Abstract
In pot culture, not only morphological characters but also wilting degree by drought varied quantitatively in the individuals, especially obviously between leafy and non-leafy types, but not so distinctly between 4x and 8x (Figs. 1 and 2). The close relations were obtained among degree of wilting, soil water content and number of leaves (Fig. 2, 3 and 4), but loose relation existed between wilting degree and transpiratiom amount per leaf, which was not governed by stomata number and size but leaf size (Figs. 5 and 6). Therefore, under limited volume of soil, wilting degree of a plant due to drought, in general, is considered to be determined mainly by number of its leaves, but not by its mean leaf area (c. f. Table 1). On the contrary, the leaty type, A, was superior in drought tolerance to the non-leafy, B, when grown in deep soil (Figs. 7. 8 and Table 2), probably because the former developed its roots so well that abundant water lost from its larger area of transpiration could be sufficiently supplied. From these results, the possbility to breed some new strains tolerating drought is suggested.
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Claims 8
Claim · model-written summary
Drought wilting degree of Ladino clover varied quantitatively between individuals, especially between leafy and non-leafy types.
Verbatim
e1“wilting degree by drought varied quantitatively in the individuals, especially obviously between leafy and non-leafy types, but not so distinctly between 4x and 8x”
t0“Ladino Clover”
Claim · model-written summary
Drought wilting degree of Ladino clover was not clearly different between 4x and 8x plants.
Verbatim
e1“wilting degree by drought varied quantitatively in the individuals, especially obviously between leafy and non-leafy types, but not so distinctly between 4x and 8x”
t0“Ladino Clover”
Claim · model-written summary
Wilting degree was closely related to soil water content and number of leaves in Ladino clover.
Not reportedDirection
Verbatim
e2“The close relations were obtained among degree of wilting, soil water content and number of leaves”
t0“Ladino Clover”
Claim · model-written summary
Wilting degree was only loosely related to transpiration per leaf in Ladino clover.
Not reportedDirection
Verbatim
e3“loose relation existed between wilting degree and transpiratiom amount per leaf”
t0“Ladino Clover”
Claim · model-written summary
Wilting degree of Ladino clover is determined mainly by the number of leaves rather than mean leaf area.
Verbatim
e4“wilting degree of a plant due to drought, in general, is considered to be determined mainly by number of its leaves, but not by its mean leaf area”
t0“Ladino Clover”
Claim · model-written summary
Transpiration per leaf in Ladino clover is governed by leaf size rather than stomata number and size.
Verbatim
e3“loose relation existed between wilting degree and transpiratiom amount per leaf”
e7“which was not governed by stomata number and size but leaf size”
t0“Ladino Clover”
Claim · model-written summary
The leafy type of Ladino clover was superior in drought tolerance to the non-leafy type when grown in deep soil.
Verbatim
e5“the leaty type, A, was superior in drought tolerance to the non-leafy, B, when grown in deep soil”
t0“Ladino Clover”
Claim · model-written summary
Breeding new Ladino clover strains tolerating drought is suggested.
Verbatim
e6“the possbility to breed some new strains tolerating drought is suggested”
t0“Ladino Clover”