Selection of Rhizobium isolates able to improve productivity of lentil (Lens culinaris Medik)

被引：2
|
作者：
Zaccardelli, Massimo [1 ]
Campanile, Francesco [1 ]
Del Galdo, Armida [1 ]
Lupo, Francesco [1 ]
机构：
[1] CRA Ctr Ric Orticoltura, I-84091 Battipaglia, SA, Italy
来源：
ACTA AGRICULTURAE SCANDINAVICA SECTION B-SOIL AND PLANT SCIENCE | 2012年 / 62卷 / 03期
关键词：
Inoculation; lentil; M13-PCR; nitrogen; rhizobia; LEGUMINOSARUM; GROWTH; SEQUENCES; SYMBIOSIS; EFFICACY; CHICKPEA; STRAIN; DNA; L;
D O I：
10.1080/09064710.2011.605386
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Nitrogen-fixing efficiency is influenced by genetic combination of rhizobia strain/legume genotype. In this research, 48 rhizobia isolates from lentil (Lens culinaris Medik) were characterized for DNA polymorphism and assayed for their ability to improve, in open field, grain yield of lentil. By DNA polymorphism analysis, only four haplotypes were observed for Rhizobium isolates from lentil seeds, whereas a higher genetic variability was observed for Rhizobium isolates obtained from root-tubercles. The performance of the 11 rhizobia haplotypes was analysed in the field after inoculation on two Italian lentil ecotypes. Two isolates of rhizobia induced a significant improvement of grain yield (plus from 37% to 40% with respect to non-inoculated plants) on the Colfiorito ecotype, whereas no significant improvement of yield was obtained on Colliano.
引用
收藏
页码：256 / 262
页数：7
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