The LI_6400 Portable photosynthesis of LI_COR was used to study the photosynthetic characteristics in leaves of Gerbera hybrida in greenhouses.
运用美国LI＿COR公司制造的LI＿6400便携式光合作用测定系统，研究了非洲菊的光合特性。
However, Gerbera is vulnerable to viruses, microorganisms and pests, and it is sensitive to heat or cold, which greatly limits its wide application to the market.
由于各种病毒、微生物和害虫的侵害以及本身的耐热性、耐冷性不高，使非洲菊的品质提高受到很大限制。
Colorful gerbera daisies highlight the rich coloration of a spicebush swallowtail butterfly.
大自然的图案：蝴蝶。华美的非洲菊加亮这富有的着色的洋腊梅燕尾蝶。
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