|Table of Contents|

Ecological Adaptability of Glyphosate-resistant Transgenic Soybean NZL06-698 in Weed Environment(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2017年06期
Page:
866-871
Research Field:
Publishing date:

Info

Title:
Ecological Adaptability of Glyphosate-resistant Transgenic Soybean NZL06-698 in Weed Environment
Author(s):
HUANG YaoGUO Ru-qingLIU Biao
(Nanjing Institute of Environmental Sciences, Ministry of Environmental Protection, Nanjing 210042, China)
Keywords:
Glyphosate-resistant transgenic soybean Survival competitive ability EPSPS protein
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2017.06.0866
Abstract:
To study the ecological adaptability of glyphosate-resistant transgenic soybean NZL06-698(GT698) in the wild, we set weed treatment to simulate field environment to discuss the survival competitive ability of transgenic soybean and exogenous EPSPS protein expression.The results showed that the plant height (R8), 100-grain weight of GT698 were significantly higher than those of parent soybean Mengdou12 (MD12) under weed treatment and control, but the yield per plant, seed numbers per plant, and seed setting rate was significantly lower than that of MD12, which meant exogenous gene epsps did not enhance survival competitive ability of GT698.Compared to MD12,survival competitive ability of GT698 was weak. The study noted that weed condition limited the growth of GT698 significantly, yield per plant, seed numbers per plant, 100-grain weight and seed setting rate of GT698 in weed treatment were significantly lower than those of under control. ELISA showed that exogenous EPSPS protein in the leaves and grains of GT698 expressed normally in weed treatment and control, and there was no significant difference of EPSPS protein expression between two treatments.The above results showed that the transgenic soybean weeds expressed EPSPS protein normally, which provided GT698 with glyphosate-resistant trait.However, the exogenous gene did not increase the survival competitive ability of transgenic soybean, and the growth of GT698 was inhibited by weed significantly. In all, we speculated the ecological adaptation ability of GT698 is weaker comparing to the parent soybean MD12.

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Last Update: 2018-01-25