An investigation of insect pest and maximum occurrence period of key pest insect on stored rice grains
1988
Kim, K.C. | Kim, S.G. | Choi, H.S. (Chonnam National Univ., Kwangju (Korea R.). Coll. of Agruculture)
An investigation of insect pests in rice stored was carried out in Jeonnam region of Korea. The total of 2 class, 7 orders, 16 families and 25 species were recorded in Lepidoptera; 8, Coleoptera; 11, Crthoptera; 1, Thysanura; 1, Blattaria; 2, Hymenoptera; 1 and mites; 2 species. The important species among them were Sitotroga cerealella, Ephestia caxtella, Paralipsa gularis, Poldia interpunctella, in Lepidoptera, and Sitophilus oryzae, Oryzaephilus suriaxamensis, Cryptolestes ferrugineus, Tribolium castaneum, Tenebroides mauritaxius, Attagenus japonicus, in Coleoptera and Blatlella germanica, in Blattaria and Acarus siro, Petrobia latens, in mites. The duration of Maximum occurrence were the late June for Sitotroga cerealella, the mid July to early August for Plodia interpunctella the late July for Sitophilus oryzae, the late May to May to mid June for Oryzaephilus surinamensis, the mid July to August for Tribolium castanum, the early July to late July to late July for Sitophilus oryzae, the mid June to early July for Attagenus japonicus, the mid June to late September for Blatlella germanica and the late April to late May for Acarus siro and Petrobia latens, respectively in investigation. Blattela gemanica (Blattaria) which was no problem in stored rice insect till now was mainly distributed at coastal plain and period of occurrence was long and amount of occurrence was great. Rice weevil has 4 generations under natural conditions and the peak of lst period time was ranged from middle of Jun. to last decade of Jun., 2nd period was from the last decade of Jul. to first decade of Aug., 3rd peroid was from middle of Sep. to late Sep., 4th period was middle of Oct. to early Nov.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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