before cellular metabolism and growth can resume. most seeds need enough water to moisten the seeds but not enough to soak them. the uptake of water by seeds is called imbibition , which leads to the swelling and the breaking of the seed coat. when seeds are formed, most plants store a food reserve with...
growth of unwanted plants (weeds). modern herbicides generally act by restricting growth. they inhibit the action of one or more of the many receptors that catalyze reactions which are essential to the growth of the plant. there is one group however, the auxins, that kill by overstimulating growth. with...
plants from one place or growing medium to another. if done properly plant stress will be minimized and the production of flowers, fruits, and foliage can be enhanced. starting your own transplants (seedlings) indoors under lights or in a greenhouse where adequate light is available avoids problems with...