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USE OF CLOMAZONE IN PLANTAIN (MUSA ACUMINATA)1

机译:使用氯咪唑在植物(凤梨)1中的使用

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Plantain (Musa spp., AAB) is a crop widely grown throughout the tropics. This crop plays a fundamental role in Puerto Rico's agricultural sector; plantain production was estimated at $69 million (Dept. of Agrie, 2011). Among the field management practices used in producing plantain, weed control is one of the most costly. If not controlled, weed competition reduces plant development, yield and fruit quality (Liu and Rodriguez, 1988). The use of herbicides in combination with hand weeding is the standard practice for weed control. The vast majority of plantain producers, many of them low-income farmers, rely only on glyphosate for controlling weeds. Glyphosate, however, is not efficient in controlling Commelina diffusa (dayflower), Ipomoea spp. (morningglory) and Parthenium hysterophorus (feverfew), weeds commonly found in plantain fields. Cloma-zone, a preemergence herbicide that controls grasses and broadleaves, is registered in Puerto Rico for use in root crops, but not for use in plantain (Lugoand Diaz, 2007). In a study, conducted by Semidey and González-Vélez (2006), clomazone alone or in mixture with glyphosate was more effective than glyphosate alone in reducing weed densities in pumpkin. The objective of our experiments was to collect the efficacy and phytotoxicity data needed for establishing a tolerance level of clomazone in plantain for a possible registration.
机译:车前草(Musa spp。,AAB)是一种在整个热带地区广泛种植的作物。该作物在波多黎各的农业部门中起着根本性的作用。车前草的产量估计为6,900万美元(Agrie部门,2011年)。在用于生产车前草的田间管理实践中,除草是最昂贵的一种。如果不加以控制,杂草竞争会降低植物的发育,产量和果实品质(Liu and Rodriguez,1988)。除草剂与人工除草结合使用是控制杂草的标准做法。绝大多数车前草生产者,其中许多是低收入农民,仅依靠草甘膦来控制杂草。然而,草甘膦不能有效地控制白花Commopina diffusa(白花),番薯属。 (晨光)和爬山虎(Feverfew),车前草田中常见的杂草。 Cloma-zone是一种控制草和阔叶的出苗前除草剂,已在波多黎各注册,可用于块根作物,但不可用于车前草(Lugoand Diaz,2007年)。在Semidey和González-Vélez(2006)进行的一项研究中,单独的广灭灭或与草甘膦混合使用的灭草灵在降低南瓜的杂草密度方面比单独的草甘膦更有效。我们实验的目的是收集在车前草中建立广灭灵耐受水平所需的功效和植物毒性数据,以进行可能的注册。

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