全部

1·A bacterial leaf spot on Clausena lansium(Lour) Skeels was observed.

在黄皮树叶片发生一种细菌性叶斑病。

2·Under the treatments, the occurrence time of septoria leaf spot was delayed 15 days.

经治疗后，黄斑病的发生时间推迟了15天。

3·The symptoms of leaf spot of Phoenix canariensis were observed.

对加那利海枣叶斑病的症状进行了观察。

4·The gray leaf spot(GLS) is a significant leaf disease in maize.

玉米灰斑病是严重威胁玉米生产的叶部病害。

5·The variety, Jidan180, is of a better resistance to maize head smut and leaf spot.

对丝黑穗病及叶斑病抗性均较好的品种为“吉单180”。

6·The variety was middle-resistant to leaf spot, tolerant to root rot and storage rot.

该品种中抗甜菜褐斑病，耐根腐病和窖腐病，易于收获。

7·Our research is about blueberry leaf spot disease in Dalian, Liaoning province of China.

本文对发生在辽东地区的越橘叶斑病进行了相关研究。

8·The control effect of 25% Amistar SC on apple Alternaria leaf spot were tested in field.

通过对2 5 %阿米西达SC防治苹果斑点落叶病进行田间药效试验。

9·The results showed that leaf spot of P. canariensis mainly occurred on leaves and petioles.

结果表明，加那利海枣叶斑病主要发生在叶片和叶柄。

10·The leaf spot resistance and the root rot tolerance are higher, the seedling blight is lower.

抗褐斑病、耐根腐病、苗期立枯病发病率低，适应性强。

叶斑病

1·Disease: Aphids, mealy bugs, powdery mildew, fungal leaf spot, stem and root rot if over watered.

病虫害：蚜虫，介壳虫，白粉病，真菌叶斑病，如果超过浇水可患茎、根腐病。