Abstract:

The author investigated the flooding of the early impact of rice production, rice flooded the symptoms carefully observed, and different maturity of rice in different time were flooded and the test samples yield monitor species, reached the following preliminary conclusions: Young ear necrosis, cut rice pollen was the main reason for destruction, the main effect of rice tillering delay, prolong the growth period; and was booting to milky stage of rice submerged critical Simiao time was 5.4 days about 130 hours, all the dead time was more than 8 days; in flooded rice tillering stage was the critical time is 6 days Simiao about 140 hours, all the decay time of death is more than 8 days. And put forward the principles and measures for the rescue.