ScienceJohn Michels (Journalist) 1951 |
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Page 208
... plants used in these experiments were : Solanum tuberosum var . Chippewa Lycopersicon esculentum var . John Baer L. esculentum var . Southland Solanum melongena var . Black Beauty Capsicum annuum var . Calwonder Brassica oleracea var ...
... plants used in these experiments were : Solanum tuberosum var . Chippewa Lycopersicon esculentum var . John Baer L. esculentum var . Southland Solanum melongena var . Black Beauty Capsicum annuum var . Calwonder Brassica oleracea var ...
Page 727
... plants having the dark period inter- rupted at midnight by 30 min of illumination with a 40 - w lamp 18-24 in . from the plants . This did not inhibit blossom bud formation but only greatly de- layed it . Plants given 3 long nights ...
... plants having the dark period inter- rupted at midnight by 30 min of illumination with a 40 - w lamp 18-24 in . from the plants . This did not inhibit blossom bud formation but only greatly de- layed it . Plants given 3 long nights ...
Page 736
... plants . The discovery that many plant diseases were caused by bacteria was made in Illinois , but Department sci- entists were among the first to grasp the significance of this discovery and develop practical means for controlling some ...
... plants . The discovery that many plant diseases were caused by bacteria was made in Illinois , but Department sci- entists were among the first to grasp the significance of this discovery and develop practical means for controlling some ...
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