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Growth and yield of cassava as influenced by grain cowpea population density in Southeastern Nigeria
Cowpea LAI cassava plant density yield
2011/1/12
The use of some leguminous crops for soil fertility improvement is being promoted for root and tuber crops production in Nigeria. Cowpea has a lot of advantages and is more compatible with cassava tha...
The screening wheat (Triticum aestivum L.) plants for moderate phytate content using colorimetric values of semi-grain seeds
Colorimetric method individual selection inorganic phosphorus
2011/1/12
To select wheat cultivars with moderate phytate content, in this experiment the authors found out a new method quickly screening individual plant in huge offspring. Twenty-three wheat cultivars were t...
Effects of Lodging on Dry Matter Production, Grain Yield and Nutritional Composition at Different Growth Stages in Maize(Zea mays L.)
Dry matter production Grain yield Growth analysis Light-intercepting characteristics
2009/8/5
To analyze the mechanism of damage to yield of maize by lodging, root lodging(RL) and stalk lodging(SL) were mechanically induced at four growth stages, and their effects on canopy architecture, dry m...
Growth and Grain Yield of Wheat in Relation to Differences in Soil Groups : III. Effects of the additional application of nitrogen or phosphoric-acid on the tiller growth and grain yield
Andosol Emergence rate Lodging Red Soil Soil type Spike number Survival rate Varietal difference
2009/8/5
This research was conducted with three varieties (Asakazekomugi, Norin 61 and Norin 64) in Red Soil, Thick High-humic Andosol and Light-colored Andosol. In Red Soil the survival and grain yield of til...
Fluctuation of Ethylene Production in Excised Panicles and Flag Leaf Blades during Grain Ripening in Rice (Oryza sativa L.)
Ethylene production Flag leaf blade Milk-ripe stage Oryza sativa L Panicle Plant growth regulator
2009/8/4
Ethylene production and its fluctuation in panicles and flag leaf blades in the rice plant (Oryza sativa L.) during the grain ripening stage were examined. The effect of plant growth regulators (grow...
The Changes of Endogenous Abscisic Acid in Developing Grain of Two Rice Cultivars with Different Grain Size
Abscisic acid Endogenous content Grain-filling process Grain size Rice
2009/8/4
Two cultivars of rice (Oryza sativa L.) with different grain size were investigated to measure the free ABA contents during grain development. In both cultivars, the content and concentration of endog...
Case Studies on High Yields of Paddy Rice in Jiangsu Province, China:I. Characteristics of grain production
China Grain production High yield Paddy rice Shan You 63 Translocation
2009/8/4
Analysis of the characteristics of grain production of 965 gm-2 obtained by Shan You 63 (F1 hybrid rice) in 1991 was carried out Absorption of nitrogen reached 21 gm-2 up to the time of heading, and a...
Grain Filling Mechanisms in Spring Wheat:III. Effects of shadings on dry matter accumulation in grain and culm
Dry matter accumulation rate Dry matter partitioning Grain filling phase Regression analysis
2009/7/30
To determine the effects of assimilate shortage to grain filling mechanisms in spring wheat canopy (cv. Haruyutaka), we examined the accumulation and translocation of dry matter in grain, along with w...
Studies on Agronomic Traits of African Rice (Oryza glaberrima Steud.):III. Some grain morphological aspects of domestication and decrement
Decrement Domestication Grain shape Grain volume Oryza glaberrima Oryza sativa West Africa
2009/7/29
To identify some characteristics of Oryza glaberrima in grain morphology, length (L), width (W) and thickness (T) of unhusked grain were determined for two cultivated species, i.e. O.sativa and O.glab...
Contribution of Biomass Partitioning and Translocation to Grain Yield under Sub-Optimum Growing Conditions in Irrigated Rice
Biomass production Grain yield Harvest index Rice Translocation
2009/7/29
The International Rice Research Institute (IRRI) has developed a new plant type (NPT) and F1 hybrids to further increase rice yield potential. In this study we compared yield and yield-related traits ...
Influence of Leaf Nitrogen Content on Grain Weight at Early Ripening Period and Relationship between Root Respiration and Leaf Area per Spikelet of Rice Plant
Ammonium concentration Grain filling Grain weight Leaf area Nitrogen content Rice Root respiration
2009/7/28
The same seedlings of three rice cultivars were transplanted into both paddy fields, experimental fields of Tottori University (Koyama) and skillful farmer's field (Hojo), and given their respective ...
Studies on Grain and Flour Quality of wheat in Tohoku District : IV. Relation among grain and flour qualities in domestic and foreign wheat cultivars based on the hard and soft wheats
Ash Flour color Hardness Milling yield Protein Sedimentation value Wheat
2009/7/28
Thirty Tonoku and 30 foreign wheat cultivars were grown under the same cultured condition, and grain and flour qualities were analyzed based on the hard and soft classification of wheats. Grain and fl...
Historical Changes in Grain Yield and Photosynthetic Rate of Rice Cultivars Released in the 20th Century in Tohoku Region
Grain filling Nitrogen application Oryza sativa L. Photosynthesis Rice Yield improvement
2009/7/28
A retrospective analysis of the physiological basis of genetic yield improvement should provide us a direction for future yield improvement. The objectives of the present study were to evaluate the ch...
Filling Percentage of Rice Spikelets as Affected by Availability of Non-Structural Carbohydrates at the Initial Phase of Grain Filling
Grain filling Initial growth of grain Non-structural carbohydrate Rice (Oryza sativa L.) Sink ability Sink source ratio
2009/7/27
The observed reaccumulation of non-structural carbohydrates (NSC) in culm and leaf sheath in the later half of the grain filling period, in spite of the existence of imperfectly filled rice spikelets,...
Grain Filling Mechanisms in Spring Wheat:IV. Effects of shadings on number and size of spikes, grains, endosperm cells and starch granules in wheat
Endosperm cell Floret position in spikelet Grain filling phase Grain yield and yield component
2009/7/27
Changes in the number and size of spikes, grains, endosperm cells and starch granules was examined in relation to the limited assimilates caused by shading treatments. Spring wheat canopy (Triticum ae...