Management of Blackleg Disease in Canola in Australia PDF Download
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Author: Stephen Marcroft
Publisher:
ISBN:
Category : Canola
Languages : en
Pages : 280
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Book Description
Author: Stephen Marcroft
Publisher:
ISBN:
Category : Canola
Languages : en
Pages : 280
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 4
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Author: Chang Liu
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Blackleg, caused by the fungus Leptosphaeria maculans, is one of the most important diseases on canola in western Canada. Severe epidemics can cause substantial losses of seed yields and quality. Fungicide application is an important disease management strategy, but little is known about the efficacy of fungicides against blackleg and possible impact on fungicide sensitivity of L. maculans after repeated uses. The results of present study showed that fungicides generally reduced the blackleg incidence and severity on the susceptible canola cultivar, and the QoI fungicides were more effective than the DMI fungicides. Early fungicide application at about 2-4 leaf stage provided a small yield improvement on the susceptible cultivar. Typical point mutation was not found in any of these QoI-insensitive L. maculans field isolates and polymorphism correlating with the QoI-insensitive phenotype was not observed either in the sequence of cytochrome b gene among the L. maculans isolates.
Author: Andrew Dennis Wherrett
Publisher:
ISBN:
Category : Ascospores
Languages : en
Pages : 258
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Author:
Publisher:
ISBN:
Category : Canola
Languages : en
Pages : 1
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Author: Tony Fischer
Publisher:
ISBN: 9781925133066
Category : Agricultural innovations
Languages : en
Pages : 634
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Author: B.D.L. Fitt
Publisher: Springer Science & Business Media
ISBN: 1402045255
Category : Science
Languages : en
Pages : 125
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Book Description
Control of phoma stem canker in oil rapeseed crops typically depends on cultivars resistant to L. Maculans, the virus that causes it. Recently, virus populations have overcome resistance, causing serious canker outbreaks in Australia and Europe. There is an urgent need to find sources of resistance to L. maculans. This book synthesizes studies in management of resistance genes control L. maculans, and will stimulate further research on this important model system.
Author: Sven Bode Andersen
Publisher: BoD – Books on Demand
ISBN: 953511090X
Category : Medical
Languages : en
Pages : 302
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Book Description
Breeding of crop plants to make them more adapted to human agricultural systems has been on-going during domestication the last 10 000 years. However, only recently with the invention of the Mendelian principles of genetics and the subsequent development of quantitative genetics during the twentieth century has such genetic crop improvement become based on a general theory. During the last 50 years plant breeding has entered a molecular era based on molecular tools to analyse DNA, RNA and proteins and associate such molecular results with plant phenotype. These marker trait associations develop fast to enable more efficient breeding. However, they still leave a major part of breeding to be performed through selection of phenotypes using quantitative genetic tools. The ten chapters of this book illustrate this development.
Author: Gadi V P Reddy
Publisher: CABI
ISBN: 1780648200
Category : Technology & Engineering
Languages : en
Pages : 410
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Book Description
This book comprehensively reviews current pest management practices and explores novel integrated pest management strategies in Brassica oilseed crops. It is essential reading for pest management practitioners and researchers working on pest management in canola and other Brassica crops worldwide. Canola, mustard, camelina and crambe are the most important oilseed crops in the world. Canola is the second largest oilseed crop in the world providing 13% of the world's supply. Seeds of these species commonly contain 40% or more oil and produce meals with 35 to 40% protein. However, its production has declined significantly in recent years due to insect pest problems. The canola pest complexes are responsible for high insecticide applications on canola. Many growers rely on calendar-based spraying schedules for insecticide applications. The diamondback moth Plutella xylostella and flea beetles Phyllotreta spp. (P. cruciferae and P. striolata)cause serious damage to canola. In the Northern Great Plains, USA, for instance, P. xylostella is now recorded everywhere that canola is grown. Severe damage to canola plants can be caused by overwintering populations of flea beetles feeding on newly emerged seedlings. Cabbage seed pod weevil (Ceutorhynchus obstrictus), swede midge (Contarinia nasturtii), and tarnished plant bug (Lygus lineolaris) are also severe pests on canola. Minor pests include aphids (cabbage aphid, Brevicoryne brassicae and turnip aphid, Hyadaphis erysimi) and grasshopper, Melanoplus sanguinipes.
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 428
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Book Description
