Screening of field performance of entomopathogenic fungi and nematodes against cabbage root flies (Delia radicum l. and d. floralis (fall.); Diptera, Anthomyiidae)

IF 1.7 4区 农林科学 Q2 AGRONOMY Acta Agriculturae Scandinavica Section B-Soil and Plant Science Pub Date : 1999-01-01 DOI:10.1080/09064719909362513
I. Vänninen, H. Hokkanen, J. Tyni-Juslin
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引用次数: 35

Abstract

Finnish isolates of Beauveria bassiana (8 isolates), Metarhizium anisopliae (7), Tolypocladium sp. (2), Paecilomyces farinosus (2), P. fumosoroseus (1), Steinernema feltiae (3) and Bacillus thuringiensis ('Muscabac') were tested for efficacy against mixed populations of Delia radicum and D. floralis under field conditions in 1986–90. All pathogens were applied preventatively, the fungi as aqueous conidial or mycelial suspensions, dry conidia or dry mycelial powder. In only two of the nine experiments did B. bassiana or M. anisopliae give some control. In 1986, B. bassiana SF85–2 and Tolypocladium sp. SF85–4 (both at rate 1.2 x 109 conidia plant‐ 1), and ‘Muscabac’ (25 g 1−1, 1 dl plant−1) reduced the number of pupae by 80%, 60% and 50%, respectively, as compared with untreated and chemical (isophenphos) controls. In 1990, M. anisopliae SF86–39 at rate 1.6 x 109conidia plant−1 and 1.5 x 108 CFU plant−1 and S. feltiae SFS‐22 (35000 plant−1), increased the yield of cauliflower 2.2, 1.8, and 2.3‐fold, respect...
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昆虫病原真菌和线虫对白菜根蝇(Delia radicum l.和d. floralis (fall.))田间性能的筛选双翅目,Anthomyiidae)
1986 - 1990年,在田间条件下,对芬兰的球孢白僵菌(8株)、绿僵菌(7株)、绿僵菌(2株)、粉拟青霉(2株)、烟熏假单胞菌(1株)、felinnema feltiae(3株)和苏云金芽孢杆菌(‘Muscabac’)等菌株进行了防治根腐心菌和花芽孢杆菌混合种群的效果试验。所有病原菌均预防性施用,真菌为水分生孢子或菌丝悬浮液,干分生孢子或干菌丝粉。在9个实验中,只有2个实验中球孢芽胞杆菌或金龟子芽胞杆菌起到了一定的控制作用。1986年,与未经处理和化学(异酚磷)对照相比,球孢白僵菌SF85-2和霉霉霉sp. SF85-4(均为1.2 × 109个分生孢子植物- 1)和Muscabac (25 g 1 - 1,1 dl植物- 1)分别减少了80%、60%和50%的蛹数。1990年,M. anisopliae SF86-39和S. feltiae SFS - 22分别以1.6 × 109个分生孢子植物- 1和1.5 × 108个CFU植物- 1的速率和35000个植物- 1的速率分别使花椰菜产量增加2.2倍、1.8倍和2.3倍。
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来源期刊
CiteScore
4.40
自引率
0.00%
发文量
56
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 .
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