...准等级符号说明 Table 2 Key to Brazil official Standard Grade symbols for flue-cured tobacco 部位 颜色 质量 X=下部叶(Lugs) O=桔黄(Orange) 1=优(First) C=腰叶(Cutters) L=柠檬黄(Lemon) 2=好(Second) B=上二棚(Leaf) T=顶叶(Tips) R=红棕/棕褐(Brown/M...
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因此，下部叶气孔密度和气孔导度可以作为抗病育种的选择指标。
Therefore, it is proposed that stoma density and stomatal conductance of the lower leaves on tobacco plant be used as a selection marker for disease-resistance breeding.
施硫增加，各叶位全硫含量均显著增加，下部叶片明显累积较多的硫。
The sulphur concentrations in all leaves increased with the increasing of sulphur application rate and more sulphur accumulated in lower leaf was found.
下部叶，以南阳和三门峡的烟叶与进口烟叶的关联度较大，综合性状较好。
The lower leaves of Nanyang and Sanmenxia tobacco had bigger degree of relation with that of imported tobacco, with better comprehensive properties.
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