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Abstract
Rate of plant development and endosperm texture in TRITICUM DURUM desf. — The relationships between the rate of development of the plants obtained from kernels with hard or with porous endosperms have been examined. The devernalisation of the hard kernels obtained placing the kernels during 10 days at 25[ddot]C in moist air converts a hard endosperm into a porous one and the plants which grow afterwards have a lower rate of development than the controls.
In addition it has been studied the change of the endosperm texture in function of the rate of development, but the coefficients of correlation between the lenght of the vegetative cycle of the plants and the percentage of kernels with porous endosperm are not statistically significant.
In the ear the porous kernels are in the place of those which develop the last.
The origin of the endosperm texture and the relationships between rate of development and endosperm texture can be determined and explained also with the only effect of moisture and temperature on the kernels during ripening and afterwards.