Results 131 to 140 of about 2,431 (199)

Bionomics of a subterranean gall midge (diptera : cecidomyiidae) from Artemisia Ludoviciana

open access: yes, 1977
Bionomics of a gall midge that emerged from nodulelike structures of herbaceous sage, Artemisia ludoviciana Nutt., was studied as a part of a larger investigation on possible nitrogen fixation by this plant.
Ranasinghe,
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Resistance to the rice gall midge \u3ci\u3eOrseolia oryzae\u3c/i\u3e in rice

open access: yes, 1982
Orseolia oryzae, the rice gall midge is a major pest of rice in many areas of tropical Asia and is becoming an important pest in Africa. A chronological review of the progress made in various national programs on varietal resistance, sources of ...
Heinrichs, E. A.
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SURVIVORSHIP AND OTHER FACTORS RELATING TO POPULATION FLUCTUATIONS OF THE PINE NEEDLE GALL MIDGE, THECODIPLOSIS JAPOiVENSIS (DIPTERA, CECIDOMYIIDAE)

open access: yes
Comparative studies of the population dynamics of the pine gall midge, Thecodiplosis japonensis, were made in four Korean red pine forests. Survivorship curves developed from these studies indicate that most gall midge mortality occurs in three periods ...
ミウラ, タダシ   +6 more
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UTILIZATION OF PROCTOTRUPOID WASPS IN KOREA FOR CONTROL OF THE PINE NEEDLE GALL MIDGE, THECODIPLOSIS JA PONENSIS (DIPTERA, CECIDOMYIIDAE)

open access: yes, 1985
The pine needle gall midge is the most injurious pest of Pinus densifora and P. thwzbergii in Korea. In general, pine needle gall midge damage reaches a maximal level about 7 years following invasion by the midge, and parasite populations increase a few ...
Lee, Buom-Young   +7 more
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DEVELOPING GALL MIDGE RESISTANT RICE (ORYZA SATIVA L.) HYBRIDS USING THREE LINE APPROACH

open access: yes, 2019
Six cytoplasmic male sterile lines (CMS) and seven testers of rice procured from Regional Agricultural Research Station (RARS), Polasa, Jagtial were crossed in Line × Tester mating design to develop heterotic rice hybrids resistant to gall midge.
B. SRINIVAS   +3 more
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THE BLACK MEDICK OR “TREFOIL” GALL MIDGE

open access: yesPlant Pathology, 1954
Barnes, H. F., Nayar, K. K.
openaire   +1 more source

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