搜索结果: 1-15 共查到“作物学 Light”相关记录59条 . 查询时间(0.225 秒)
Basal internode elongation of rice as affected by light intensity and leaf area
Internode elongation Leaf area index Light intensity Light quality R/FR
2023/4/21
Short basal internodes are important for lodging resistance of rice (Oryza sativa L.). Several canopy indices affect the elongation of basal internodes, but uncertainty as to the key factors determini...
N.I. Vavilov’s Theory of Centres of Diversity in the Light of Current Understanding of Wheat Diversity, Domestication and Evolution
domestication emmer gene flow nucleotide diversity Triticum aestivum Triticum dicoccoides
2014/2/25
N.I. Vavilov hypothesized that the geographical centres of diversity of crops indicate their geographical centres of origin. Vavilov’s conclusionsabout the geographical origins of einkorn, durum and c...
Influence of low light intensity on growth and yield of four soybean cultivars during wet and dry seasons of northeast thailand
Chlorophyll Concentration Shading Soybean
2013/3/4
Crop is commonly grown in intercrop combinations of which cereal/legumes are the most widespread in tropical countries. The availability of low light inten-sity due to shading is the critical factor i...
Research of plant type and light distribution of tomatoes determined by imaging technology
Tomato plant type plant spacing light distribution imaging technology
2011/1/12
In order to determine the canopy structure of tomato plants (Lycopersicon esculentum Mill.) that has the advantages of increasing light interception and decreasing planting area, the authors selected ...
Comparison of Susceptibility to Photoinhibition and Energy Partitioning of Absorbed Light in Photosystem II in Flag Leaves of Two Rice (Oryza sativa L.) Cultivars that Differ in Their Responses to Nitrogen-Deficiency
Chlorophyll fluorescence Energy partitioning Hydrogen peroxide Nitrogen-deficiency Photoinhibition Photoprotection Photosynthesis Rice (Oryza sativa L.)
2010/3/4
The energy partitioning in photosystem II (PSII) and the susceptibility to photoinhibition in PSII were investigated in flag leaves of two rice cultivars, Shirobeniya (a traditional japonica) and Aken...
Effects of Light Quality, Daylength and Periodic Temperature Variation on the Growth of Lettuce and Radish Plants
Daylength Lettuce Light quality Radish R/B ratio R/F ratio Thermoperiodicity
2009/8/6
Effects of light qualities under continuous lighting, daylengths at a constant temperature, and periodic temperature variations under continuous lighting on the vegetative growth of lettuce and radish...
Sterility Caused by Cooling Treatment at the Flowering Stage in Rice Plants:IV. Effects of the starting time of cooling, morning and evening, and the soil temperatures and the light conditions after cooling on the fertility
Cool temperature Diurnal variation Flowering stage Rice Sterility
2009/8/6
Effect of the starting time of cooling at the flowering stage together with the effects of water temperatures and light conditions after cooling on the fertility percentage were examined. The fertilit...
A Cyto-histological Study on Shoot Differentiation and Mesophyll Morphology of the Excised Lettuce (Lactuca sativa L.) Cotyledons as Affected by Light Conditions during Seedling Growth
Cell Cotyledon Lettuce Light Mesophyll Shoot differentiation
2009/8/6
Light quality and quantity of the environment, where lettuce seedlings were grown, affected the mesophyll tissue and the shoot formation in cotyledons excised and cultured in vitro. When cultured on M...
Effect of Supplemental Lighting given during the Dark Period in 1.5-Hour Light-Dark Cycles on the Growth of Plants
Supplemental Lighting given 1.5-Hour Light-Dark Cycles Growth of Plants
2009/8/6
Effect of Supplemental Lighting given during the Dark Period in 1.5-Hour Light-Dark Cycles on the Growth of Plants.
Respiration of Soybean Plants in Relation to Their Physiological Conditions : II. Effects of preceding light conditions on the time course change of respiration in the following dark period
Diurnal change of respiration Length of light period Light intensity Nitrogen depletion Respiration Soybean
2009/8/6
The time course of respiration in the continuous dark was examined with soybean plants having experienced various preceding light conditions, aiming to elucidate the determination mechanism of changes...
Adaptive Regulation of Photosynthesis in Rice Plant to Weak Light Condition and the Contribution of Root Activity to Regulation Mechanism
Dark respiration Dry matter production Nitrogen absorption Photosynthesis Rice plant Root respiration
2009/8/6
Three cultivars of rice plants were grown in pots in a shading frame of 50% light intensity and on shadowed place at high altitude of 303m in hillside during the different period from tillering to ear...
Introduction of a Dye into Plant Cells and their Morphological Changes by a Laser Light
Cell perforation Damaged spot Dye Laser Scanning electron microscopy
2009/8/6
Introduction of a Dye into Plant Cells and their Morphological Changes by a Laser Light.
Floral Impotency Due to Cool Weather in Paddy Rice Plants in the Early-Season Culture Area:I. Relationship between light-intercepting characteristics and sterility
Amount of fertilizer nitrogen Cool-summer damage Early-season culture Light-intercepting characteristics Overluxuriant growth Sunshine hours Temperature at the inside of leaf sheath Temperature in the space of rows
2009/8/6
The present study was conducted to make clear the cause of promotion the sterility due to cool temperature at the booting stage by too much nitrogen application with investigating the relationship amo...
Effects of Light Condition on Growth Angle of Rice Roots Grown with Leaf-cutting Method
Gravitropism Light Rice Root
2009/8/5
Effects of Light Condition on Growth Angle of Rice Roots Grown with Leaf-cutting Method.
Root Growth and Partitioning of 13C-labelled Photosynthate in the Seminal Root of Corn Seedlings as Affected by Light Intensity
Carbon partitioning Light intensity Root growrth Root system Zea mays L.
2009/8/4
The effects of shading on growth and allocation pattern of photosynthate in the seminal root of corn seedlings were studied using 13C as a tracer. Corn seedlings, preshaded for 2 days (light intensity...