IMPROEMENT ANA VARIATION OF MAIN AGRONOMIC CHARACTERSOF HEFENG SOTBEAN VARIETIES(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Title:: IMPROEMENT ANA VARIATION OF MAIN AGRONOMIC CHARACTERSOF HEFENG SOTBEAN VARIETIES

Author(s):: GUO Tai; Hej iang Agricultural institute , Heilongjiang Academy of Agricultural Sciences, Jiamusi , 154007

Abstract:: Genetic improv ement of main agro nomic characters of 15 Hefeng soybea n v arieties dev elopedf rom 1959 to 1995 w as studied. Result s show ed tha t seed weight per plant , pot s per pla nt , seeds perplant , po ds of stem, pods per node, seeds o f main stem, seed w eig ht of main stem, ratio of seed w eigh t /stem w eig ht ended to decrease in early y ears and increase in later years. During the period, seeds per podcha ng ed af fernat ly. The g rowing period of emerg ence to tall blooming was sho rt, a nd the ea rly po ddingstag e w as lo ng , and full blooming to ma turity w as pro per. 100- seed w eight , plant heig ht , branches No.emerg ence to full blooming tended to decrease in early yea rs and increase in la ter yea rs. Stem thickness,full blooming to maturity tended to increase in ea rly and la ter years, but decrease in the intermediatestag e. Dry stem w eig ht , stem st reng th increa sed. Seeds of branch decreased in intermediate and latery ea rs, and then increased. Pods of branch and seed w eigh t of bra nch changed altermat ly. Height of bo ttompods from soil surface decreased. Leng th of internode w ere short in early and la ter y ea rs, and lo ng in theintemerdiate stag e. No des of main stem chang ed sligh tly , and tended to increase in la ter y ea rs.

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Last Update: 2016-12-28