大理州野生矮杨梅生物学特性及驯化栽培研究

2001年在宾川县大营镇排营村的滴水箐，进行矮杨梅育苗及造林试验，面积8．8hm^2。1年后观察，成活率达90．7％，平均地径0．39cm，平均苗高13．39cm。对存在的问题进行了讨论，提出了改进意见。     

Indigenous Agroforestry Systems in Amazonia: From Prehistory to Today

Understanding the historical development of indigenous systems will provide valuable information for the design of ecologically desirable agroforestry production systems. Such studies have been relatively few, especially in Amazonia. The agroforestry systems in Amazonia follow a trail that begins with the arrival of the first hunter-gatherers in prehistoric times, followed by the domestication of plants for agriculture, the development of complex societies rich in material culture, the decimation of these societies by European diseases, warfare, and slavery, the introduction of exotic species, and finally, the present-day scenario of widespread deforestation, in which agroforestry is ascribed a potential role as an alternative land use. Despite the upheavals which occurred in colonial times, greatly reducing the population of native tribes, a review of anthropological and ethnobiological literature from recent decades indicates that a great variety of indigenous agroforestry practices still exist, ranging from deliberate planting of trees in homegardens and fields to the management of volunteer seedlings of both cultivated and wild species. These practices result in various configurations of agroforestry systems, such as homegardens, tree/crop combinations in fields, orchards of mixed fruit trees, and enriched fallows. Together they constitute a stock of knowledge developed over millenia, and represent technologies that evolved along with the domestication of native forest species and their incorporation into food production systems. This knowledge is the basis for the principal agroforestry practice employed by farmers in Amazonia today, the homegarden, and has potential to contribute to the development of other agroforestry systems.     

北京地区蜡梅冬季开花的影响因素研究

通过多年的引种驯化和观测,发现‘十月梅’是目前北京地区冬季开花景观效果最好的蜡梅品种。对蜡梅开花过程中花蕾、花朵含水率和枝条含水率的变化趋势进行测定,结果表明北京地区影响蜡梅冬季开花的关键因素是水分和温度。通过土表覆盖,可以有效保湿,提高土温,保持枝条含水率,促进蜡梅在冬季提早开花且多开花。     

花鲈无公害淡水健康养殖技术

介绍了花鲈(Lateolabrax japonicus)无公害淡水养殖的环境要求、苗种选择与培育、成鱼池塘养殖及病害防治技术等。     

吉林省梅花鹿驯养繁育利用产业发展情况分析

为全面了解我国梅花鹿产业的发展现状,开展了吉林省梅花鹿养殖地区的调研,了解养殖企业目前的经营现状,对梅花鹿目前的生存状况和繁育利用产业提出了相关发展对策。     

乌兰察布型华北驼绒藜品种栽培驯化试验研究

乌兰察布型华北驼绒藜[Ceratoides arborescens（Losinsk．）Tsienet C．G．Ma cv．Wulanchabu]是采集内蒙古乌拉特中旗和后旗、四子王旗荒漠草原野生的华北驼绒藜种子,经10多年引种驯化栽培选育而成的新品种。选择性能优良的植株采收种子．在内蒙古农牧业科学院四子王基地及其周边地区进行品种比较试验、区域试验、生产试验及推广应用。研究发现,该品种具有以下优点：①植株高大,根系发达;②抗旱、耐寒、耐瘠薄,耐盐碱,适应性强;③营养丰富,适口性好,生长速度快,产草量高。在驯化选育的过程中。对驼绒藜属内的植物及其他牧草在干旱地区的建植进行了对比,结果该品种显示出苗率高、成苗率高、产量高且稳定的特点,育苗建植有比较显著的经济效益,在生态治理和改良盐荒地方面表现优异。生产利用中主要推广小面积育苗大面积移栽技术种植乌兰察布型华北驼绒藜。     

树莓组培苗驯化移栽技术的研究

树莓组培苗驯化移栽试验表明：炼苗时间对试管苗驯化移栽成活率有一定影响,炼苗7d成活率最高达92.06%;以2000倍海藻素溶液浸泡组培苗5min的处理生根率最高达93.22%;河沙：草炭比为1：2的复合基质对树莓生根最有效,生根率最高达92.7%。     

章姬草莓组织培养苗移栽驯化影响因素的探讨

研究表明,组培苗驯化栽培基质种类及混合比例、基质消毒与否及消毒剂使用、湿度条件等因素对组培苗驯化栽培效果的影响均比较明显,采用草炭∶蛭石∶珍珠岩=2∶2∶1的栽培基质,并使用400倍多菌灵消毒处理,配合驯化移栽后的10～14 d用塑料膜搭拱棚覆盖保湿,移栽后保持相对湿度80%～90%的条件下,章姬草莓组培苗的驯化效果良好,移栽成活率达100%,且幼苗生长发育状况良好。     

莫干山主要野生观赏蕨类植物调查与引种栽培

为了摸清莫干山风景区野生观赏蕨类植物资源,并更好地开发利用,进行了实地调查。结果表明:具有较高观赏价值的野生蕨类植物资源19科29属53种。通过栽培驯化和适应性观测,筛选出10种观赏价值较高、适应性较强的野生观赏蕨类植物,并对其形态特征、观赏特点、习性及园林用途进行了讨论。     

野罂粟生态调查及引种驯化研究

以河北省北部塞罕坝机械林场为基点,调查了野罂粟的生态环境,并进一步研究确定了人工种植野罂粟的播种深度、播种量、播种时期、幼苗移植方法及移植时期。