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首页> 外文期刊>Journal of Seed Science >Physiological performance during storage of corn seed treated with insecticides and fungicide
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Physiological performance during storage of corn seed treated with insecticides and fungicide

机译：用杀虫剂和杀真菌剂处理的玉米种子在贮藏期间的生理性能

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The goal of storage is to maintain the characteristics that seeds have immediately after processing; however, when this is over longer periods, storage may cause loss in quality. The aim of this study was to evaluate the effect of treatment with insecticide and fungicide on corn seeds harvested in kernel form and in the ear over the time of storage in two environments for 360 days. The seeds were subjected to the following treatments: T1 - control; T2 - Deltamethrin + Pirimiphos-methyl + Fludioxonil; T3 - Deltamethrin + Pirimiphos-methyl + Fludioxonil + Thiamethoxam; T4 - Thiamethoxam, and T5 - Fenitrothion. They were then placed in paper bags and stored in two environments, in a cold room with an average temperature of 16 oC and RH of 60% and in a non-controlled environment (an average room temperature of 25 oC and RH of 70%) located in the municipality of Pelotas, RS, Brazil. Every four months (0, 120, 240 and 360 days), seed germination and vigor was evaluated by the first count of germination test and cold test. Reduction in germination and vigor of corn seeds, conditioned by the insecticides and fungicide used in the seed treatment, vary according to the product and the time over which the seeds remain stored. The seeds harvested in the ear show lower loss of physiological quality than those harvested in kernel form.
机译：储存的目的是保持种子在加工后立即具有的特性。但是，如果存放时间较长，可能会导致质量下降。这项研究的目的是评估在两种环境中储存360天后，用杀虫剂和杀真菌剂处理对以核仁形式和在耳朵中收获的玉米种子的影响。将种子进行以下处理：T1-对照; T 2-溴氰菊酯+嘧啶磷甲基+氟二恶唑; T3-溴氰菊酯+吡虫啉-甲基+氟地肟+噻虫嗪; T4-噻虫嗪，T5-灭硫磷。然后将它们放在纸袋中，并存储在两种环境中：平均温度为16 oC和相对湿度为60％的冷藏室和非受控环境（平均室温为25 oC和相对湿度为70％）位于巴西RS Pelotas市。每四个月（0、120、240和360天），通过第一次发芽试验和冷试验来评估种子的发芽和活力。玉米种子发芽和活力的降低受种子处理中使用的杀虫剂和杀真菌剂的调节，随产品和种子保存时间的不同而不同。与以籽粒形式收获的种子相比，从耳朵收获的种子显示出较低的生理品质损失。

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