STUDY ON RESISTANCE STANDARD OF SOYBEAN PLANTS TOCERCOSPOR A SOJIN A Hara(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Title:: STUDY ON RESISTANCE STANDARD OF SOYBEAN PLANTS TOCERCOSPOR A SOJIN A Hara

Author(s):: Cao Yueping¹Yang Qing kai²; 1.Shanghai J iaotong U ni versity 201101 ;
2.Northeast Agr iculture University

Abstract:: The establishment of resistance standard of soybean plant is very important but difficult to distinguishin resistance breeding and mechanism studies .The spots dist ributions of F2 plant , the resistant -sensitive rate ofthe separations in F3 lines of different F2 plants and the resistance ability after the first invasion of Cerospor asoj ina Hara in soybean plant w as discussed in the paper .The resistant -sensitive standard of soybean plant toCerospora sojina Hara wi th several physical races existed should be at the point that BBXJS is 10 .This meansthat the spot s of the resistant plants in this sy stem should be less than 5 -8 spo ts

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Last Update: 2016-12-30