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不同经营模式下新银合欢的枝系特征差异分析
新银合欢 经营模式 分枝式样 构型分析
2009/8/3
在中国科学院东川泥石流定位观测站附近，对不同经营模式下新银合欢的枝系特征进行了统计分析，结果表明：新银合欢在不同经营模式下的总体分枝率和逐步分枝率SBR1:2发生显著变化，逐步分枝率SBR2:3则未表现出显著差异；截干新银合欢二、三级枝长度，枝径比2：1及一、二、三级枝倾角显著大于未截干新银合欢；两种经营模式下叶片的分布特征未发生显著差异。通过对各种枝系特征综合分析，发现截干新银合欢的生长对策表现...
采用光学显微镜对前胡属6种植物的叶表皮进行了观察, 从显微镜观察的结果表明：前胡（P.praeruptori）的叶片气孔仅存在于下表皮,红前胡(P.rubricaule)，松潘前胡(P.songpanens)，长前胡(P.turgeniifolii)，滇西前胡(P.delavayi)和刺尖前胡(P.elegans)的叶片两面表皮均有气孔；气孔类型均为不规则形；上下表皮细胞形状为多边形或不规则形；垂...
Luffa cylindrica - an emerging cash crop
Luffa cylindrica cultivation crop commercial agriculture
2010/9/10
Sponge-gourds, the fruit of Luffa cylindrica, are widely used throughout the world. It is an annual climbing crop which produces fruit containing fibrous vascular system. It is a summer season vegetab...
Identification of Salicornia Populations:Comparison between Morphological Characterization and RAPD Fingerprinting
DNA fingerprinting Genotype Glasswort Halophyte Phenotype
2009/7/29
In Japan, there are two taxa of the genus Salicornia plants; S. europaea L. distributed in Hokkaido and S. herbacea L. distributed on the coast of Inland Sea of Seto. To estimate the polymorphism of ...
Diversity of the Rachis-Branching System in a Panicle in Japonica Rice
Indica rice Japonica-indica hybrid rice Japonica rice Primary rachis-branch Principal component analysis Secondary rachis-branch Spikelet
2009/7/29
Recently, rice varieties having large panicles with many spikelets are expected to produce high yield. However, the ripening, growth pattern, priority to photoassimilate partitioning and final grain w...
Effect of Panicle Size on Grain Yield of IRRI-Released Indica Rice Cultivars in the Wet Season
Grain yield Panicle size Solar radiation Rice Wet season
2009/7/29
Grain yield under wet season (WS) conditions has gradually received more attention due to looming scarcity of irrigation water, which limits the area for planting to flooded lowland rice in the dry se...
Leaf Characteristics and Shape of Sago Palm (Metroxylon sagu Rottb.) for Developing a Method of Estimating Leaf Area
Leaf area Leaf shape Leaflet Leaflet area Metroxylon sagu Rottb. Sago palm
2009/7/28
We aimed to determine the orientation for developing the method to estimate leaf area of sago palm (Metroxylon sagu Rottb.) by extracting characteristics that might be related to estimating leaf area ...
Characteristics of Flowering and Pod Set in Wild and Cultivated Types of Soybean
Cultivated soybean Flowering habit Glyicine max Glycine soja Rate of pod set Wild soybean
2009/7/28
Characteristics of flowering and pod set were compared between wild and cultivated types of soybean grown in pots (1/5000 a) in a vinyl house. The wild type had 10-fold more nodes than the cultivated ...
Internode Characteristics of Sweet Sorghum (Sorghum bicolor (L.) Moench) during Dry and Rainy Seasons in Indonesia
Dry land Dry season Growth Indonesia Internode Monosodium glutamate Rainy season Sweet sorghum
2009/7/27
We have studied establishment of cultivation technique of sweet sorghum for monosodium glutamate (MSG) production on dry land in Indonesia, where the supply of raw materials has become restrictive rec...
Anatomical Characteristics of the Formation of Crown Root Primordia in Unelongated Stems of Wheat
Crown root primordia Peripheral cylinder of longitudinal vascular bundles Triticum aestivum L. Unelongated stem Vascular bundle Wheat
2009/7/24
Anatomical observations were conducted to clarify some characteristics of the crown root primordia (CRP) formation in wheat stems. Unelongated portions of main stems were sampled from the plant at 3.2...
Modeling of Mulberry Shoot Elongation and Leaf Appearance in Field Conditions
Leaf appearance Model Morus alba Mulberry Photoperiod Shoot length Temperature Tree
2009/7/24
To predict mulberry (Morus alba L. ‘Shin-ichinose’) vegetative growth, I constructed shoot elongation and leaf appearance models for mulberry grown in field conditions. The shoot elongation rate and l...
Size and Activity of Shoot Apical Meristems as Determinants of Floret Number in Rice Panicles
Floret Histone H4 Panicle Primary branch Rice Shoot apical meristem Yield
2009/7/24
The sink capacity (floret number per unit land area) is currently a serious constraint to grain yield production in japonica rice. The size and activity of the early reproductive shoot apex (incipient...
Identification of Casparian Bands in the Mesocotyl and Lower Internodes of Rice (Oryza sativa L.) Seedlings Using Fluorescence Microscopy
Casparian bands Endodermis Exodermis Internode Mesocotyl Rice (Oryza sativa L.) Seedling Vascular bundle
2009/7/24
The mesocotyl and lower internodes of seedlings are underground organs that play a possible role in water absorption and transport. The aim of this study is to reexamine and understand further the ana...
Change in Hydraulic Resistance and Shoot Morphology of Napiergrass (Pennisetum purpureum Schumach.) under Shaded Condition
Hydraulic resistance Napiergrass Shading Specific hydraulic resistance Stem cross-sectional area Stem length
2009/7/24
Acclimation to light condition is associated with change in water transport system in napiergrass. In this study, the effects of shading on shoot hydraulic resistance and morphology of napiergrass (Pe...
Relation between Crown Root Primordia Formation and Stem Size in Unelongated Stems of Wheat (Triticum aestivum L.)
Crown root primordia Peripheral cylinder of longitudinal vascular bundles Triticum aestivum L. Unelongated stem Vascular bundle Wheat
2009/7/24
The number and thickness of crown root primordia (CRP) were examined with special reference to the size of the peripheral cylinder of longitudinal vascular bundles (PV), in which CRP are formed. Unelo...