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1
Integrated Pest Management: Volume 2: Dissemination and Impact
In Laguna 44% of farmers said they used some kind of botanical insecticide for
caseworm and other pests (Marcianoetal. 1981).Ivory Coast farmers recalled a
number of indigenous practices based on plants such as throwing either lemons
...
Rajinder Peshin, A. K. Dhawan, 2009
The rice caseworm Nymphula depunctalis (Guenée) (Pyralidae- Lepidoptera) is
an important insect pest of rice. It occurs in Australia, many tropical countries (
India, Indonesia, Malaysia, Philippines, Sri Lanka), and in Africa, and South
America ...
M. D. Pathak, Zeyaur R. Khan, 1994
3
Genetic Evaluation for Insect Resistance in Rice
Chapter 22 CASEWORM Because of the aquatic habits of its larva, the rice
caseworm Nymphula depunctalis is a pest only in rice fields where there is
standing water. It is most serious on young plants. It is widely distributed,
occurring in South ...
E. A. Heinrichs, F. G. Medrano, H. R. Rapusas, 1985
4
International Rice Research Newsletter
Activity of insecticide sprays as ovicides against rice caseworm. a IRRI, 1980.
a100 eggs/replication. In a column, means followed by a common letter are not
significantly different at 5% level. b 400 ppm. EC = emulsifiable concentrate, WP
...
International Rice Research Institute, 1979
5
Crop Loss Assessment in Rice
The single-pest thresholds for stem borer (deadheart) and caseworm are
therefore $20.65 ETLdh= = 8% (11) $0.16 × (0.18 × 152000)/1000× 0.60 ETLcw=
$20.65 =9% (12) $0.16 × (0.16 × 152000)/1000 × 0.60 Pest control action is
warranted ...
Domain Major rice insects Irrigated Rainfed others(7) Bug(1); borer(1); leaffolder(
1); others (1) Borer(4); caseworm(3); bug(3); others(6) armyworm(11); caseworm(
7); bug(7); borer(6); others(1) Bug(1); white grub((1); others(6) Borer(1); bug(1); ...
7
Rice
Caseworm: Mass Rearing Technique and Its Utilization
To developed a practical mass rearing method; To develop a procedure to quickly evaluate large numbers of rice cultivars to determine relative levels of resistance; To evaluate the efficacy of the most common rice insecticides in the ...
8
Rice-feeding Insects and Selected Natural Enemies in West ...
A survey conducted in Côte d'Ivoire in July 1995 indicated that caseworm
damage was more severe in the forest (humid tropical) zone than in the Guinea
savanna. Defoliation by the caseworm was 34% in the forest and 7% in the
savanna ...
Its common name, caseworm, refers to the larval habit of enclosing itself during
feeding in leaves of rice plants or grasses. Rice is its preferred host but it also
infest various grasses and millets. LIFE HISTORY The adult moths are white,
about 6 ...
10
Azolla Utilization: Proceedings of the Workshop on Azolla ...
The number of adults of the caseworm complex caught was higher in July than in
other months, whereas that of the spinningworm was higher in June. Larval (2d-
to final-instar) and pupal populations of the caseworm complex and the ...
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «CASEWORM»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
caseworm w wiadomościach.
Insects that carry homes on their backs
Bagworm or caseworm is larvae of the psychidae family of moth. The larvae collect materials such as soil, sticks and other plant materials along ... «mydigitalfc.com, Wrz 13»
