Abstract
One of the most important pest that attacks sengon stands is boktor (Xystrocera festiva). Boktor attacks tree stem and causing high damage in term of biological, physiological and economical side. The aim of this study was to analyze damage percentage and damage level on sengon stand in terms of age, diameter and height. The result shows that boktor is starting to attack when the sengon stands are 3 years old with damage percentage and damage level were 20.26 % and 13.32%, respectively. It increased along with the increasing of age, diameter, and height. The highest percentage of damage and level of damage found in 5 years old of sengon stand i.e. 53.71% and 38.07%, respectively. The enhancement of percentage and level of damage caused by the abundant source of food, insect behavior and pest management. Boktor mostly attacks sengon stands in the range of 15.5-18.5 cm in diameter (frequency = 30 trees/ha) and 18.5-21.5 m (frequency = 40 trees/ha) in total height.Key words: boktor, damage percentage, damage level, sengon, tree age
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Claims 10
Claim · model-written summary
Boktor began attacking three-year-old sengon.
Verbatim
e0“boktor is starting to attack when the sengon stands are 3 years old”
Claim · model-written summary
Damage percentage at age three was 20.26%.
Verbatim
e0“sengon stands are 3 years old with damage percentage and damage level were 20.26 % and 13.32%”
Claim · model-written summary
Damage level at age three was 13.32%.
Verbatim
e0“sengon stands are 3 years old with damage percentage and damage level were 20.26 % and 13.32%”
Claim · model-written summary
Damage percentage increased with stand age, diameter and height.
Verbatim
e0“It increased along with the increasing of age, diameter, and height”
t0“Damage Percentage, and Damage Level due to Boktor in Sengon”
Claim · model-written summary
Damage level increased with stand age, diameter and height.
Verbatim
e0“It increased along with the increasing of age, diameter, and height”
t0“Damage Percentage, and Damage Level due to Boktor in Sengon”
Claim · model-written summary
Five-year-old stands had maximum damage percentage of 53.71%.
Verbatim
e0“highest percentage of damage and level of damage found in 5 years old of sengon stand i.e. 53.71% and 38.07%”
Claim · model-written summary
Five-year-old stands had maximum damage level of 38.07%.
Verbatim
e0“highest percentage of damage and level of damage found in 5 years old of sengon stand i.e. 53.71% and 38.07%”
Claim · model-written summary
Authors attribute damage increases to food abundance, insect behavior and pest management.
Verbatim
e0“enhancement of percentage and level of damage caused by the abundant source of food, insect behavior and pest management”
t0“Boktor in Sengon”
Claim · model-written summary
Boktor attacks were most frequent on stems 15.5-18.5 cm in diameter, at 30 trees/ha.
Verbatim
e0“Boktor mostly attacks sengon stands in the range of 15.5-18.5 cm in diameter (frequency = 30 trees/ha)”
Claim · model-written summary
Boktor attacks were most frequent on stands 18.5-21.5 m high, at 40 trees/ha.
Verbatim
e0“Boktor mostly attacks sengon stands in the range of 15.5-18.5 cm in diameter (frequency = 30 trees/ha) and 18.5-21.5 m (frequency = 40 trees/ha) in total height”