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Understanding Brown Planthopper Resistance in Rice: Genetics, Biochemical and Molecular Breeding Approaches

Rice science 2021年第6期28卷 532-546页

作者： Lakesh MUDULI Sukanta Kumar PRADHAN abinash mishra Debendra Nath BASTIA Kailash Chandra SAMAL Pawan Kumar AGRAWAL Manasi DASH Department of Plant Breeding and Genetics College of AgricultureOdisha University ofAgriculture and TechnologyBhubaneswar 751003OdishaIndia Department of Bioinformatics Centre for Post Graduate StudiesOdisha University of Agriculture and TechnologyBhubaneswar 751003OdishaIndia Department of Agricultural Biotechnology College of AgricultureOdisha University of Agriculture and TechnologyBhubaneswar 751003OdishaIndia

Brown planthopper(BPH,Nilaparvata lugens St自I)is the most devastating pest of rice in Asia and causes significant yield loss *** 37 BPH resistance genes have been identified so far in indica,African rice varieties along with wild germplasms such as Oryza officinalis,***,***,***,*** and O,***/QTLs involved in BPH resistance,including Bph1,bph2/BPH26,Bph3,Bph6,bph7,BPH9,Bph12,Bph14,Bph15,Bph17,BPH18,bph19,Bph20,Bph21(t),Bph27,Bph27©Bph28(t),BPH29,QBph3,QBph4,QBph4.2,Bph30,Bph32,Bph33,Bph35 and Bph36,have been fine-mapped by different researchers across the *** majority of genes/QTLs are located on rice chromosomes 1,3,4,6,11 and *** plants respond to BPH attack by releasing various endogenous metabolites like proteinase inhibitors,callose,secondary metabolites(terpenes,alkaloids,flavonoid,etc.)and volatile *** that,hormonal signal pathways mediating(antagonistic/synergistic)resista nee responses in rice have been well ***-assisted breedi ng and genome editi ng techniq ues can also be adopted for improving resista nee to novel BPH biotypes.

关键词： rice brown planthopper resista nee wild germplasm marker-assisted breedi ng genome editing secondary metabolite

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Bioavailability and Immunity Response in Broiler Breeders on Organically Complexed Zinc Supplementation

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Food and Nutrition Sciences 2013年第12期4卷 1293-1300页

作者： Neeta Soni Sumanta Kumar mishra Rajakishore Swain abinash Das Biswal Chichilichi Kamdev Sethy Department of Animal Nutrition College of Veterinary Science and Animal Husbandry Orissa University of Agriculture and Tech-nology Bhubaneswar India.

Two hundred and sixty four broiler breeder hens of 32 weeks of age were distributed randomly in four dietary treatments. The dietary treatments were T0: Broiler breeder ration containing 40 ppm zinc (basal 29.8 ppm + 10.2 ppm inorganic zinc), T1: T0 + organic zinc (zinc methionine) @ 20 ppm, T2: T0 + organic zinc @ 40 ppm and T3: T0 + organic zinc @ 60 ppm. The experiment was continued from 32 to 48 weeks of age. At 48 weeks, the weight of lymphoid organs, zinc levels in organs and immunity response were determined. The faecal zinc level was determined at monthly interval. The weight lymphoid organs of different treatment groups (both organic and inorganic zinc fed groups) of the broiler breeders did not differ significantly (P > 0.05). The cellular immune response of breeder birds to PHA-P was significantly (P 0.05) higher in group T3 than the rest of treated groups. The antibody titre to SRBC differed among the treated groups. The zinc content of serum of broiler breeders of all the groups did not differ significantly (P > 0.05) in all the periods of study. Zinc content in liver and tibia of broiler breeders in different dietary treatments of zinc differed significantly (P 0.05) with higher levels were obtained on increasing zinc concentration in the diet. The zinc level in the spleen and kidney of the broiler breeders in different dietary treatments did not differ significantly (P > 0.05). The average zinc content in the faeces of broiler breeder during 35 to 43 week of age did not differ significantly (P > 0.05) among the treated groups. At 48 weeks of age, zinc content of the faeces of T3 was found to be significantly (P 0.05) higher than the rest of treated groups. Similarly, during the overall experimental period analysis, it was found that zinc levels in the faeces of T2 and T3 were significantly (P 0.05) higher than T1 and T0.

关键词： Organic Zinc Immunity Bioavailability Broiler Breeders

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