Search National Agricultural Library Digital Collections

You searched for:

Authors Allard, H.A. Remove constraint Allard, H.A.: Allard, H.A. Series Journal of agricultural research Remove constraint Journal of agricultural research: Journal of agricultural research

Displaying items 1 - 10 of 26 start over

Results navigation

1. A Specific Mosaic Disease in Nicotiana viscosum Distinct from the Mosaic Disease of Tobacco.

Author:: Allard, H.A.
Physical description:: p. 481-486.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1916 Dec. 11, v. 7, no. 11

2. Bulb Formation in Some American and European Varieties of Onions as Affected by Length of Day.

Author:: Magruder, Roy , Allard, H.A.
Physical description:: p. 719-752.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1937 May 1, v. 54, no. 9

3. Clockwise and Counterclockwise Spirality in the Phyllotaxy of Tobacco.

Author:: Allard, H.A.
Physical description:: p. 237-242.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1946 Aug. 1, v. 73, no. 3

4. Complete or Partial Inhibition of Flowering in Certain Plants When Days Are Too Short or Too Long.

Author:: Allard, H.A.
Physical description:: p. 775-789.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1938 Oct. 15, v. 57, no. 8

5. Distribution of the Virus of the Mosaic Disease in Capsules, Filaments, Anthers, and Pistils of Affected Tobacco Plants.

Author:: Allard, H.A.
Physical description:: p. 251-256.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1916 Jan. 10, v. 5, no. 15

6. Duration of the Flowerless Condition of Some Plants in Response to Unfavorable Lengths of Day.

Author:: Garner, W.W. , Allard, H.A.
Physical description:: p. 439-443.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1931 Oct. 1, v. 43, no. 7

7. Effect of Abnormally Long and Short Alternations of Light and Darkness on Growth and Development of Plants.

Author:: Garner, W.W. , Allard, H.A.
Physical description:: p. 629-651.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1931 May 15, v. 42, no. 10

8. Effect of Dilution upon the Infectivity of the Virus of the Mosaic Disease of Tobacco.

Author:: Allard, H.A.
Physical description:: p. 295-299.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1915 Mar. 25, v. 3, no. 6

9. Effect of the Relative Length of Day and Night and Other Factors of the Environment on Growth and Reproduction in Plants.

Author:: Garner, W.W. , Allard, H.A.
Physical description:: p. 553-606.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1920 Jan. 15, v. 18, no. 8

10. Effects of Various Salts, Acids, Germicides, etc., Upon the Infectivity of the Virus Causing the Mosaic Disease of Tobacco.

Author:: Allard, H.A.
Physical description:: p. 619-637.
Series:: Journal of agricultural research
Part Of:: Journal of agricultural research. 1918 May 27, v. 13, no. 9

Results navigation