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为探究铁皮石斛对高温强光复合胁迫的光合生理响应,通过在42 ℃和1809μmol/(m2·s)强光下处理 60 min, 测定处理前后光系统I和II活性、快速叶绿素荧光诱导动力学OJIP曲线、光系统I和II量子产额的变化。结果表明,高温强光胁迫处理后铁皮石斛的光系统 I和II活性分别下降了31%和78%,光系统I和II的电子传递速率分别下降 91%和86%。光系统II的严重受损不仅涉及放氧复合体的...
Impact of Fadama II project on income of tomato farmers in Niger State, Nigeria
Fadama II Project tomato participating farmers non-participating farmers
2011/1/12
This study was designed to quantitatively determine the impact of Fadama II Project on the farm income of tomato producers by utilizing primary data from tomato farmers in Bosso and Mokwa Local Govern...
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...
SENSORY ANALYSIS OF CUCUMBER VARIETIES AT DIFFERENT HARVEST TIMES II. PICKLING CUCUMBERS
Cucumis sativus canned fruits sensory properties
2010/12/8
During the period 2001-2002 sensory analysis of Bulgarian pickling cucumber varieties Toni, Iren and Pobeda was carried out. The varieties had identical parent female breeding line G-3. Fresh and cann...
Agro-physiological Studies on the Yield Performance of Mungbean:II. Cultivaral differences in dry matter production, partitioning and yield components, and their relationships with earliness in flowering
Dry matter partitioning Dryr matter production harvest index Ideo-type Mungbean Seed-stem ratio Seed yield
2009/8/6
The relationships among dry matter production and partitioning, yield components, earliness in flowering and seed yield in 24 cultivars of mungbean, Vigna radiata (L.) Wilczek, were studied in field e...
Physico-ecological Studies on Quality Formation of Rice Kernel:II. Changes in quality of rice kernel during grain development
Amylose Eating quality Fat-by-hydrolysis Grain developmemt Protein Rice Texture
2009/8/6
Changes in the quality of nonwaxy and waxy rice during grain development were investigated, laying emphases on the texture of cooked rice and protein, amylose and fat-by-hydrolysis contents. In terms ...
Single Leaf Photosynthesis of Rice Plants under Field Conditions:II. Individual variations in single-leaf photosynthesis and the physiological basis for it
Bleeding rate Rice plants Single-leaf photosynthesis Stomatal conductance
2009/8/6
A group of leaves, each of which was situated at the equivalent position on a stem (for instance, the second leaf counted from the uppermost fully expanded leaf of each stem), were chosen and their i...
Studies on the Characteristics of the Thickening of Storage Root of Sweet Potato : II. Influence of the supply of mineral nutrients on the thickening of storage root
Gravel culture Nitrogen Potassium Sweet potato Thickening of storage root
2009/8/6
The investigation not the storage root yield in sweet potatoes was carried out using different compositions of mineral nutrients by gravel culture. Roots were divided into two different functional par...
Development of Endosperm and Synthesis of Starch in Rice Grain:II. Synthesis of starch
Amylose Amylopection Ripening Rice grain Specific radioactivity Starch granules Wet-milling method
2009/8/6
The brown rice grains (Japonica c.v. Koshihikari) fed with 14CO2 in different ripening stages were separated into the outer layer and inner portion by the wet-milling method, and starch granules were ...
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...
Effect of Foliar Application of Triacontanol on Growth and Yield of Rice Plants:II. Effect of the triacontanol concentration
Effective concentration Foliar application Growth Rice plants Triacontanol Yield
2009/8/6
In the previous paper it was reported that the yield of rice was increased by the foliar application of triacontanol (TRIA) at early growth stages. However, as the range of TRIA concentration used was...
Effects of Soil Temperatures on the Rooting of Cut-sprouts of Sweet Potato (Ipomoea batatas Lam.) : II. Varietal differences in the optimum soil temperature for rooting and the rooting ability under the low soil temperature
Cut-sprout Low temperature Optimum temperature Rooting Soil temperature
2009/8/6
The varietal differences in the optimum soil temperature for rooting and the rooting ability under the low soil temperature were investigated under the controlled environment (air temperature: 25/16°C...
Studies on Lodging in Rice Plants:II. Morphological characteristics of the stem at the breaking position
Dry matter Flattening of internode Hardness of internode Special breaking position Supplementary strengthening efficiency of leaf sheath Thickness of leaf sheath Width of internode
2009/8/6
In order to clarify the reason why breaking occurs at the special breaking position (BP) within the broken internode, morphological characteristics of BP were compared with those of other areas within...
Studies on Palatability of Rice Grown in Northern Kyushu : II. Effects of harvest time on palatability and physicochemical properties of milled rice
Amylose content Breakdown Maximum viscosity Northern Kyushu Palatability Protein content Rice
2009/8/6
This study was undertaken to study the effect of harvest time on palatability, protein content, amylose content and amylographic characteristics of milled rice in northern Kyushu. (1) The palatabilit...
Character Expression of the Semidwarfing Gene sd-1 in Rice (Oryza sativa L.):II. Appearance and development of tillers
Near isogenic line Nitrogen fertilizer Rice (Oryza sativa L.) Semidwarfing gene Tiller development
2009/8/6
Gene expression in tiller development by the semidwarfing gene sd-1 was studied under two different nitrogen levels. A Japonica tall variety Norin 29, its semidwarfing near isogenic line SC-TN 1, and ...