scholarly journals Particularităţile influenţei componenţilor minori asupra eficienţei feromonilor sexuali ai viermelui oriental în plantaţiile de măr

2021 ◽  
Author(s):  
Ivan Boubatrin ◽  
◽  
Natalia Raileanu ◽  
Vasilisa Odobescu ◽  
Svetlana Jalba ◽  
...  

The scope of the research was to determine the biological efficiency of the multicomponent blend of Orienthal fruit moth sex pheromone in the apple orchard. The introduction of the minor component M1 in doses of 10% to the basic components on dispensers had led to a increase in number of males caught in sex pheromone traps by 1,7 times. While the male captures on traps where was added 10% of minor component M2 to the basic ones had led to a increase by 1,2 times. The minor component M2 in-crease of doses had led to a proportional decrease of the male caught in traps. Research will be continued.

1976 ◽  
Vol 108 (10) ◽  
pp. 1037-1040 ◽  
Author(s):  
C. R. MacLellan

AbstractThe intensive use of sex pheromone traps in an insecticide-free apple orchard from 1972 to 1974 reduced the codling moth population and level of fruit damage. The sex ratio of bait-trapped adults indicated that the male population was being reduced by the pheromone traps. In commercial orchards pheromone trapping of males suppressed codling moth damage to fruit but the amount of damage was above acceptable economic levels.


2021 ◽  
Author(s):  
Vladimir Sleahtici ◽  
◽  
Natalia Raileanu ◽  
Vasilisa Odobescu ◽  
Svetlana Jalba ◽  
...  

In this paper is reported the evaluation of biological efficacy of two minor components that was added to the basic sex pheromone component Cydia pomonella L., E8, E10-C12-OH. The use of minor component- C.M.-1 of increasing concentrations in binary mixture compositions with the basic sex phe-romone component of codling moth on pheromone-impregnated rubber septa in delta pheromone traps has shown an increased effectiveness by 56-62% in field trials on apple orchard. At the same time, the number of males caught in delta pheromone traps where were used minor component - C.M.-2 in binary mixture compositions increased by 29-35%. Auxiliary research is still needed.


1975 ◽  
Vol 107 (12) ◽  
pp. 1265-1269 ◽  
Author(s):  
M. D. Proverbs ◽  
D. M. Logan ◽  
J. R. Newton

AbstractCodling moth, Laspeyresia pomonella (L.), injury in a 14-ha apple orchard gradually increased in 1973 and 1974 despite the presence of 480 sex pheromone traps (1 mg trans-8, trans-10, dodecadien-1-ol per trap). Percentage injured fruit at harvest was 0.00075, 0.0062, and 0,033 in 1972, 1973, and 1974, respectively. Numbers of wild male moths trapped increased from 3e in 1973 to 64 in 1974.


2020 ◽  
Vol 45 (3) ◽  
Author(s):  
Humberto Reyes-Prado ◽  
Agustín Jesús Gonzaga Segura ◽  
Concepción Martínez-Peralta ◽  
Paola Rossy García Sosa

2020 ◽  
Vol 127 ◽  
pp. 104959
Author(s):  
Hermine C. Mahot ◽  
Joseph R. Mahob ◽  
David R. Hall ◽  
Sarah E.J. Arnold ◽  
Apollin K. Fotso ◽  
...  

Sign in / Sign up

Export Citation Format

Share Document