Growth Stages of Rice

Question 1

GROWTH PHASE OF RICE

Answer 1

1. vegetative
2. reproductive
3. ripening

Question 2

VEGETATIVE PHASE

Answer 2

1. pre-germination
2. seedling stage
3. tillering stage

Question 3

REPRODUCTIVE PHASE

Answer 3

1. panicle initiation
2. booting stage
3. heading and flowering

Question 4

RIPENING PHASE

Answer 4

1. milk stage
2. dough stage
3. mature grain stage

Question 5

PRE-GERMINATION

Answer 5

1. radicle emerges from seedcoat
2. 24hrs soaking in water
3. 36-48hrs incubation in room temperature

Question 6

SEEDLING STAGE

Answer 6

1. seminal roots and approximately 5 leaves developed
2. transplanting is done 24 days after sowing

Question 7

TILLERING STAGE

Answer 7

1. appearance of first tiller until maximum number of tillers is reached

Question 8

PANICLE INITIATION

Answer 8

1. formation of initial panicle

Question 9

BOOTING STAGE

Answer 9

1. enlarging of panicle

Question 10

HEADING AND FLOWERING

Answer 10

1. emergence of panicle from flag leaf sheath
2. ends with pollination and fertilization

Question 11

MILK STAGE

Answer 11

1. endosperm is at watery stage

Question 12

DOUGH STAGE

Answer 12

1. milky portion turns into soft dough and then hard dough

Question 13

MATURE GRAIN STAGE

Answer 13

1. grains fully developed
2. 80-90% straw-colored spikelets

Question 14

VEGETATIVE PHASE

Answer 14

1. germination to maximum tillering

Question 15

REPRODUCTIVE PHASE

Answer 15

1. panicle initiation to flowering (35 days)

Question 16

RIPENING PHASE

Answer 16

1. flowering to full maturity (30 days)