光合作用
亚热带
热带
作物
农学
环境科学
氮气
生物
植物
生态学
化学
有机化学
作者
Stephen P. Long,Ashley K. Spence
标识
DOI:10.1146/annurev-arplant-050312-120033
摘要
C(4) photosynthesis under optimal conditions enables higher-efficiency use of light, water, and nitrogen than the C(3) form used by many crops. It is associated with the most productive terrestrial plants and crops but is largely limited to the tropics and subtropics. It has been argued that the C(4) photosynthetic apparatus is inherently limited to warm environments. A small group of C(4) species appear to have overcome this, and in contrast to the major C(4) crop, maize, these species are able to acclimate their photosynthetic apparatus to chilling conditions. This review explores the mechanisms underlying this difference as well as the potential of introducing these changes into maize and other warm-climate C(4) crops.
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