Annual Report, Volumes 30-36The Association, 1939 - Nut trees |
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Page 172
Northern Nut Growers Association. Black Walnut Toxicity L. H. MACDANIELS and W. C. MUENSCHER New York Figure 1 effect . THE problem of blackwalnut ( Jug- lans nigra ) toxicity or the an- tagonism between the roots of walnut trees and ...
Northern Nut Growers Association. Black Walnut Toxicity L. H. MACDANIELS and W. C. MUENSCHER New York Figure 1 effect . THE problem of blackwalnut ( Jug- lans nigra ) toxicity or the an- tagonism between the roots of walnut trees and ...
Page 174
Northern Nut Growers Association. under both walnut and locust trees . In this report it was stated that the roots of the walnut do not occupy the surface soil and hence growth condi- tions for grasses are better there than under some ...
Northern Nut Growers Association. under both walnut and locust trees . In this report it was stated that the roots of the walnut do not occupy the surface soil and hence growth condi- tions for grasses are better there than under some ...
Page 175
... walnut roots contains a substance which is toxic to roots of tomato plants in water culture ; 4. it is likely that " juglone " or some sim- ilar substance is the toxic constituent of walnut roots . Opposed to this evidence of an ob ...
... walnut roots contains a substance which is toxic to roots of tomato plants in water culture ; 4. it is likely that " juglone " or some sim- ilar substance is the toxic constituent of walnut roots . Opposed to this evidence of an ob ...
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Common terms and phrases
acres Agriculture American chestnut annual apple average bark bearing black walnut trees blight buds butternut butternut trees C. A. Reed Carpathian Castanea catkins chestnut trees Chinese chestnut Corylus County cracking Crath crop disease Elmer Myers English walnuts Experiment Station farm feet fertilizer filberts flavor Forest frost fruit Gellatly grafted grafted trees grown growth hardy hazel heartnut hicans hickory Horticultural hull hybrids Illinois inches Indiana Iowa Ithaca Japanese chestnut Japanese walnut John Juglans kernels MacDaniels mature membership native Northern Nut Growers nursery nut culture Nut Growers Association nut growing nut trees Ohio Ontario orchard pecan Persian walnut planted pollen pounds produced propagation Rockport samples scions season seed seedlings shagbark shell shellbark Snyder soil South species spring squirrels Stabler Stambaugh Stoke Thomas tion Virginia walnut roots Weschcke winter wood York Zenas H