Correct

抽穗

/ chōu suì / 
Strokes

Example

As a Verb

(of cereal plants) put forth ears; ear (up); come into ears; be in the ear; head (up)

1
Yùmǐ
玉米
zhèngzài
正在
chōusuì
抽穗
  
。

The maize is in the ear.

2
Hēimài
黑麦
gāi
该
chōusuì
抽穗
le
了
  
。

The rye should be earing/heading up.

3
Gāoliáng
高粱
zài
在
chōusuì
抽穗
  
。

The sorghum is in sprout.