PYROXSULAM: SULFONAMIDE HERBICIDE FOR WEED CONTROL IN WHEAT IN BRAZIL

被引：0

作者：

Zobiole, L. H. S. ^{[1
]}

Gast, R. ^{[2
]}

Masters, R. A. ^{[2
]}

Pereira, G. R. ^{[1
]}

Rubin, R. ^{[1
]}

机构：

[1] Dow AgroSci Ind Ltda, Av Nacoes Unidas 14-171, Sao Paulo, SP, Brazil

[2] Dow AgroSci LLC, 9330 Zionsville Rd, Indianapolis, IN USA

来源：

PLANTA DANINHA | 2018年 / 36卷

关键词：

visual injury; Triticum spp; ALS-inhibiting herbicides; systemic herbicide; Lolium multiflorum; CROP;

D O I：

10.1590/S0100-83582018360100064

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Few herbicides are currently registered in Brazil for weed control in wheat. The objective of this research was to determine the wheat crop selectivity and the response of Lolium multiflorum to pyroxsulam. Field experiments were conducted at two locations in Parana, Brazil. At the proposed commercial rates of 15 and 18 g a.i. ha(-1) pyroxsulam did not cause visual injury above 10% in wheat. Pyroxsulam caused >10% injury in wheat at one location (Cascavel) when applied at 21, 30, 36 and 42 g a.i. ha(-1); however, the crop fully recovered from the injury by 28 days after application and did not have an adverse effect on wheat grain yield, regardless of the rate applied. Pyroxsulam applied at 15 or 18 g a.i. ha(-1) provided excellent control (>85%) of Lolium multiflorum in both trials.

引用

页数：6

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