搜索结果: 1-15 共查到“作物栽培学 Varietal”相关记录16条 . 查询时间(0.171 秒)
Growth Response of Rice (Oryza sativa L.) to Drought:II. Varietal difference in transpiration under water stress and its related plant characteristics
Drought tolerance Humidity Leaf-water content Rice Sugar content Transpiration Varietal
2009/8/5
Transpiration of a rice plant under a low water potential of rooting medium and low air-humidity conditions was studied in order to evaluate varietal difference in response to water stress. Water stre...
Varietal Difference of Physical Characteristics of the Culm Related to Lodging Resistance in Paddy Rice
Breaking strength Culm Leaf sheath Lodging resistance Paddy rice Varietal difference
2009/8/5
Varietal difference of lodging resistance in paddy rice was studied using nine Japanese cultivars and thirteen foreign cultivars (cv. Kamenoo : KA, Aikoku : AK, Koshihikari : KO, Dobashi 1 : DO, Fujim...
Developoment of Top System in Relation to Tuberous Root Formation in Sweet Potato:III. Branching characteristics and its varietal differences
Branch development Stem diameter Sweet potato Top system Tuberous root Varietal differences
2009/8/3
This study was conducted to present a quantitative analysis of the branching pattern of the sweet potato over growth time and its varietal differences of the two cultivars, Shiroyutaka and Minamiyutak...
Plant Type and Dry Matter Production in Peanut (Arachis hypogaea L.) Cultivars:I. Varietal differences in dry matter production
Dry matter production Growth analysis Optimum leaf area index Peanut Plant type Radiation interception
2009/7/30
Varietal differences in growth, dry matter production and solar radiation interception among 11 peanut cultivars were studied under field conditions for 2 years to elucidate the salient features augme...
Four Decades of Breeding for Varietal Improvement of Irrigated Lowland Rice in the International Rice Research Institute
Breeding Disease resistance Grain quality Insect resistance Irrigated rice Yield potential
2009/7/29
Since the establishment of the International Rice Research Institute (IRRI) in 1960, IRRI’s breeding effort in varietal improvement for irrigated lowland has passed four decades. Breeding of semi-dwar...
Varietal Differences of Tillering Response to Shading and Nitrogen Levels in Rice Plant:Comparison between high tillering semidwarf indica and low tillering japonica
Dry matter partitioning Dry matter production Nitrogen level in solution Number of tillers Rice variety Shading Solution culture
2009/7/28
Using high tillering semidwarf indica, IR36, and panicle type and low-til1ering japonica, Koganenishiki (KN), varietal differences of tillering response to shading and nitrogen (N) levels were studied...
Physiological Response to Salinity in Rice Plant:V. Varietal difference in ion exclusion of root exposed to NaCl stress under different hydraulic pressures
Cell-wall constituents Hydraulic pressure Ion exclusion Reverse osmosis Rice root Salt tolerance Varietal difference
2009/7/28
The objective of the study was to determine the varietal difference in ion exclusion of rice root exposed to NaCl stress under hydraulic pressure. A total of 10 varieties, namely eight indica i.e. Hsi...
Plant Type and Dry Matter Production in Peanut (Arachis hypogaea L.) Cultivars:II. Varietal differences in radiation interception
Canopy structure Integrated solarimeter films Peanut Plant type Radiation interception
2009/7/28
Eight peanut cultivars of the Virginia types (Chibahandachi and Chiba 43), Spanish type (Kintoki), Valencia types (Valencia, Tarapoto and Hotakuchuryu) and the types derived by crossing Virginia with ...
Varietal Difference in Sink Size per Panicle and the Accumulation of Grain Carbohydrate in Rice
Accumulate before heading Photosynthetic assimilate Rice Shady leaf Sink size per panicle
2009/7/22
Sink size per panicle was greater in the rice varieties of panicle weight type, Ouu 316, and Fukuhibiki, and the big grain type, Ouu 327, compared with the rice variety of panicle number type, Hitomeb...
Varietal Difference in Growth Direction of Adventitious Roots in Tea Cuttings
Adventitious roots Camellia sinenis L Cutting Growth angle of roots
2009/7/22
Although seeding tea plants grow roots deeply, clonal tea plants develop shallow root systems as a result of cutting. This change in the distribution of root systems, depending on reproductive methods...
Varietal Difference in Snow Tolerance and Growth Characteristics of Broad Bean:Vicia faba L
Broad bean Floral differentiation Growth characteristic Snow injury Snow tolerance Spring type
2009/7/22
The relationship between snow tolerance and growth characteristics in early winter was investigated using 41 varieties of broad bean. Varietal differences in snow tolerance were detected after 36 and ...
Studies on the Varietal Difference of Harvest Index in Rice:Relationship between harvest index and morphological characteristics and leaf color
Harvest index High-yielding ability Leaf color Morpholgical characteristics
2009/7/15
To find useful indexes for the selection of new rice varieties having a high harvest index, the correlation of harvest index (HI) with morphological characteristics and leaf color was examined using 6...
Studies on the Varietal Difference of Harvest Index in Rice : Relationship between harvest index and dry matter production
Dry matter production Harvest index Harvest index component High-yielding ablilty
2009/7/15
Varietal differences harvest index (HI) and yield (Y) were examined using 60 Japanese varieties (J group) and 20 high-yielding varieties bred in Asian countries (H group). HI varied from 36.8% to 53.4...
Varietal Differences in the Growth and Dry-Matter Production during Vegetative Growth in Rice under Upland Cultivation Conditions with Water Stress : A comparison of Japonica, Indica and Japonica-Indica hybrid cultivars(Crop Physiology and Cell Biology)
Drought resistance Dry matter production Growth Japonica-Indica hybrid Oryza sativa L.
2009/7/15
Since rice is highly susceptible crops to water stress, it is important to improve drought resistance to increase and stabilize the rice yield under upland cultivation conditions. This study was condu...
Varietal Differences in Growth, Lodging and Related Characters of Rice Plants Broadcasted in Submerged Paddy Field at Different Densities(Agronomy)
Direct sowing in submerged paddy field Flexural rigidity Grain yield Lodging Moment of inertia of area Planting density Rice Young's modulus
2009/7/15
Seeds of rice cultivars, Nipponbare, Takanari and Chugoku 153 were broadcasted in the submerged paddy field at different densities. The density of seedlings after establishment was in the range of ab...