Biological aspects of the fall armyworm Spodoptera Frugiperda (J.E. SMITH) on different host plants [electronic resource].

By: Contributor(s): Language: English Summary language: Arabic Description: p.283 -287Other title:
  • الجوانب البيولوجية لدودة الحشد الخريفية مع اختلاف العوائل النباتية [Added title page title]
Uniform titles:
  • Mansoura University Journal of plant protection and pathology, 2022 v. 13 (12) [electronic resource].
Subject(s): Online resources: In: Mansoura University Journal of Plant Protection and Pathology 2022.v.13(12)Summary: The fall armyworm Spodoptera frugiperda (J.E. Smith) has become one of the factors threatening the productivity of agricultural crops worldwide. In the Egyptian fields, it became one of the most dangerous pests that attack maize at the country level. In northern Egypt, the larvae were found feeding on plant species such as corn, okra, mallow, amaranth, also the larvae were found feeding on the fruits of tomato and pepper plants and table beets. Therefore, it was bred in a laboratory on these plants and fruits, which showed the ability to survive in all these plant families with rates 90 ,80,76.7, 83.3 ,70,63.3 and 10%. The eggs incubation period was similar in all plants with ranged 2.5-3.0 days. Larval duration recorded 13.0±1.0,15.0±1.0,16.0 ±0.5 ,13.0 ±1.0,19.0±1.0, 19.5±0.0 and 18 ±0.0 days. pupal duration found to be similar in all host plant with range 6.0±0.6 to 6.3±0.6 days. Adults longevity exhibited a significant difference between maize, okra, amaranth, mallow with 10.5±0.13 day and that on tomato, pepper and table beet with 8.0±1.0, 6.0±1.0 and 4.0±05 days, respectively. The female preoviposition period lasted 2.0±0.5 day in all plant species ,also Oviposition period lasted 5.0±0.5 day ,and post oviposition period lasted 2.00±0.0 days .In egg laying choice test females laid eggs on maize and amaranth plants, meanwhile in no-choice test, females laid eggs on all plants . Keywords: Fall Armyworm, Biology, longevity.
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The fall armyworm Spodoptera frugiperda (J.E. Smith) has become one of the factors threatening the
productivity of agricultural crops worldwide. In the Egyptian fields, it became one of the most dangerous pests that
attack maize at the country level. In northern Egypt, the larvae were found feeding on plant species such as corn,
okra, mallow, amaranth, also the larvae were found feeding on the fruits of tomato and pepper plants and table
beets. Therefore, it was bred in a laboratory on these plants and fruits, which showed the ability to survive in all
these plant families with rates 90 ,80,76.7, 83.3 ,70,63.3 and 10%. The eggs incubation period was similar in all
plants with ranged 2.5-3.0 days. Larval duration recorded 13.0±1.0,15.0±1.0,16.0 ±0.5 ,13.0 ±1.0,19.0±1.0,
19.5±0.0 and 18 ±0.0 days. pupal duration found to be similar in all host plant with range 6.0±0.6 to 6.3±0.6 days.
Adults longevity exhibited a significant difference between maize, okra, amaranth, mallow with 10.5±0.13 day and
that on tomato, pepper and table beet with 8.0±1.0, 6.0±1.0 and 4.0±05 days, respectively. The female
preoviposition period lasted 2.0±0.5 day in all plant species ,also Oviposition period lasted 5.0±0.5 day ,and post
oviposition period lasted 2.00±0.0 days .In egg laying choice test females laid eggs on maize and amaranth plants,
meanwhile in no-choice test, females laid eggs on all plants .
Keywords: Fall Armyworm, Biology, longevity.

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