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首页> 外文期刊>The Journal of Horticultural Science & Biotechnology >Competition of redroot pigweed (Amaranthus retroflexus L.) and nettle-leaved goosefoot (Chenopodium murale L.) with tomato (Lycopersicon esculentum Mill.) cultivars
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Competition of redroot pigweed (Amaranthus retroflexus L.) and nettle-leaved goosefoot (Chenopodium murale L.) with tomato (Lycopersicon esculentum Mill.) cultivars

机译：Redroot Pigweed（Amaranthus Retroflexus L.）的竞争和荨麻叶鹅脚（Chenopodium Murale L.）用番茄（Lycopersicon Esculentum Mill。）品种

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摘要

Competition of 31 tomato (Lycopersicon esculentum Mill) cultivars with Amaranthus retroflexus and Chenopodium murale was investigated at different growing periods under natural conditions, University of Jordan, during 2008-2010. Cultivars were varied in their competitiveness with weeds; some tolerated while others were highly susceptible and exhibited great growth (shoot dry weight) and fruit yield reductions. A. retroflexus was more competitive than C. murale at most growing periods. Weeds attained high growth in the spring and summer but were much reduced in autumn. A. retroflexus requires relatively higher temperature for growth and competitiveness than C. murale. Gardners Delight and Special Back cultivars showed tolerance and their growth and yield either increased or least reduced in competition with weeds. In contrast, growth of First in the Field, Back More, Orient and Tiny Tim was reduced by 65-75% of their controls. Highest growth of weeds was in competition with The Amateur and lowest with First in the field and Back More. Fruit yield of all cultivars was reduced in competition, especially with A. retroflexus. Reduction was up to 100% in the spring. Both weeds reduced growth of cultivars most during the spring while A. reteroflexus eliminated certain cultivars.
机译：31种番茄（Lycopersicon Esculentum Mill）的竞争与Amaranthus Retroflexus和Chenopopodium Murale的不同，在Jordan大学，在2008 - 2010年期间，在自然条件下的不同生长期间进行了调查。品种与杂草的竞争力变化;有些耐受的，而其他耐受性高度敏感，并且表现出巨大的生长（射击干重）和果实产量减少。 A. Retroflex在大多数增长期间比C. Murale更竞争。杂草在春夏达到高增长，但秋季较低。 A. Retroflexus需要比C. Mulale的生长和竞争力更高的温度。加德纳崇拜和特殊的背部展示耐受性及其增长，并在与杂草竞争中增加或最少减少的产量。相比之下，首先在该领域的增长，回到更多，东方和微小时间的控制减少了65-75％。杂草的最高增长与业余竞争中，最低在现场，并回归更多。竞争中，所有品种的果实产量降低，特别是用A.逆转弯。春季减少达100％。两种杂草在春季期间大多数繁殖，而A. Reteroflexus消除了某些品种。

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