Results 111 to 120 of about 5,939 (204)

Differential diurnal population density ratios of wet rice arthropods in Malaysia [PDF]

open access: yes, 1997
The varying population density of wet rice arthropods in a 24-h period, at two different locations, was monitored. Using one hill as the sampling unit, 22 categories of arthropods were visually counted every 3 h.
M. M., Rashid   +1 more
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Differences in Induced Volatile Emissions among Rice Varieties Result in Differential Attraction and Parasitism of Nilaparvata lugens Eggs by the Parasitoid Anagrus nilaparvatae in the Field [PDF]

open access: yes, 2018
We compared the volatiles of JA-treated plants of six rice varieties and then determined, in the laboratory and field, if they differed in attractiveness to Anagrus nilaparavate Pand et Wang, an egg parasitoid of rice planthoppers.
Chen, Xuexin   +5 more
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Characteristics and Toxicity of Nanoemulsion Formulation of Piper Retrofractum and Tagetes Erecta Extract Mixtures [PDF]

open access: yes, 2018
Characteristics and Toxicity of Nanoemulsion Formulations of Piper retrofractum and Tagetes erecta Extract Mixtures. Nanotechnology has been used in the developing of botanical insecticide formulation for improving its stability and effectiveness.
Dadang, D. (Dadang)   +3 more
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Insect Pests in Agroecosystem Where Three Corn Varieties Were Grown Under Conservation Versus Full Tillage System in Natar, South Lampung in 2001 Growing Season [PDF]

open access: yes, 2002
Serangga hama pada pertanaman jagung yang dibudidayakan dengan olah tanah konservasi di Natar Lampung Selatan pada musim tanam 2001. Penelitian sebelumnya (musim penghujan 2000) menunjukkan bahwa serangga yang berpotensi menjadi hama tanaman jagung di ...
Swibawa, F. X. (F)
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Laboratory and Field Assessments of Prey-Mediated Effects of Transgenic Bt Rice on Ummeliata insecticeps (Araneida: Linyphiidae) [PDF]

open access: yes, 2017
One major concern regarding the release of Bt rice is its potential impact through tritrophic interactions on nontarget arthropods, especially natural enemies. We studied the effects of two Bt transgenic rice varieties, TT9- 3 and KMD1, expressing Cry1Ab/
Chen, M.   +7 more
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Chitin Deacetylase Gene Family Positively Regulates the Accumulation of Rice Stripe Virus in Laodelphax striatellus Fallén (Hemiptera: Delphacidae) Ovaries

open access: yesInsects
Chitin deacetylase modifies chitin and has critical functions in the growth and development of insects; however, whether it has other roles is unclear.
Wenxing Hu   +6 more
doaj   +1 more source

Role of fish in enhancing ricefield ecology and in integrated pest management: summary report [PDF]

open access: yes
Summary report of the Third Asian Regional Rice-Fish Farming Research and Development Workshop, Indonesia, 1993. Includes sessions on ricefield ecology and fish; integrated pest management (IPM); research methodology; and IPM adoption.Rice-fish ...
dela Cruz, C.R. (ed.)
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Agamermis catadecaudata n. sp. (Nematoda : Mermithidae), a parasitoid of Orthoptera in south-eastern Australia [PDF]

open access: yes, 1995
#Agamermis catadecaudata$ n. sp. est un parasitoïde des acridiens #Phaulacridium vittatum$ (Sjöstedt), #Praxibulis exsculptus$ Rehn et #Brachyexarna lobipennis$ Sjöstedt, le Tétrigide #Paratettix australicus$ Walker, du Katydide #Conocephalus$ sp.
Baker, G.L., Poinar Jr, G.O.
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An Insect Salivary Sheath Protein Triggers Plant Resistance to Insects and Pathogens as a Conserved HAMP

open access: yesAdvanced Science
Herbivore‐associated molecular patterns (HAMPs) in saliva enable plants to detect herbivores and activate pattern‐triggered immunity (PTI). Piercing‐sucking herbivores secrete gel saliva, forming salivary sheaths that assist in feeding, however, the role
Liangxuan Qi   +12 more
doaj   +1 more source

Flight behaviour and migration of insect pests: Radar studies in developing countries (NRI Bulletin 71) [PDF]

open access: yes, 1997
The use of radar to make direct observations of insects flying at altitude has provided many new insights into the phenomenon of long-range insect migration.
Reynolds, D.R., Riley, J.R.
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