Kocide 101®对菜豆根瘤菌共生的影响

IF 1.7 4区农林科学 Q2 AGRONOMY

Acta Agriculturae Scandinavica Section B-Soil and Plant Science Pub Date : 1998-09-01 DOI:10.1080/09064719809362496

F. Baijukya, E. Semu

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引用次数: 5

摘要

采用温室试验研究了铜杀菌剂Kocide 101及其在土壤中的残留量对菜豆生长、结瘤和固氮的影响。使用的土壤是一种沙质粘土壤土，被归类为典型的蔷薇。以大豆品种sua90为试验作物。采用大豆根瘤菌CIAT 899、PV和一株本地分离菌株。按推荐用量(相当于1.7 mg kg - 1土壤)施用Kocide 101对豆类植物的生长、结瘤或固氮没有显著的负面影响。高浓度Kocide 101显著(P < 0.05)降低了植株生长、结瘤和固氮。用“本地分离株”接种的豆科植物;根瘤菌的干物质质量、根瘤数和根瘤干质量最高，固氮能力也较强。然后接种PV，菌株，最后接种CIAT 899。豆科植物的生长和结瘤仍然受到Kocide的限制。

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Effects of Kocide 101® on the bean (Phaseolus vulgaris L.)‐Rhizobium symbiosis

A glasshouse study was undertaken to investigate the effects of the copper fungicide Kocide 101 and its residues in soil on the growth, nodulation and nitrogen fixation of beans (Phaseolus vulgaris L.). The soil used was a sandy clay loam classified as Typic Rhodustalf. The bean variety SUA 90 was used as test crop. The bean rhizobia strains CIAT 899, PV, and a local isolate were used. Kocide 101 applied at the recommended rate (equivalent to 1.7 mg kg‐1 soil) had no significant negative effects on the growth, nodulation or nitrogen fixation of bean plants. Higher levels of Kocide 101 significantly (P < 0.05) reduced plant growth, nodulation and nitrogen fixation. The bean plants inoculated with the “local isolate”; rhizobia had the highest dry matter weights, nodule numbers and nodule dry weights, and also had more N fixation. They were followed by those inoculated with the PV, strain and, lastly, those inoculated with CIAT 899. The growth and nodulation of bean plants were still curtailed by the Kocide ...

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来源期刊

Acta Agriculturae Scandinavica Section B-Soil and Plant Science 农林科学-农艺学

CiteScore

4.40

自引率

0.00%

发文量

审稿时长

2.3 months

期刊介绍： Acta Agriculturæ Scandinavica Section B publishes original research in applied soil and plant science with special attention given to to crop production in agri- and horticultural systems. We welcome manuscripts dealing with: Climate smart and sustainable crop production systems Water and nutrient efficiency Soil conservation and productivity Precise agriculture systems Applications of bio- and nanotechnology Digitalisation and robotics Soil-plant interactions Acta Agriculturæ Scandinavica, Section B – Soil & Plant Science forms part of a series of titles published on behalf of the Nordic Association of Agricultural Science (NJF). The series also includes Section A - Animal Science .