“Plant stages are determined by classifying leaf ... can also be identified in soybeans. When a soybean pod’s membrane no longer clings to the seeds, the pod has reached black layer.

There are eight stages of soybean plant reproductive growth, from R1—beginning blooming—to R8—full maturity. Vieira said that temperature changes in the United States have allowed earlier ...

The team of researchers identified an effector protein called CPR1 (cysteine protease 1), which SCN secretes into soybean roots during infection. CPR1 disrupts the plant's immune system ...