水平正交试验,筛选出的最适培养基为1/2MS 0.2 mg/LKT 0.2 mg/L NAA 0.3 mg/L 6-BA.4个因子对霍山石斛丛生芽诱导的影响顺序依次为:KT＞基本培养基＞6-BA＞NAA,其中,KT对霍山石斛丛生芽的诱导效果极为显著.添加不同浓度的生长素及香蕉泥进行生根诱导,其生根效果排序为:香蕉泥＞IBA＞NAA,最佳的生根培养基是MS基本培养基添加20%香蕉泥,生根率可达94.3%.     

稀酸协同D72树脂固定床催化莰烯水合反应

采用浓度为０．２％、０．５％、０．８％Ｈ２ＳＯ４及５％、１０％Ｈ３ＰＯ４协同Ｄ７２阳离子交换树脂固定床连续循环催化莰烯水合反应，反应２０ｈ，莰烯转化率９８％，异龙脑含量高达９３％，水合莰烯含量为１．２％．     

NaCl处理对刺槐种子萌发的影响

以0．2％、0．4％、0．6％、0．8％等4种不同浓度的NaCl溶液处理刺槐种子,以蒸馏水（CK）为对照,探讨NaCl处理对刺槐种子萌发的影响,结果表明：随着处理浓度的升高,刺槐种子发芽能力和胚芽苗生长受到抑制的程度增大,剌槐种子萌发能忍耐的NaCl处理浓度为0．2％以下。