芽头

1

1~（-1）为最佳，分化苗多、芽头密度高、叶色绿；

1-1 , which induced many buds , high bud density and green leaf .
2

外形：芽头肥壮，紧实挺直，芽身金黄，满披银毫。

Shape : Strong and head , firm and straight , yellow bud body , full of silver sharp ends .
3

但在芽头、嫩茎和第4叶上，只有少数供试茶蚜有这样的刺吸活动。

While there were only a few aphids on bud tip , 4th leaf and tender stem possessed El and E2 actions .
4

对四倍体盾叶薯蓣和二倍体盾叶薯蓣进行了单株产量、薯蓣皂甙元含量、芽头数等方面的比较研究。

Contrast researches on individual productions , contents of dioscorea and bud numbers of rhizome of tetraploid and diploid Dioscorea Zingiberensis Wright were made .