Intercropping of wheat (Triticum aestivum) and bean (Vicia faba): Effects of complementarity and competi-tion of intercrop components in resource con-sumption on dry matter production and weed growth

2011 ◽  
Vol 10 (77) ◽  
Author(s):  
Hamdollah Eskandari
Keyword(s):  
Triticum Aestivum ◽  
Vicia Faba ◽  
Dry Matter ◽  
Dry Matter Production ◽  
Weed Growth ◽  
Matter Production

Seed size as a varietal difference in broad beans (Vicia Faba L.)

1967 ◽  
Vol 68 (1) ◽  
pp. 69-73 ◽  
Author(s):  
E. A. K. El Saeed
Keyword(s):  
Vicia Faba ◽  
Seed Size ◽  
Dry Matter ◽  
Varietal Difference ◽  
Dry Matter Production ◽  
Broad Beans ◽  
Matter Production ◽  
Vicia Faba L

1. Emergence and dry-matter production of largeand small seeds of two varieties of broad beans (Beladi and Rebaya 34) were studied.

Effects of sowing technique on yield formation of Vicia faba as affected by population density, sowing date and plant type

1994 ◽  
Vol 122 (2) ◽  
pp. 255-264 ◽  
Author(s):  
H. Stützel ◽  
W. Aufhammer ◽  
A. Löber
Keyword(s):  
Population Density ◽  
Vicia Faba ◽  
Dry Matter ◽  
Field Experiments ◽  
Dry Matter Production ◽  
Sowing Depth ◽  
Grain Yields ◽  
Matter Production ◽  
Sowing Dates ◽  
Field Emergence

SUMMARYField experiments were carried out in which three different sowing techniques: sowing by hand, with a conventional seed drill and with a precision drill, were used to plant an indeterminate and a determinate cultivar of Vicia faba at two sowing dates and at three population densities in 1989 and 1990 in Southern Germany.Delayed sowing reduced field emergence rates in both years. Hand sowing produced the poorest stands in some instances due to an insufficient sowing depth being achieved. Only at late sowing dates did precision drilling give greater field emergence rates than conventional drilling. During the early stages of growth, hand and precision sowing resulted in crops with the greatest light interception and dry matter production. However, these differences between sowing techniques decreased later on. Lodging was most severe in conventionally drilled crops, particularly at high population density. Thus, when lodging occurred, dry matter and grain yields decreased with increasing plant density in conventional sowings, although they tended to increase in hand-sown and precision-drilled crops. Overall, apart from this interaction, there was no significant effect of sowing technique on grain yield. Grain yields and dry matter production were generally higher in the indeterminate cultivar Herz Freya than in the determinate cultivar Ticol, but there were no differential effects of sowing technique.

Physiological characteristics of recent Canada Western Red Spring wheat cultivars: Yield components and dry matter production

2002 ◽  
Vol 82 (2) ◽  
pp. 299-306 ◽  
Author(s):  
H. Wang ◽  
T. N. McCaig ◽  
R. M. DePauw ◽  
F. R. Clarke ◽  
J. M. Clarke
Keyword(s):  
Triticum Aestivum ◽  
Yield Components ◽  
Dry Matter ◽  
Kernel Weight ◽  
Screening Tools ◽  
Dry Matter Production ◽  
Wheat Cultivars ◽  
Filling Rate ◽  
Matter Production ◽  
New Cultivars

Genetic yield gains have been difficult to achieve within the Canada Western Red Spring (CWRS) wheat (Triticum aestivum L.) class because of stringent quality requirements and a short growing-season environment with low precipitation and high temperatures. Understanding the physiological basis of yield gains may provide breeders with better insight in selecting parents and screening tools to identify desirable genotypes. The objective of the present study was to compare four new CWRS wheat cultivars with two older cultivars, Neepawa and Marquis, for yield components and dry matter production. When grown at Swift Current, SK, for 3 yr, the average yield for the group of new cultivars was 34.3% higher than that of Marquis (P < 0.01), and 5.9% higher than that of Neepawa (P = 0.10). The new cultivars, as a group, had significantly increased kernel weight, kernels per spike, yield per spike, and spike-filling rate relative to either of the older cultivars. When cultivars were compared individually, all four of the new cultivars had significantly higher yield per spike and spike-filling rate than Neepawa or Marquis, suggesting that these factors may be closely related to the increased yields of the newer cultivars. The trend toward higher kernel weight and kernels per spike suggests that the new cultivars have increased the sink size of each tiller. The number of spikes per plant and the length of the grain-filling period do not appear to be associated with the increased yield. Harvest index of the group of new cultivars, while significantly higher than that of Marquis, has not increased significantly compared to Neepawa, probably because this group is similar in height to Neepawa. Key words: Triticum aestivum, wheat, Canada Western Red Spring, yield, quality

scholarly journals Influence of soil amendments on dry matter production, concentration and adsorption of boron by broadbean (Vicia faba) under irrigation with waters having different boron concentration levels

Irriga ◽  
1996 ◽  
Vol 1 (3) ◽  
pp. 16-29
Author(s):  
Maria Dolores Barbosa Lima
Keyword(s):  
Vicia Faba ◽  
Dry Matter ◽  
Boron Concentration ◽  
Soil Amendments ◽  
Dry Matter Production ◽  
Matter Production ◽  
Production Concentration ◽  
Concentration Levels

Influence of soil amendments on dry matter production, concentration and adsorption of boron by broadbean (Vicia faba) under irrigation with waters having different boron concentration levels

Seasonal growth patterns in field beans (Vicia faba) as affected by population density, shading and its relationship with soil moisture

1977 ◽  
Vol 88 (2) ◽  
pp. 293-301 ◽  
Author(s):  
Janet I. Sprent ◽  
Alison M. Bradford ◽  
C. Norton
Keyword(s):  
Soil Moisture ◽  
Moisture Content ◽  
Water Content ◽  
Vicia Faba ◽  
Dry Matter ◽  
Soil Moisture Content ◽  
Growth Patterns ◽  
Dry Matter Production ◽  
Plant Water ◽  
Matter Production

SUMMARYField experiments, using Vicia faba cvs Herz Freya and/or Maris Bead were made in 1972–5. Population densities were varied and shading treatments were applied. Soil moisture content was monitored throughout. Maximum dry-matter production per plant and per unit area were similar in 1973 and 1974, but lower in 1975. Variations in growth were associated with variations in soil moisture content. When pods began to fill, plants reached maximum total water content and root growth ceased.Increasing density enhanced, and shading retarded both leaf senescence and seed maturation. Maximum potential seed yield (5–6 t/ha) in 1974 was obtained at 32plants/m2. In 1975, yields of 7–9 t/ha were obtained at 66 plants/m2, probably as a result of retention of many pods by the plants. Since total dry-matter production was lower in 1975 than in 1974 we conclude that photosynthetic potential did not limit yield in the earlier year.From the patterns of rainfall, soil moisture and plant water content, we suggest that water supply may be a more important factor controlling yield than either solar radiation or plant competition, with the period following pod setting being especially vital. At this time plant water requirement may often be in excess of supply.

Dry matter production of green pea influenced by herbicides

2005 ◽  
Vol 33 (1) ◽  
pp. 377-380
Author(s):  
Erzsébet Nádasy ◽  
Gábor Wágner
Keyword(s):  
Dry Matter ◽  
Dry Matter Production ◽  
Matter Production ◽  
Green Pea

Effects of Drought Stress on Physiological Characteristics and Dry Matter Production in Maize Silking Stage

2013 ◽  
Vol 38 (10) ◽  
pp. 1884-1890 ◽  
Author(s):  
Ren-He ZHANG ◽  
Dong-Wei GUO ◽  
Xing-Hua ZHANG ◽  
Hai-Dong LU ◽  
Jian-Chao LIU ◽  
...  
Keyword(s):  
Drought Stress ◽  
Dry Matter ◽  
Physiological Characteristics ◽  
Dry Matter Production ◽  
Matter Production ◽  
Effects Of Drought
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