Mint Growing In Northern Indiana

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Mint Growing In Northern Indiana

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Author : Charles Bouett Sayre
language : en
Publisher:
Release Date : 1917

Mint Growing In Northern Indiana written by Charles Bouett Sayre and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1917 with Agriculture categories.

Mint Culture In Northern Indiana

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Author : Nathan Kent Ellis
language : en
Publisher:
Release Date : 1937

Mint Culture In Northern Indiana written by Nathan Kent Ellis and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1937 with Agriculture categories.

An Economic Analysis Of The Production Of Peppermint And Spearmint Oils In Indiana

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Author : Mervin George Smith
language : en
Publisher:
Release Date : 1941

An Economic Analysis Of The Production Of Peppermint And Spearmint Oils In Indiana written by Mervin George Smith and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1941 with Peppermint oil categories.

Indiana

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Author : Best Books on
language : en
Publisher: Best Books on
Release Date : 1941

Indiana written by Best Books on and has been published by Best Books on this book supported file pdf, txt, epub, kindle and other format this book has been release on 1941 with categories.

Effects Of The Northern Root Knot Nematode Meloidogyne Hapla Chitwood 1949 On Mitcham Peppermint Mentha Piperita L And Scotch Spearmint Mentha Cardiaca Baker

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Author : Hassan Eshtiaghi
language : en
Publisher:
Release Date : 1974

Effects Of The Northern Root Knot Nematode Meloidogyne Hapla Chitwood 1949 On Mitcham Peppermint Mentha Piperita L And Scotch Spearmint Mentha Cardiaca Baker written by Hassan Eshtiaghi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Root-knot categories.

The northern root-knot nematode (Meloidogyne hapla Chitwood, 1949) is a widespread pest on many plants in temperate zones such as the Pacific Northwest (U.S.A.) Peppermint and spearmint are two major agricultural crops in Oregon and Washington with a combined annual acreage of 50, 000 to 55, 000 and an oil value of about 25 million dollars. Both plants are attacked by a number of natural enemies including some species of plant parasitic nematodes with M. hapla considered to be most destructive. A pathogenicity study which included fifteen different isolates of M. hapla, revealed that peppermint was a more susceptible host plant than spearmint. These nematode populations were collected from four major mint growing areas of the United States (Idaho, Indiana, Oregon and Washington) with most populations obtained from Oregon and Washington. Usually no symptoms appear on the above ground parts of root-knot nematode infected plants. Therefore, it is possible that farmers in these areas may overlook infected mint planting stock and introduce the pest into new lands. Spread of the nematode could cause serious problems in mint and many other agricultural crops. Inoculation of peppermint cuttings and rhizomes with different densities of nematode egg masses caused varying degrees of root gall formation in three and four month growing periods. Regression slopes indicated that the relationships between inoculum densities and root gall formation was significant at the one percent level. However, inoculated rhizomes and the longer growing period caused more infection in plants. A gradual decline in plant vigor and productivity could be attributed to root-knot nematode infection which resulted in a significant shoot length reduction and reduced plant weights. Dry matter contents and concentrations of N, P, Mn, Fe and Al decreased, but there was a slight increase in Ca. Spearmint rhizomes inoculated with fresh second stage larvae of M. hapla produced equally severe galling in four months of growth regardless of the various initial inoculum densities. However, no significant relationships between inoculum densities and reduction in plant weights or shoot lengths developed in this host. Decreases in dry matter contents of spearmint plants as well as concentrations of chemical elements were similar to those of peppermint. A deterrent interaction between the fungus Verticillium dahliae Kleb. and M. hapla was observed when peppermint and spearmint plants were inoculated with the two pathogens. Significantly (at the one percent level) less root galls were formed when V. dahliae was combined with different densities of M. hapla larvae. Also interaction between fungus and nematode caused longer incubation periods and less severe Verticillium wilt disease symptoms. Weight reductions due to such interaction were insignificant and the data indicate that peppermint was more susceptible to the pathogens than spearmint. It can be concluded that M. hapla can infect both peppermint and spearmint without showing obvious disease symptoms on aerial parts of plants. Therefore, infections can remain unnoticed particularly in spearmint which has more tolerance to the nematode Introduction of root-knot nematode infected planting stock to new planting sites or other fields spreads the parasite which will affect other agricultural crops. Also suppression of Verticillium wilt disease symptoms by the nematodes could complicate or delay early diagnosis and control of wilt disease.

Experiment Station Record

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Author :
language : en
Publisher:
Release Date : 1918

Experiment Station Record written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1918 with Agriculture categories.

Game Laws For

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Author : Arthur Frederick Sievers
language : en
Publisher:
Release Date : 1929

Game Laws For written by Arthur Frederick Sievers and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1929 with Agriculture categories.

"Many know the annoyance and ill effects of wet basements and cellars, but comparatively few are familiar with good remedial methods. This bulletin gives needed information ... Many wet cellars might be dry had a little more attention been given to their location and construction and to grading the earth around them to shed water quickly. Frequently wet cellars can be made dry by gravity drainage of the site -- the simplest and surest method of avoiding ground-water troubles. Many dam cellars can easily be made less damp by better window ventilation. Water-tight construction and waterproofing and damp-proofing methods require good materials, but the most important thing -- in fact the vital thing -- is thorough workmanship in each and every detail."--Page ii.

Mint Farming

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Author : Ralph J. Green
language : en
Publisher:
Release Date : 1963

Mint Farming written by Ralph J. Green and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Mentha gentilis categories.

Experiment Station Record

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Author : U.S. Office of Experiment Stations
language : en
Publisher:
Release Date : 1889

Experiment Station Record written by U.S. Office of Experiment Stations and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1889 with Agricultural experiment stations categories.

The Plant Disease Reporter

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Author :
language : en
Publisher:
Release Date : 1979

The Plant Disease Reporter written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Plant diseases categories.