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首页> 外文会议>Induced mutations and molecular techniques for crop improvement >IMPROVEMENT IN RICE RESISTANCE TO PYRICULARIA ORYZAE THROUGH MUTAGENESIS
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IMPROVEMENT IN RICE RESISTANCE TO PYRICULARIA ORYZAE THROUGH MUTAGENESIS

机译：通过诱变提高稻瘟病菌的水稻抗性

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Rice (Oryza sativa L.) is the staple diet of Costa Ricans. Normally, people eat rice at least twice daily. This cereal is very important both for production and consumption. The sowing area in Costa Rica is approximately 70 000 ha/a.rnThe rice area is characterized by high temperatures and high humidity, which are also the conditions required for the high inoculation of pathogens. Of the diseases that prevail under such conditions, blast disease, caused by Pyricularia oryzae, is one of the most severe, resulting in yield losses of up to 90% when attacks are severe.rnUse of induced mutations in cereals has been shown to be an excellent tool, often using gamma rays as the mutagen agent for crop improvement. The main objective of our work was to induce resistance to blast disease in the commercial variety CR-1113, which is the most important cultivar in Costa Rica.
机译：大米（Oryza sativa L.）是哥斯达黎加人的主要饮食。通常，人们每天至少吃两次米。这种谷物对于生产和消费都非常重要。哥斯达黎加的播种面积约为70 000公顷/年。稻米区域的特点是高温高湿，这也是病原体高接种的条件。在这种情况下普遍存在的疾病中，由稻瘟病菌引起的稻瘟病是最严重的疾病之一，严重的侵袭会导致高达90％的产量损失。出色的工具，通常使用伽马射线作为诱变剂来改善作物。我们工作的主要目的是在商业品种CR-1113中诱导对稻瘟病的抗性，该品种是哥斯达黎加最重要的品种。

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