. [Vor. 1 
18 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
TABLE V 
THE EFFECTS OF VARIOUS SPRAYS AND DUSTS ON THE RATE OF TRANSPIRATION; 
DATA IN GRAMS FOR 80 POTTED TOMATO PLANTS. 2ND PERIOD, OCT. 25 
TO NOV. 8. 
Lime- 
Covering |Са(ОН), АКОН), Clay |АКОН):| Char- | ссу, | sulfur |Check 
pwd. coal 1-25 
Plants nos. 30-39 | 40-49 | 50-59 | 60-69 | 70-79 | 80-89 |100-109 90-99 
Transpiration| 494 812 624 665 573 560 846 | 590 
quantities 463 587 582 601 610 543 641 | 569 
592 653 693 609 530 553 667 | 564 
539 587 615 654 744 700 622 | 701 
604 654 594 754 556 512 680 | 764 
457 614 579 606 617 552 616 | 546 
544 665 694 476 569 706 604 | 496 
647 605 753 704 664 585 478 | 558 
597 806 579 641 596 620 601 | 514 
582 810 590 711 562 617 428 | 601 
Totals 5509 6793 6303 6421 6021 | 5948 | 6183 |5903 
Ave. 550.9 | 679.3 | 630.3 | 642.1 | 602.1 | 594.8 | 618.3 | 590.3 
*'Transp. 
per gm. 11.8 12.2 12.3 11.4 13.1 12.0] 12.8| 12.1 
Green wts. of plants 30-109 at close of 2nd period. 
Green weights| 39 71 46 58 49 50 56 58 
in grams 39 43 47 52 43 47 БІ 47 
49 58 Бі 45 48 43 42 38 
42 53 49 79 35 53 53 57 
60 56 54 77 35 53 67 53 
43 56 58 47 59 51 40 56 
41 53 52 47 46 57 52 35 
50 55 50 54 48 47 36 46 
60 58 48 47 52 43 49 46 
43 54 59 55 43 51 39 51 
"Totals 466 557 514 561 458 495 485 487 
Ave.perplant| 46.6 55.7 51.4 56.1 45.8 | 49.5 | 48.5 | 48.7 
* Computed on the basis of green weights at the close of second period. 
