Download e-book for iPad: Biological Management of Diseases of Crops: Volume 2: by P. Narayanasamy

By P. Narayanasamy

ISBN-10: 940076376X

ISBN-13: 9789400763760

ISBN-10: 9400763778

ISBN-13: 9789400763777

Biological administration of illnesses of vegetation is encouraged by way of the character of interactions among the pathogens and different organisms and the vegetation. as a result of improvement of resistance in pathogens to fungicides and bactericides, decision of compatibility of biotic biocontrol brokers with chemical substances is vital for choosing lines of biocontrol brokers (BCAs) displaying resistance to chemical substances to successfully limit use of the chemical compounds. Microbial plant pathogens and the antagonists found in the soil and at the plant surfaces are prompted via numerous cultural practices. it truly is attainable to minimize affliction prevalence and depth through crop sanitation and utilizing acceptable rotational plants. software of actual options regarding using warmth, solarization and irradiation has capability to minimize the pathogen inhabitants or weaken the opportunity of pathogens found in the seed, planting fabrics and soil.

Show description

Read Online or Download Biological Management of Diseases of Crops: Volume 2: Integration of Biological Control Strategies with Crop Disease Management Systems PDF

Similar agriculture books

Download e-book for kindle: Soil Chemistry by Hinrich L. Bohn, George A. O'Connor, Brian L. McNeal

Entire, up to date assurance of the fundamentals of soil chemistry. even though just a meter intensive over the earth's floor, soil is vital to maintaining life-affecting air and water caliber, the expansion of vegetation and plants, and the healthiness of the full planet. The advanced interaction between natural and inorganic solids, air, water, microorganisms, and plant roots in soil is the topic of Soil Chemistry, a reference pivotal to knowing soil approaches and difficulties.

Get World Agriculture and the Environment: A PDF

Global Agriculture and the surroundings provides a distinct evaluation of agricultural commodity construction and the environmental difficulties it explanations, besides prescriptions for expanding potency and lowering harm to common structures. Drawing on his vast commute and examine in agricultural areas worldwide, and utilising records from a variety of authoritative assets together with the United international locations foodstuff and Agriculture association, the writer examines twenty of the world’s significant vegetation, together with red meat, espresso, corn, rice, rubber, shrimp, sorghum, tea, and tobacco.

Get The potential of U.S. grazing lands to sequester carbon and PDF

Grazing lands symbolize the most important and such a lot assorted land resource-taking up over part the earth's land floor. the big sector grazing land occupies, its variety of climates and soils, and the capability to enhance its use and productiveness all give a contribution to its significance for sequestering C and mitigating the greenhouse impression and different stipulations caused through weather switch.

New PDF release: Agriculture at a Crossroads: The Global Report

The overseas evaluate of Agricultural wisdom, technological know-how, and know-how for improvement (IAASTD) appears to be like realistically at how shall we successfully use agriculture/AKST to aid us meet improvement and sustainability ambitions. An extraordinary three-year collaborative attempt, the IAASTD concerned greater than four hundred authors in a hundred and ten nations and value greater than $11 million.

Extra info for Biological Management of Diseases of Crops: Volume 2: Integration of Biological Control Strategies with Crop Disease Management Systems

Sample text

1994). Organic mulches may introduce both beneficial and harmful microbes into the soil. Most of the isolates of actinomycetes isolated from organic mulch used in avocado plantations in western Australia were inhibitory to Phytophthora cinnamomi. But some isolates were harmful to plant growth also (You et al. 1996). Wood-based mulches (cellulose-rich) have been used in avocado production and these mulches were evaluated for their efficacy in reducing Phytophthora root rot disease caused by P. cinnamomi.

A differential effect of nitrogen form on pH was considered as a major mechanism of action for suppression of soilborne pathogens (Duffy and Défago 1999). Phosphate fertilization favors plant growth by promoting rapid root development. Enhancement of levels of resistance to diseases in crops receiving adequate phosphotic fertilizers has also been observed. Wheat take-all disease caused by Gaeumannomyces graminis var. tritici was found to be favored by phosphorus deficiency. The onset and severity of the disease was appreciably reduced by repeated application of phosphates in the long-term field experiments at Rothamsted, England (Mattingly and Slope 1977).

2005). However, the possibility of using stubble and debris mulches, leading to higher level of incidence of fungal, bacterial and viral diseases has also been indicated by many investigations. Diseases such as wheat blotch (Septoria nodorum and S. tritici), barley leaf blotch (Rhynchosporium secalis), maize stalk rot (Diplodia zeae and Gibberella zeae), bacterial wilt (Clavibacter michiganensis subsp. nebraskensis) and sunflower leaf spot (Alternaria helianthii). Many viral and spiroplasmal diseases are spread by vectors that may acquire them from infected stubbles left in the field, due to adoption of no-tillage practice where stubbles of previous crop are left undisturbed.

Download PDF sample

Biological Management of Diseases of Crops: Volume 2: Integration of Biological Control Strategies with Crop Disease Management Systems by P. Narayanasamy


by Jason
4.4

Rated 4.42 of 5 – based on 35 votes