搜索结果: 1-15 共查到“农学 ET”相关记录28条 . 查询时间(0.109 秒)
Using Count Data Models to Predict Epiphytic Bryophyte Recruitment in Schima superba Gardn. et Champ. Plantations in Urban Forests
mosses colonization afforestation Poisson negative binomial
2024/2/5
Epiphytic bryophytes are known to perform essential ecosystem functions, but their sensitivity to environmental quality and change makes their survival and development vulnerable to global changes, es...
METHODS TO PROMOTE FRUIT FORMATION AND ASYMBIOTIC SEED GERMINATION OF CALANTHE TSOONGIANA T. TANG ET F. T. WANG
Calanthe tsoongianaT. Tang et F.T. Wang fruit formation seed germination
2023/6/5
Calanthe tsoongianaT. Tang et F.T. Wang, a terrestrial orchid that is endemic to China, has become rare and endangered due to limited natural reproduction and habitat destruction. There is an urgent n...
Occurrence of Sclerotinia sclerotiorum (Lib) de Bary and Diaporthe (Phomopsis) helianthi Munt.-Cvet. et al. on Iva xanthiifolia Nutt. in Slovak Republic
Sclerotinia sclerotiorum Diaporthe (Phomopsis) helianthi
2015/3/6
The polyphagous pathogen Sclerotinia sclerotiorum (Lib) de Bary causes significant diseases of sunflower and
oil-seed rape while Diaporthe wilt, invoked by the pathogen Diaporthe (Phomopsis) heliant...
Influence of a planting hole application of dolomitic limestone powder and basalt grit on the growth of Carpathian birch (Betula carpatica W. et K.) and soil chemistry in the air-polluted Jizerské hory Mts.
acidic deposition forest ecosystems
2015/3/5
The objective of the study was to evaluate the growth potential of Carpathian birch (Betula carpatica W. et K.) at an environmentally harsh mountain site and a response of this species to altered soil...
Infection of wintering pupae of horse-chestnut leafminer Cameraria ohridella Deschka et Dimić. by Verticillium lecanii (Zimmerman)Viégas
Cameraria ohridella horse-chestnut leafminer horse-chestnut
2015/3/3
The population dynamics of the horse-chestnut leafminer Cameraria ohridella Deschka et Dimić. was
investigated in 1997–2000. The mortality of wintering pupae and the rate of fungal infections w...
Progress of spreading Stereum sanguinolentum (Alb. et Schw.: Fr.) Fr. wound rot and its impact on the stability of spruce stands
Stereum sanguinolentum bark stripping stand stability Norway spruce
2015/2/2
In 2002–2003, we conducted a detailed inventory of bark stripping damage in Forest District (FD) Mořkov (Forest Enterprise Frydek-Místek) and in Forest Range (FR) Proklest (Training Forest Enterp...
Diapause of Cameraria ohridella Deschka et Dimic and its impact on the species population dynamics
diapause pupa regression analysis
2015/1/29
Cameraria ohridella Deschka et Dimic is a polyvoltine species which can complete under suitable conditions the development of as many as three generations a year. In the Czech Republic, however, the t...
Segregation of powdery mildew (Podosphaera leucotricha [Ell. et Ev. /Salm./]) resistance within 54 apple progenies
Podosphaera leucotricha apple mildew resistance
2015/1/21
The occurrence of powdery mildew after heavy spontaneous infections was evaluated on 2,500 apple seedlings of 54 progenies that were derived from crosses made in 1993 and 1994. At the same time, the r...
为研究腹水综合征（AS）肉鸡肺组织NO、ET-1及相关指标变化和复方中药对其的防治作用，将316羽14日龄罗斯肉鸡随机分为空白组（N组，常温，常规饲养）、模型组（C组，9~11 ℃，添加3%猪油和4%鱼粉的高能饲料，0.12% Na+饮水饲养）和复方中药高（T1）、中（T2）、低（T3）剂量组（饲养同C组，每天于饮水中分别给予2、1、0.5 mL•kg-1复方中药）以及L-Arg组（L...
旨在研究内皮素-1（Endothelin-1, ET-1）对羊驼皮肤黑素细胞（Melanocyte，MC）增殖和黑素合成的影响。本研究中，体外培养正常羊驼皮肤黑素细胞，观察不同浓度ET-1（0、0. 1、1、10、100 nmol·L-1）对羊驼皮肤黑素细胞增殖、黑素含量、内皮素受体B（Endothelin recepter B，EDNRB）基因、酪氨酸酶（Tyrosinase，TYR）基因、酪氨...
ET-ISJ标记的开发及陆地棉遗传图谱构建
陆地棉 外显子定靶内含子-外显子剪接位点标记 遗传图谱
2011/6/7
根据植物结构基因外显子拼接位点的保守序列，设计扩增外显子的ET-ISJ (exon targeted intron-exon splice junction)标记引物。利用1 280对ET-ISJ引物组合，在陆地棉品种渝棉1号和T586中，筛选获得69对多态性引物组合，占引物组合的5.4%。用多态性ET-ISJ引物组合检测(渝棉1号×T586)F2:7重组近交系群体，得到70个位点。以70个ET-...
Characteristics of Nutrient Eluviation of Soils Planted with Japanese Apricot (Prunus mume Sieb. et Zucc.) Tree in Wakayama Prefecture
cation lysimeter nitrogen soil type
2010/11/24
Soil types of a Japanese apricot farm in Wakayama prefecture are generally classified into brown earth, yellow soil, gray lowland soil and lithosol. This experiment investigated the characteristics of...
BIOLOGICAL CHARACTERISTICS OF SLOVAK ISOLATES OF ENTOMOPATHOGENIC FUNGUS PANDORA NEOAPHIDIS (REMAUDIERE ET HENNEBERT) HUMBER (ZYGOMYCETES, ENTOMOPHTHORALES)
Pandora neoaphidis Acyrthosiphon pisum intraspecific variability
2010/12/8
Intraspecific variability of biological characteristics within entomopathogenic fungus Pandora neoaphidis was evaluated. Fifteen isolates of the fungus were obtained from 5 aphid species in Slovakia. ...
南海底层鱼突额鹦嘴鱼Scarus ovifrons Temminck et Schlegel 1846肠道产酶微生物研究
突额鹦嘴鱼 Scarus ovifrons Temminck et Schlegel 1846 肠道 产酶微生物
2009/10/23
通过不同培养基对南海底层鱼突额鹦嘴鱼ScantsovifrousTemmincketSchlegel，1846肠道微生物进行分离与16S、18SrDNA鉴定，并构建系统发育树，然后结合选择性培养基进行产蛋白酶、甘露聚糖酶、木聚糖酶、纤维素酶、淀粉酶等微生物的筛选。结果表明，从突额鹦嘴鱼肠道分离纯化出23株微生物，其中14株产酶，以产蛋白酶与淀粉酶为主，部分产纤维素酶、甘露聚糖酶、木聚糖酶；产酶微生...
Comparison of Changes in Organic Matter Dynamics due to Stand Age between Artificial Japanese Cedar (Cryptomeria japonica D. Don) Forests and Japanese Cypress (Chamaecyparis obtusa Sieb. et Zucc.) Forests
artificial Japanese cedar forest artificial Japanese cypress forest carbon mineralization rates of the litter organic matter dynamics stand age
2009/8/28
The purpose of this study was to clarify the effects of tree species on organic matter dynamics according to stand age in Kanto region of Japan. We investigated forest floor cover percentages, amounts...