... stomata in older tip portions of needles are open to a wider degree than are stomata in younger basal portions . In most instances , 1 - year - old ( last year's ) needles probably are the best choice for testing because they are always ...
... stomatal densities of fewer than 100 per mm2 . Stomatal frequencies were evaluated by plant size , location , and leaf type . Plants were divid- Common name Upper surface Family Number of stomata ( per 8 Frequency of stomata.
... Stomata are equally distributed on both the surfaces of leaf. Ex. Maize, Oat, most of cereals and grasses. (d) Water lilly type : Epistomatic — Stomata are present only on the upper surface of leaf and plants those having floating ...
... stomata . Since the stomata are openings in the epidermis through which the moisture from the inner cells of the leaf can escape , it is to be expected that , other things being equal , leaves or regions with more stomata will show more ...
... stomata . Since the stomata are openings in the epidermis through which the moisture from the inner cells of the leaf can escape , it is to be expected that , other things being equal , leaves or regions with more stomata will show more ...
... stomata is very high , the transpiration rate is high . The highest records of stomata per sq . mm . are : 1030 , 970 , 960 on some leaves of Nos . 63 and 64 ; 740 on some leaves of No. 59 . There are very few records of plants with ...
... stomata is very high , the transpiration rate is high . The highest records of stomata ́per sq . mm . are : 1030 , 970 , 960 on some leaves of Nos . 63 and 64 ; ' 740 on some leaves of No. 59 . There are very few records of plants ...