搜索结果: 1-15 共查到“作物学 structure”相关记录36条 . 查询时间(0.171 秒)
Mitochondrial structure and respiratory metabolism in cold resistance of alfalfa seedling root（图）
苜蓿 抗寒性 秋眠性
2024/5/30
多年生苜蓿以根的形式越冬，因此，苜蓿的抗寒性以及成功越冬的关键在于其根部的抗寒性。在没有叶绿体结构不能进行光合作用的根部，呼吸作用是维持根部细胞生长所需能量ATP的唯一途径。新疆农业大学刘美君副教授团队选用不同秋眠级的新牧4号(秋眠级为2) 和甘农5号(秋眠级为8) 的紫花苜蓿为试验材料，研究发现，低温显著影响了苜蓿根系细胞呼吸代谢，细胞线粒体电子传递链复合体复合体II、III和IV受抑明显致使氧...
于典司（2021）Genetic diversity and population structure of popcorn germplasm resources using genome-wide SNPs through genotyping-by-sequencing （图）
爆米花 遗传多样性 SNP 爆裂玉米
2023/2/27
上海市农业科学院作物育种栽培研究所玉米研究中心郑洪建团队在Genetic Resources and Crop Evolution发表了题为“Genetic diversity and population structure of popcorn germplasm resources using genome-wide SNPs through genotyping-by-sequencing...
Starch structure-property relations as a function of barley germination times
Barley Gel permeation chromatography Germination Malting Roasting Starch
2023/8/9
Two varieties of barley samples were subjected to germination conditions to investigate the underlying mechanisms underpinning changes in molecular structure, chemical compositions and thermal propert...
Genetic population structure of Bemisia tabaci in Spain associated with Tomato leaf curl New Delhi virus – short communication
whitefly begomovirus zucchini squash
2017/4/6
Tomato leaf curl New Delhi virus (ToLCNDV) originates from Asia where it is persistently transmitted by indigenous cryptic species of the whitefly Bemisia tabaci. The virus has recently invaded Spain,...
Mixed model with spatial variance–covariance structure for accommodating of local stationary trend and its influence on multi-environmental crop variety trial assessment
consistency ratio test wheat barley
2014/10/23
The most common procedure for analyzing multi-environmental trials is based on the assumption that the residual error variance is homogenous across all locations considered. However, this may often be...
Structure, conduct and performance of farm gate marketing of natural rubber in Edo and Delta States, Nigeria
Gini coefficient farm gate marketing budgetary technique Nigeria
2011/1/12
The study examined the structure, conduct and performance of farm gate marketing of natural rubber in Edo and Delta States of Nigeria. Copies of questionnaires were used on 75 randomly selected rubber...
RADIATION USE EFFICIENCY IN SPRING BARLEY UNDER DROUGHT: A CROSSTALK BETWEEN SURVIVAL STRATEGY AND CANOPY STRUCTURE
FERUS Peter
2010/12/9
In order to evaluate effects of different survival strategy and canopy structure on cereal radiation use efficiency (RUE) under drought during grain filling, a pot experiment in spring barley (Hordeum...
测定了小麦成熟期根系力学性能的主要指标，研究了根的应力-应变规律，观察了根的微观组织结构，得到了根的解剖构造图像，建立了小麦根的横截面力学模型。结果表明：小麦根是一种典型的多相、筛状、不连续、不均匀、各向异性的复合材料，根具有一定的强度和良好的弹性，其承载能力取决于机械组织厚度、维管束数量，以及各组织及其细胞之间的连接形式和连接强度，小麦初生根和次生根的强度极限分别为21.21～57.25MPa和...
Differential Sensitivity of Rice Cultivars to Salinity and Its Relation to Ion Accumulation and Root Tip Structure
Casparian band Ion accumulation Rice (Oryza sativa L) Root tip Salinity resistance Sodium chloride (NaCl)
2010/3/4
Effects of NaCl on the growth, ion content, root cap structure and Casparian band development were examined in four rice (Oryza sativa L.) cultivars with different salt resistance (salt-sensitive indi...
A Study on the Interspecific Variation of Spikelet Structure in the Genus Oryza
Anther cuticle Anther length Cultivated Rice Scanning electron microscope Spikelet
2009/8/5
The objectives of this study were to clarify the interspecific variation on (i) the structure of spikelet and reproductive organs, (ii) the relationship between the size of spikelets and the reproduct...
Studies on Varietal Difference in Yielding Ability in Rice : I. Varietal difference in yield structure
High yielding ability Paddy rice Specific gravity of unhulled rice Translocation Variety Yield capacity Yield structure
2009/8/4
In order to investigate the breeding objective on the improvement of rice yield, the yield structures were analyzed and compared among a hundred varieties. By using the mean specific gravity (S), all ...
Studies on Matter Production of Edible Canna (Canna edulis Ker.):III. Changes of production structure with growth
Canna edulis Ker Dry matter production Edible canna Growth Leaf area Leaf inclination Light extinction coefficient
2009/7/30
Edible canna is a highly productive crop in temperate to tropical regions. To clarify ontogenetic changes of structure which contribute to its high yield capacity, edible canna was grown from late Ap...
Applicable Range of the Pipe Model to the Structure of Soybean (Glycine max Merr.) Root System
Glycine max Merr Pipe model Plow sole depth Root diameter Root system Soybean
2009/7/30
The applicability of the pipe model to the structure of soybean (Glycine max Merr.) root system grown under various underground water levels or depths of plow sole were investigated. The form, distrib...
Effect of Phosphoric Amide Herbicide APM on the Structure and Protein Composition of Chromosome in Triticum durum
Amiprophos methyl (APM) Chromosome- condensation Multipolar division 2D SDS-PAGE Triticum durum
2009/7/29
The cytological and biochemical effects of APM on the mitotic cells of root meristems of Triticum durum were studied by exposure to concentrations of 2 μM to 10 μM for 16 h. The results showed that mu...
Effects of Iodoacetamide on the Fine Structure of Azuki Bean Protoplast and its Fusion Product
Azuki bean Fusion Iodoacetamide Protoplast Ultrastructure Viability
2009/7/27
Effects of iodoacetamide (IOA) on azuki bean protoplasts and their fusion products were examined with emphasis on thc fine structure. Protoplasts were isolated enzymatically from cell suspension cultu...