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1)  foliar marking of smog
烟斑
2)  dappled tobacco
斑纹烟
3)  tobacco weather fleck
烟草气候斑
1.
The mixture of fungicides and plant growth regulator was used to control tobacco weather fleck,and the test results showed that the mixture of 70% thiophanate-methyl WP and 0.
利用杀菌剂和植物生长调节剂混配防治烟草气候斑,试验结果表明70%甲基托布津WP和0。
2.
A study was conducted to determine the physiological factors and environment factors of tobacco weather fleck occurring by natural and control conditions, and to determine the genetic model by a 1/2P*(P+1) diallel cross with 6 parents.
烟草气候斑点病是以臭氧为主的大气污染所致的一种非浸染性叶斑病害,对烟叶的产量和质量都有很大影响,20世纪80年代以来逐渐成为我国烟叶生产的主要病害之一。
3.
Under controlled conditions,tobacco weather fleck was induced by ozone combined with low temperatures of 10 ℃ after spraying thiophanate-methyl and brassinolide chemicals to investigate the control efficacy,chlorophyll content,relative conductivity,POD activity,catalase(CAT) activity,superoxide dismutase(SOD) activity,and ascorbate peroxidase(APX) activity.
在控制条件下,喷施甲基托布津和芸苔素内酯处理后,在低温加O3胁迫下诱发烟草气候斑,调查气候斑发生情况,同时测定叶片中叶绿素含量、相对电导率、过氧化物酶(POD)活性、过氧化氢酶(CAT)活性、超氧化物歧化酶(SOD)活性、抗坏血酸过氧化物酶(APX)活性等生理指标。
4)  Tobacco target spot
烟草靶斑病
1.
Tobacco target spot is a tobacco disease caused by Thanatephorus cucumeris(Frank) Donk.
用"嘧肽菌净"对烟草靶斑病进行了室内抑菌和田间防效试验。
5)  Samsun NN
枯斑三生烟
1.
The effects of TMV innoculation to the distribution of Ca~(2+) in tobacco(Samsun NN) leaves;
TMV侵染对枯斑三生烟叶片中Ca~(2+)分布的影响
6)  Ephestia elutella
烟草粉斑螟
1.
Biological character and damage of Ephestia elutella (Hübner);
烟草粉斑螟的生物学特性及危害损失研究
补充资料:烟斑
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性质:植物叶片呈斑点状黄白化甚至坏死,是急性伤害的一种症状。二氧化硫可使同化作用旺盛的叶脉间发生烟斑,例如浓度2.5×10-6的二氧化硫,接触时间2h,叶片可呈褐色的烟斑,这是因为二氧化硫对碳的同化作用有阻碍。另外臭氧和氟化氢都能使叶片产生烟斑。在大气污染伤害的指标中,以烟斑为最有效。

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