Milk Stage


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Milk Stage

 

the initial phase of grain ripening. It begins after the flowering stage; for example, in cereal grains the milk stage occurs 12–16 days after flowering and continues for seven to 15 days; it precedes wax ripeness. During the milk stage the plants are still greenish in color; the bottoms of the stems turn yellow, and the lower leaves of grains yellow, dry out, and die. The grain remains green, and when it is crushed, a thick, milky white fluid containing about 50 percent water appears. During the milk stage the flow of plastic substances to the grain continues. Since the grain is undersized and the weight per 1,000 seeds is less than normal, the grain is not fully mature.

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While Suwan and BTL 1 hemicellulose increased significantly early at milk stage proportional with the cob DM yield dramatic increase.
In SD1, the higher value of temperature in this period was observed between 50% heading stage to milk stage (Figure 1).
Leaf blight severity of wheat at milk stage on flag leaf and penultimate leaf also varied among the treatments and ranged from 0.07 to 0.74 on flag leaf and 1.63 to 0.11, on penultimate leaf (Table 3).
The highest CP yields of whole crop wheat were obtained at the milk stage (0.71 t/ha DM), which was significantly higher than those at the flowering and dough stages (0.51 and 0.50 t/ha DM, respectively) (p<0.05) (Table 1).
Wheat spikes in the milk stage were collected at random during late May and early June, 1995, from demonstration plots of TAM 107 and Karl in 14 western Kansas counties (Table 1).