scholarly journals Organic management of Mexican bean beetle (Epilachna varivestis Mulsant) in snap bean (Phaseolus vulgaris L.)

2008 ◽  
Author(s):  
Tiffany L. Fess
Keyword(s):  
Phaseolus Vulgaris ◽  
Epilachna Varivestis ◽  
Phaseolus Vulgaris L ◽  
Mexican Bean Beetle ◽  
Organic Management ◽  
Snap Bean ◽  
Bean Beetle

scholarly journals Report of the Mexican bean beetle, Epilachna varivestis (Coleoptera : Coccinellidae) in Japan

1998 ◽  
Vol 33 (2) ◽  
pp. 327-331 ◽  
Author(s):  
Naoyuki Fujiyama ◽  
Haruo Katakura ◽  
Yoichi Shirai
Keyword(s):  
Epilachna Varivestis ◽  
Mexican Bean Beetle ◽  
Bean Beetle

EFFECTS OF PLANTING DENSITY AND DESIGN ON POD YIELD OF BUSH SNAP BEAN (Phaseolus vulgaris L.)

1986 ◽  
Vol 66 (3) ◽  
pp. 669-675 ◽  
Author(s):  
M. N. J. WAHAB ◽  
D. H. DABBS ◽  
R. J. BAKER
Keyword(s):  
Phaseolus Vulgaris ◽  
Unit Area ◽  
Field Trials ◽  
Planting Density ◽  
Average Yield ◽  
Phaseolus Vulgaris L ◽  
Snap Bean ◽  
Pod Yield ◽  
Density Relationship ◽  
Equal Spacing

Because of interest in maximizing production per unit area in regions where the land base is limited, the effects of planting density; (16–116 plants m−2) and planting design on pod yield of bush snap bean (Phaseolus vulgaris L.) were measured in replicated field trials with cv. Harvester in 1980 and 1981. Three planting designs were used: (a) conventional row designs with interplant spacing of 5 cm and interrow spacing of 20, 45, 80 and 125 cm; (b) square designs with interplant and interrow spacings both at 10, 15, 20 and 25 cm; and (c) triangle designs (honeycomb) with plants arranged at equal distances of 10, 15, 20 and 25 cm from each of their six nearest neighbors. In all three planting designs, higher planting densities (up to 116 plants m−2) gave higher pod yields per unit area. Except for the lower response in the square design in 1981, increases in yield with increasing density were similar for all designs in both years. Pod yields did not differ from one design to the other in 1980. In 1981, the triangle design gave the highest average yield and the row design gave the lowest average yield. The results confirm observations of yield advantages in planting designs which use equal spacing in all directions.Key words: Yield-density relationship, row spacing, honeycomb design, snap bean, Phaseolus vulgaris

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