与大麦中氰苷和谷草胺含量相关的稻瘟病菌沉降行为

IF 1.7 4区 农林科学 Q2 AGRONOMY Acta Agriculturae Scandinavica Section B-Soil and Plant Science Pub Date : 1998-06-01 DOI:10.1080/09064719809362487
K. Forslund, J. Pettersson, E. Ahmed, L. Jonsson
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引用次数: 10

摘要

为了研究大麦中氰苷或谷草胺的含量是否会影响蚜虫对寄主植物的偏好,我们在不同的大麦品种上进行了两种选择沉降试验,并对这些化合物的含量进行了研究。59个品种大麦芽中氰苷总浓度在20 ~ 1200 nmol (g fw)−1之间变化。在59个品种中,选择6个高[>700 nmol (g fw)−1]、6个中等[450-650 nmol (g fw)−1]和6个低[<200 nmol (g fw)−1]的品种进行青花苜蓿的偏好试验。在这18个选择的品种中测定了谷氨酰胺的含量,其含量一般为低(接近0)或高(约2 μmol (g fw)−1)。氰苷与谷草胺含量无相关性。在谷氨酰胺含量高或低的组合中,蚜虫对氰苷含量高、中、低的品种没有区别。
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Settling behaviour of Rhopalosiphum padi (L.) in relation to cyanogenic glycosides and gramine contents in barley
In order to examine whether the content of cyanogenic glycosides or gramine in barley affects the host plant preference of the aphid Rhopalosiphum padi (L.), two‐choice settling tests were performed with R. padi on different barley varieties with varying amounts of these compounds. The total concentration of cyanogenic glycosides in barley shoots, as determined in 59 varieties, varied between 20 and 1200 nmol (g fw)−1. Of the 59 varieties, six with high [>700 nmol (g fw)−1], six with intermediate [450–650 nmol (g fw)−1] and six with low [<200 nmol (g fw)‐l] content of cyanogenic glycosides were chosen for preference tests with R. padi. The content of gramine was determined in these 18 chosen varieties and was generally either low (close to 0) or high [about 2 μmol (g fw)−1]. There was no correlation between cyanogenic glycoside and gramine content. The aphids did not discriminate between varieties with high, intermediate or low content of cyanogenic glycosides in combinations with high or low gramine cont...
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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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