Origined from South America, planted in temperate zone and tropical belt in the world.
属茄科烟草属,原产南美洲,现广植于全世界温带和热带地区。
Photoperiod sensitivity was the major obstacle of using tropical and sub-tropical germplasm in temperate zone.
光周期敏感性是热带、亚热带玉米种质在温带地区应用的主要障碍。
The distribution of Adelgidae is coincident with their host plants, mainly in temperate zone and sub-tropical mountainous areas of the Northern Hemisphere.
球蚜的分布与寄主植物的分布相一致,主要是北半球温带和亚热带高山。
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