%0 Journal Article
%T A PRELIMINARY STUDY OF EFFECT OF SOIL WATER DEFICIT ON THE PHOTOSYNTHETIC CHARACTERISTIC OF FABA VEAN (VICIA FABA)<br>水分亏缺对蚕豆光合特性影响的初步研究
%A Xia Ming-zhong
%A <br>夏明忠
%J 植物生态学报
%D 1990
%I Editorial Office of Chinese Journal of Plant Ecology
%X 本文报道了蚕豆现蕾至饱荚期不同时间土壤水分亏缺情况下的光合特性、光合产量及蚕豆水分亏缺敏感期。蚕豆现蕾后给予土壤干旱处理。光合速率、叶绿素含量、叶面积、气孔开度、生物产量及籽粒产量下降,但气孔密度和呼吸速率增加。水分亏缺使叶片光饱和点由60kLx降至30kLx,气孔开度日变化呈单峰(9—11时)曲线。始荚至盛荚朋对土壤干旱最敏感,此期是蚕豆灌水的关键时期。
%K Vicia faba
%K Soil drought
%K photosynthetic characteristic<br>蚕豆
%K 干旱
%K 光合特性
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=2F2173CCFF292BF447DC2681EA33BBAE&aid=B913DEA2CEB098F37418CE7028CF4D97&yid=8D39DA2CB9F38FD0&vid=F3583C8E78166B9E&iid=38B194292C032A66&sid=C1B34927D429E92F&eid=11CEECA6DA9E4AC5&journal_id=1005-264X&journal_name=植物生态学报&referenced_num=0&reference_num=0