CONTROL OF STINKWEED (THLASPI-ARVENSE) AND FLIXWEED (DESCURAINIA-SOPHIA) IN WINTER-WHEAT (TRITICUM-AESTIVUM)
CONTROL OF STINKWEED (THLASPI-ARVENSE) AND FLIXWEED (DESCURAINIA-SOPHIA) IN WINTER-WHEAT (TRITICUM-AESTIVUM)
复制标题
DOI：
10.4141/cjps90-099
复制
发表时间：
1990-07-01
影响因子：
1.2
通讯作者：
BLACKSHAW, RE
中科院分区：
文献类型：
--
作者：
BLACKSHAW, RE
1986年至1989年在加拿大阿尔伯塔莱斯布里奇进行了田间试验，以确定秋季或春季选择性防治澳洲蓟（Thlaspi arvense L.）和狐尾草[播娘蒿（Descurainia sophia（L.）在冬小麦（Triticum aestivum L.）除草剂一般控制这些杂草时，在秋季比在春季应用。春季出现的杂草降低了非残留秋季治疗的整体效果。在秋季控制臭草和狐尾草并对这些杂草的春季潮涌提供残留控制的除草剂获得了上级控制和最大的作物产量。秋施绿磺隆、甲磺隆、嗪草酮、麦草畏加2，4-D和氨氯吡啶酸加2，4-D对这些杂草的初期和残留防效均很好。任何处理均不影响冬小麦的越冬率。作物损伤只观察到涉及嗪草酮的治疗，然后只在3年的1。在3年的研究中，臭草和狐尾草的结合使冬小麦的产量降低了18-32%。
Field studies were conducted from 1986 through 1989 at Lethbridge, Alberta to determine suitable herbicides applied in either fall or spring for the selective control of stinkweed (Thlaspi arvense L.) and flixweed [Descurainia sophia (L.) Webb] in winter wheat (Triticum aestivum L.). Herbicides generally controlled these weeds better when applied in fall than in spring. Weeds emerging in the spring reduced the overall effectiveness of non-residual fall treatments. Superior control and greatest crop yields were attained with herbicides that controlled stinkweed and flixweed in the fall and provided residual control of spring flushes of these weeds. Fall-applied chlorsulfuron, metsulfuron methyl, metribuzin, dicamba plus 2,4-D, and picloram plus 2,4-D provided excellent initial and residual control of these weeds in all 3 yr. Winter survival of winter wheat was not affected by any treatment. Crop injury was observed only with treatments involving metribuzin and then only in 1 of 3 yr. Stinkweed and flixweed combined to reduce the yield of winter wheat by 18-32% over the 3 yr of the study.