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Authors Riker, A.J. Remove constraint Riker, A.J.: Riker, A.J. Series Journal of agricultural research Remove constraint Journal of agricultural research: Journal of agricultural research

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1. Bacterial Leaf Spot of Alfalfa.

Author:: Riker, A.J. , Jones, F.R. , Davis, Marguerite C.
Physical description:: p. 177-182.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1935 Sep. 1, v. 51, no. 6

2. Factors Influencing the Carbon Metabolism of the Crown Gall Organism.

Author:: McIntire, F.C. , Peterson, W.H. , Riker, A.J.
Physical description:: p. 313-319.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1940 Oct. 15, v. 61, no. 8

3. Growth Substance and the Development of Crown Gall.

Author:: Locke, S.B. , Riker, A.J. , Duggar, B.M.
Physical description:: p. 21-39.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1938 Oct. 15, v. 57, no. 8

4. Growth Substance in Crown Gall as Related to Time After Inoculation, Critical Temperature, and Diffusion.

Author:: Riker, A.J. , Henry, Berch , Duggar, B.M.
Physical description:: p. 395-405.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1941 Dec. 1, v. 63, no. 11

5. Hairy Root, Crown Gall, and other Malformations at the Unions of Piece Root-Grafted Apple Trees and Their Control.

Author:: Riker, A.J. , Keitt, G.W. , Hildebrand, E.M. , Banfield, W.M.
Physical description:: p. 913-939.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1934 Apr. 15, v. 48, no. 8

6. Influence of Temperature, Moisture, and Soil Reaction on the Damping-Off of Red Pine Seedlings by Pythium and Rhizoctonia.

Author:: Roth, L.F. , Riker, A.J.
Physical description:: p. 273-293.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1943 Nov. 15, v. 67, no. 10

7. Life History and Distribution of Pythium and Rhizoctonia in Relation to Damping-Off of Red Pine Seedlings.

Author:: Roth, L.F. , Riker, A.J.
Physical description:: p. 129-148.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1943 Nov. 15, v. 67, no. 10

8. Production of Growth Substance on Peptone Broth by Crown Gall Bacteria and Related Nongall-Forming Organisms.

Author:: Locke, S.B. , Riker, A.J. , Duggar, B.M.
Physical description:: p. 519-525.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1939 Nov. 1, v. 59, no. 9

9. Resistance to Bacterial Wilt of Inbred Strains and Crosses of Sweet Corn.

Author:: Ivanoff, S.S. , Riker, A.J.
Physical description:: p. 927-954.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1936 Oct. 1, v. 53, no. 7

10. Seasonal Development in the Nursery of Damping-Off of Red Pine Seedlings Caused by Phythium and Rhizoctonia.

Author:: Roth, L.F. , Riker, A.J.
Physical description:: p. 417-431.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1943 Nov. 15, v. 67, no. 10

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