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首页> 外文期刊>Plant Disease >Resistance of the Soybean Cultivar Archer to Pythium Damping-Off and Root Rot Caused by Several Pythium spp.
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Resistance of the Soybean Cultivar Archer to Pythium Damping-Off and Root Rot Caused by Several Pythium spp.

机译：大豆品种弓箭手对几种腐霉菌引起的腐霉减毒和根腐病的抗性。

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摘要

Archer, a maturity group I soybean cultivar with demonstrated flood tolerance and resistance to Pythium ultimum, was compared with Hutcheson, a widely planted maturity group V cultivar in Arkansas, for resistance to P. ultimum, P. irregulare, P. aphanidermatum, P. vexans, and group HS. Emergence and establishment assays demonstrated that Archer had greater emergence and fewer disease symptoms after 10 days for all pathogenic species of Pythium than did Hutcheson. Archer also demonstrated higher root weights and fewer disease symptoms compared with Hutcheson in assays conducted for 6 weeks. Similar results were found using two different seed lots of the cultivars, suggesting that the results were not due to seed quality differences. This study indicates that resistance in Archer to Pythium damping-off and root rot compared with Hutcheson is robust, with efficacy over a number of Pythium spp. and a range of plant developmental stages.
机译：将具有成熟的I类大豆品种Archer表现出的抗洪能力和对终极腐霉菌的抗性，与在阿肯色州广泛种植的成熟V类品种Hutcheson进行比较，证明其对P.ultimum，P.normale，P.aphanidermatum，P。具有抗性。退伍军人，和组HS。萌芽和定殖分析表明，腐霉菌的所有致病物种在10天后，阿彻的出苗率更高，病害症状也少于哈奇森。在进行了6周的分析中，与Hutcheson相比，Archer还显示出更高的根重和更少的疾病症状。使用两个不同品种的种子发现了相似的结果，这表明结果并非由于种子质量差异所致。这项研究表明，与Hutcheson相比，弓箭手对腐霉菌的衰减和根腐病具有很强的抵抗力，在许多腐霉菌属中都具有功效。以及一系列植物发育阶段。

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