Keefektivan padi transgenik terhadap hama penggerek batang padi kuning Scirpophaga incertulas (Walker) (Lepidoptera: Crambidae)
نویسندگان
چکیده
منابع مشابه
Population decrease of Scirpophaga incertulas Walker (Lepidoptera Pyralidae) under climate warming
Scirpophaga incertulas Walker is an important agricultural pest in Asia. Only few studies are available on its long-term population dynamics under climate warming. In this study, we used the linear and generalized additive models (GAMs) to analyze the historical dataset of >50 years on this pest at Xinfeng County of Jiangxi Province, China. The main objective of this study was to explore the ef...
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شبپره شمشاد، (Cydalima perspectalis (Walker, 1859، آفت بومی درختان شمشاد در نواحی نیمهگرمسیری آسیای شرقی میباشد که سال 2007 به اروپا وارد شده است. سنین مختلف لاروی و پیششفیرههای شبپره شمشاد از تیر تا اواسط مرداد 1395 از روی گونه شمشاد خزری Buxus hyrcana Pojark. در استان گیلان جمعآوری شد. خسارت آفت در مناطق مورد مطالعه بسیار شدید بود. لاروهای Cydalima perspectalisاز برگها و پوست شاخ...
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We study two questions associated with rational approximation of a function f(z) near the origin z-0: continuity of the Pad approximation operator, and convergence of Chebyshev to Pad ap-proximants as the domain of approximation shrinks to a point. Both become delicate in the case of degenerate approximations, i.e. approximations whose numerator and denominator are deficient in degree. In this ...
متن کاملSequence requirements for translation initiation of Rhopalosiphum padi virus ORF2.
Rhopalosiphum padi virus (RhPV) is an aphid-infecting virus with a 10-kb ssRNA genome that contains two large open reading frames (ORFs). ORF1 and ORF2 encode the nonstructural and structural polyproteins, respectively. Both ORFs are preceded by noncoding regions of 500 nt that could function as internal ribosome entry segments (IRESes). The sequence for ORF2 lacks an obvious initiation codon, ...
متن کاملResistance to Rhopalosiphum padi (Homoptera: Aphididae) in three triticale accessions.
Experiments were conducted to identify and characterize host plant resistance to bird cherry-oat aphid, Rhopalosiphum padi (L.), in various wheat and wheat-grass hybrids. Initial tests screened for resistance to R. padi among 12 grass accessions (eight wheat [Triticum aestivum L.], three triticale [XTriticosecale Wittmack], and 1XElytricum [Elytrigia elongata [Host] Nevski x Triticum aestivum h...
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ژورنال
عنوان ژورنال: Jurnal Entomologi Indonesia
سال: 2016
ISSN: 2089-0257,1829-7722
DOI: 10.5994/jei.6.1.30