287 Result(s)
within
Jia**g Cheng
Life Sciences
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Chapter
Systems Analysis and Rice Pest Management
Rice pest problems are complex. The level of pest attack and damage, and the way in which rice farmers deal with them are determined by a range of factors, including ecological and technical features of the cr...
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Chapter
A New Method to Determine Belowground Production in Forest Ecosystems
For understanding forest nutrient cycling, a reliable method to estimate belowground (root) production is needed. The methods employed so far are unsatisfactory (6) The aim this study was to utilize recent kno...
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Chapter
Genetic Transformation of Potato with Bacillus Thuringiensis HD 73 Cryia(C) Gene and Development of Insect Resistant Plants
Solanum tuberosum L. was transformed using an Agrobacterium tumefaciens binary vector containing DNA encoding a translational fusion between the Bacillus thuringiensis var. kurstaki (B.t.k.) HD-7...
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Article
Acetosyringone and osmoprotectants like betaine or proline synergistically enhance Agrobacterium-mediated transformation of apple
The effects of the plant signal molecule acetosyringone (AS) and the osmoprotectant betaine phosphate (BP) have been examined for their ability to increase the transformation efficiency of Agrobacterium tumefacie...
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Chapter
Density-related Effects on the Components of Fitness and Population Dynamics of Planthoppers
The extent to which populations are “regulated” or suppressed by density-dependent factors continues to be the subject of extensive ecological debate (see Slade 1977; Strong 1984; Vickery and Nudds 1984; Hasse...
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Chapter
A Systems Approach to Planthopper Population Dynamics and Its Contribution to the Definition of Pest Management Options
Changes in pest management technology and in its perception and risk have resulted in the adoption of different control approaches. As illustrated by developments in the United States, Perkins (1982) showed th...
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Protocol
Protoplast Electrofusion and Regeneration in Potato
Protoplast fusion and subsequent in vitro plant regeneration, leading to somatic hybridization, offer opportunities for transferring entire genomes from one plant into another, regardless of the interspecific ...
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Article
Colorado potato beetle resistant somatic hybrid potato plants produced via protoplast electrofusion
Leptines are natural glycoalkaloids found only in certain selections of the wild potato speciesSolanum chacoense. These rare glycoalkaloids have been identified to be phytochemical defensive agents against insect...
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Article
Electromechanical effects of acetylcholine on the atrial tissues of the cultured tilapia (Oreochromis nilotica × O. aureus)
The effects of acetylcholine (ACh) on the action potential and twitch force of atrial tissues isolated from 15 tilapia (Oreochromis nilotica × O. aureus) were studied by means of conventional microelectrode techn...
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Article
Microstructures and optical properties of sol-gel derived TiO2 anatase thin films
TiO2 anatase thin films on quartz substrates were prepared with sol-gel method. The dry gel films, made by spin coating 10 times, were calcined at various temperatures. From X-ray diffraction analyses, it is foun...
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Article
The energy transfer in Pr3+/Yb3+ Co-doped fiber amplifier
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Article
Laser cooling using anti-stokes fluorescence in Yb3+-doped fluorozirconate glasses
The fluorozirconate glasses ZBLANP (ZrF4−BaF2−LaF3−NaF−PbF2) doped with different Yb3+ concentration were prepared. The Raman spectra and absorption spectra are measured to substantiate the existence of phonon-as...
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Article
Sweet pepper ferredoxin-like protein (pflp) gene as a novel selection marker for orchid transformation
A novel method for selection of transgenic plants utilizing the sweet pepper (Capsicum annuum L.) ferredoxin-like protein (pflp) gene as selection marker and Erwinia carotovora as the selection agent has been dev...
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Article
The Sweet Pepper Ferredoxin-Like Protein (pflp) Conferred Resistance Against Soft Rot Disease in Oncidium Orchid
Genetic engineering to date has not been used to introduce disease resistance genes into the orchid gene pool. The ferredoxin-like protein gene originally isolated from sweet pepper is thought to function as a...
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Article
Complex influence of rice variety, fertilization timing, and insecticide on population dynamics of Sogatella furcifera (Horvath), Nilaparvata lugens (Stål) (Homoptera: Delphacidae) and their natural enemies in rice in Hangzhou, China
The complex influence of rice variety, fertilization timing, and insecticides on the population dynamics of Sogatella furcifera (Horvath) and Nilaparvata lugens (Stål), and their natural enemies was studied in ri...
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Article
Purification and some properties of β-N-acetyl-D-glucosaminidase from prawn (Penaeus vannamei)
The β-N-acetyl-D-glucosaminidase (NAGase, EC 3.2.1.52) from prawn (Penaeus vannamei) was purified by extraction with 30% ethanol solution and ammonium sulfate fractionation, then chromatographed on Sephadex G-100...
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Article
Application of fluorescence-based resistance gene analog analysis for genoty** plant genetic resources
Conventional approaches for detecting disease resistance gene analogs (RGAs) in plants are based on agarose gels or on polyacrylamide gel electrophoresis (PAGE) in combination with silver staining or radioacti...
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Article
Photocatalytic oxidation of NO x with porous TiO2 nanometer thin film
A new kind of porous nano TiO2 composite films was prepared on the glass substrate with the water glass as binders and the sodium fluorosilicate as solidifying reagent. The morphologies of the films were studied ...
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Article
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
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...
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Article
Isolation and identification of the pollen-expressed polymorphic F-box genes linked to the S-locus in apple (Malus × domestica)
Using degenerate primers designed based on the conserved regions of the reported SLF/SFB genes, more than a dozen of different cDNA clones were isolated from pollen of three different apple S-genotypes by reverse...
