Carbonic anhydrase, photosynthesis, and seed yield in mustard plants treated with phytohormones

被引：50

作者：

Hayat, S ^{[1
]}

Ahmad, A ^{[1
]}

Mobin, M ^{[1
]}

Fariduddin, Q ^{[1
]}

Azam, ZM ^{[1
]}

机构：

[1] Aligarh Muslim Univ, Dept Bot, Plant Physiol Sect, Aligarh 202002, Uttar Pradesh, India

来源：

PHOTOSYNTHETICA | 2001年 / 39卷 / 01期

关键词：

abscisic acid; Brassica juncea L; chlorophyll content; gibberellic acid; indole-3-yl-acetic acid; kinetin; net photosynthetic rate; pod and seed number; seed mass and yield;

D O I：

10.1023/A:1012456205819

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

The leaves of 30-d-old plants of Brassica juncea Czern & Coss cv. Varuna were sprayed with 10(-6) M aqueous solutions of indole-3-yl-acetic acid (IAA), gibberellic acid (GA(3)), kinetin (KIN), and abscisic acid (ABA) or 10(-8) M of 28-homobrassinolide (HBR). All the phytohormones, except ABA, improved the vegetative growth and seed yield at harvest, compared with those sprayed with deionised water (control). HBR was most prominent in its effect, generating 32, 30, 36, 70, 25, and 29 % higher values for dry mass, chlorophyll content, carbonic anhydrase (E.C. 4.2.1.1) activity, and net photosynthetic rate in 60-d-old plants, pods per plant, and seed yield at harvest, over the control, respectively. The order of response to various hormones was HBR > GA(3) > IAA > KIN > control > ABA.

引用

页码：111 / 114

页数：4

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