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- The ELT of the wheat powdery mildew is 1 83 in disease index. 此时应用粉锈宁防治，防治指标为：病情指数1.;83。
- Note: Data is four times repetitive average, using disease index to count control efficacy, adopt LSR test. （注：数据为四次重复的平均值，防治效果以病情指数计算，采用LSR测验。
- Fig. 6. Inoculum density in relation to disease index of Pestalotia rot of guava fruit. 图六、接种源浓度与番石榴疮痂病发病的关系。
- In years when stripe rust is relatively severe, all mixed combinations reduce disease index of stripe rust. 在小麦条锈病发病强度相对较高的年份，品种混种可降低条锈病病情指数。
- Because the use of N, P, and K can decrease the root rot disease index of pea, more plant ash and compost contained abundant available K must be used. 由于氮、磷、钾配施能减轻豌豆根腐病危害,所以目前应多施草木灰、堆肥等富含速效钾的肥料。
- The brassinolide used in fast growth period could decrease the wild fire disease index and content of chlorine in tobacco leaves,and im. 旺长期施用芸苔素使野火病的病情指数和氯含量有所降低,上等烟比例、均价、产量和产值均有所提高。
- This paper studied niche of mango anthracnose according to disease index of leaf and fruit about seven cultivars in Hainan province. 摘要以叶片和果实病情指数为依据，研究了海南省7个芒果品种的炭疽病生态位。
- In addition, the cultivars with high disease index of PYL symptoms also showed high disease severity of leaf-blight symptoms, but not vis versa. 自淡黄化型病株分离的菌株引起淡黄化型病徵之能力较强，且其造成之稻品种罹病度大多与其所造成之叶枯型病徵之罹病度间呈正相关，但反之非必然。
- Star Gazer,Peter Ossetia,Marshal,Sorbonne's disease index were less 15%,which had a higher degree of resistance to gray mold. 凝星、梯伯、元帅、索邦妮的病情指数在15%25以下，对百合灰霉病具有很高的抗性；
- Hoja blanca of Prunus americana incidence in total is 20%-35%,among which the disease incidence of leaves is 10%-25% with disease index 10-25 in Hunan Province. 布朗李叶枯病在湖南布朗李树上一般株发病率为20%25~35%25,叶发病率10%25~25%25,病情指数10~25;
- On the basis of the results achieved above, the models for disease index and yield loss ratio and for disease index and weight per kilograin were established. 千粒重随着病情指数的增加呈下降趋势;并在此基础上组建了病情指数与产量损失率的关系模型;病情指数与千粒重的关系模型.
- On the basis of the results mentioned above, the model for disease index and yield loss ratio, disease index and the kilograin weight was established, respectively. 千粒重随着病情指数的增加呈下降趋势，并在此基础上组建了病情指数与产量损失率的关系模型，病情指数与千粒重的关系模型。
- His disease was complicated by pneumonia. 他的病因肺炎并发症而变得更严重。
- After being inoculated of Rhizoctonia solani, the rice plants supplied with Si had significantly lower disease index with relative control effect of 25.8% compared to those deprived with Si. 施硅肥能显著降低水稻植株的纹枯病病情指数，提高其对纹枯病的抗病能力，相对防治效果达25.;8%25。
- Accumulated temperature were many before the winter and the sowing seeds-jointing stage,while the temperature was low around the jointing,which led the banded sclerotial blight disease index to high. 生产上要选用抗、耐病品种,适期播种或适期晚播,推广精量半精量播种,控制群体密度,增强个体自身的抗病力;
- What can we do to prevent the disease spreading? 我们能做什么来防止这种疾病蔓延呢？
- John put up a real fight to overcome the disease. 约翰为征服疾病，进行了不屈的斗争。
- The poor man has a serious disease of the liver. 这个可怜的人患有严重的肝病。
- He was found in incurable disease. 他被查出得了不治之症。
- Have the children been in contact with disease? 孩子们同这种疾病有过接触吗？
