1.   A delayed harvest reduces the amount of wheat produced as maturing kernels fall off plant stems.

2.   For guards, cut a slit from one side to the center and remove an inch-wide hole at the center for the plant stem.

3.   The eggs are sometimes inserted into underwater plant stems and sometimes smeared onto the surface of the water.

4.   Then, before the girls had even managed to settle onto their stools, Ms. Wong was off on a detailed discussion of the cell structure of plant stems.

5.   These worms burrow into plant roots, and intercept nutrients moving up to the plants stems and leaves.

6.   It is caused by a fungus present in the soil that causes soybean plant stems to rot from the inside.

7.   Moist mulches, if allowed to come into contact with plant stems, could cause stem or crown rot.