Soybean mosaic virus

Tài liệu "Virus gây bệnh lùn xoắn lá lúa và virus khảm lá đậu nành" gồm các nội dung chính như Giới thiệu; Rice Ragged Stunt Virus; phương pháp phát hiện bệnh; biện pháp phòng và điều trị. Mời các bạn cùng tham khảo!

33p ththanh1991 13-12-2022 29 2   Download

Luận văn Thạc sĩ Công nghệ sinh học: Nghiên cứu chuyển cấu trúc RNAi vào giống đậu tương DT84 phục vụ tạo dòng cây chuyển gen kháng Soybean mosaic virus được thực hiện với mục tiêu nhằm tạo được dòng cây chuyển gen mang cấu trúc RNAi chứa đoạn gen CPi của SMV ở giống đậu tương DT84. Mời các bạn cùng tham khảo.

51p zhangyan 13-07-2021 22 4   Download

The SMV causing mosaic in soybean was readily transmissible through sap, seed and aphids. Sap transmission of the SMV on soybean cv. JS-335 produced characteristic symptoms such as dark green colour of leaves, mosaic and mottling symptoms, crinkling, leaf puckering of leaves. The soybean mosaic virus infected a wide range of the host plants.

5p quenchua8 29-09-2020 8 0   Download

The field experiments carried out to study the effect of border crops and insecticides against whitefly transmitted Yellow Mosaic Virus (YMV) in soybean during kharif 2015-16 and 2016-17. The treatment in combination of maize as border crop, seed treatment with thiamethoxam 30FS@5ml/kg seed, foliar application of imidacloprid 17.8 SL @ 500ml/ha at 30-35 DAS and triazophos 40 EC @ 800 ml/ha at 45-50 DAS recorded lowest mean whitefly population (1.02 whiteflies/plant), which resulted in reduced YMV disease incidence (14.63%) and highest grain yield (19.42 q/ha) among treatments in soybean.

5p trinhthamhodang7 31-08-2020 12 2   Download

The SMV was readily sap transmissible to Soybean cv. JS-335 when the inoculum was prepared in 0.1 M phosphate buffer (pH 7.0) and produce typical symptoms such as mottling, crinkling of leaves, leaf puckering and dwarfing. The cultivar JS-335 was more susceptible to SMV than other cultivars like PK-1029 and MACS-13. The extract prepared from the leaves of soybean proved to be most infectious containing the highest concentrations of the virus as compared to the extracts obtained from other plants parts (Stem and Root).

3p trinhthamhodang6 09-07-2020 13 2   Download

Under field conditions, Soybean mosaic virus infected plants exhibited the major symptoms viz., mosaic and mottling, crinkling, leaf puckering, dwarfing and younger leaves showed clear mosaic symptoms etc. The SMV Infected plants showed considerable reduction in plant height, pod length, grains per pod and pods per plant that leads to considerable reduction in the economic yield. The SMV was readily sap transmissible to cv. JS-335 when the inoculum was prepared in 0.1 M phosphate buffer (pH 7.0) and produce typical symptoms such as mottling, crinkling of leaves, leaf puckering and dwarfing.

6p trinhthamhodang6 09-07-2020 15 1   Download

Yellow Mosaic Virus disease (YMD) is a serious viral disease of soybean. Considering a very less attempt in studying the disease this investigation was carried out in order to arrive at the genetic basis of Yellow Mosaic Virus disease resistance of soybean. Crosses were made between highly resistant soybean varieties (DS 9712 and DS 9814) and two highly susceptible varieties (JS 335 and MAUS 609).

8p trinhthamhodang1213 29-05-2020 12 0   Download

Among the viral diseases, Soybean mosaic virus (SMV) is believed to have economic significance in India. Soybean mosaic is found in almost all soybean growing areas of India but usually in low to moderate intensity. Soybean plants infected with SMV were collected from different locations of Akola, Maharashtra, India. Symptoms of SMV in soybean include mosaic, rolling and puckering of foliage and chlorosis of older leaves with stunted growth. The SMV was readily sap transmissible to test plants.

6p cothumenhmong5 17-05-2020 18 1   Download

Promoters play important roles in gene expression and function. There are three basic types of promoters: Constitutive, specific, and inducible. Constitutive promoters are widely used in genetic engineering, but these promoters have limitations. Inducible promoters are activated by specific inducers.

13p viminato2711 22-05-2020 12 1   Download

Soybean mosaic virus (SMV) is the most prevalent viral disease in many soybean production areas. Due to a large number of SMV resistant loci and alleles, SMV strains and the rapid evolution in avirulence/effector genes, traditional breeding for SMV resistance is complex.

11p viminato2711 22-05-2020 15 0   Download

Forty-three genotypes of soybean were screened for soybean yellow mosaic virus disease (SYMV) under glasshouse condition using viruliferous whiteflies (Bemesia tabaci) through artificial virus inoculation method. Among 43 genotypes none of the genotypes were found highly resistance to the disease. Eleven genotypes viz.

7p trinhthamhodang1212 04-04-2020 51 2   Download

Nội dung bài viết này tiến hành chuyển đổi cấu trúc gen vào 2 giống đậu tương DT12 và DT2008 và thu được 5 dòng cây chuyển gen ở thế hệ T0 và phản ứng PCR. Mời các bạn tham khảo!

5p blackwidow123 15-06-2018 66 0   Download

Bài viết trình bày kết quả phân lập trình tự đoạn gen mã hóa protein vỏ của virus gây bệnh khảm lá ở đậu tương trồng ở Sơn La, tạo nguyên liệu để thiết kế vector phục vụ chuyển gen tạo cây đậu tương kháng SMV theo nguyên lý RNAi.

10p jangni2 19-04-2018 64 0   Download

1. Đặc điểm nhận biết Khi bị bệnh lá cây có những phần xanh nhạt, đậm và biến vàng xen kẽ, cây chậm phát triển. Lá non ở ngọn khảm lá mạnh và biến dạng. Quả thường lép. Cây bị bệnh đọt non xoăn lại, các đốt thân co ngắn, cây chùn lại, phát triển chậm, quả ít và biến dạng, sần sùi, có vị đắng. 2. Tác nhân gây bệnh Bệnh do virus SMV (Soybean mosaic virus ) gây nên. 3. Đặc điểm phát sinh phát triển bệnh Virus lan truyền do rệp, bọ trĩ làm môi giới. Sự...

2p nkt_bibo47 20-02-2012 111 9   Download

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Recombination analysis of Soybean mosaic virus sequences reveals evidence of RNA recombination between distinct pathotypes

8p dauphong5 25-12-2011 35 3   Download

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Effects of Cowpea mottle virus and Cucumber mosaic virus on six Soybean (Glycine max L.) cultivars

5p dauphong4 24-12-2011 54 3   Download