J Integr Plant Biol. ›› 1978, Vol. 20 ›› Issue (4): -.

• Research Articles •    

Studies on Male-Sterility of Rice Induced by "MALE-GAMETOCIDE NO. I"

The Guangdong Cooperative Investigation Group for the Utilization of tIeterosis in Crops, Laboratory of Ecological Genetics, Agronomy Department, South China Agricultural College and Laboratory of B   

Abstract: Studies were made on male-sterility of cultivated rice' induced by "Male-gametocide No. I" which contained Zinc methyl arsenate (CH3AsO3Zn·H2O) as its major ingredient. When applied at the uninucleate stage, CH3AsO3H2 was absorbed and, translocated to the panicle rapidly. The effect of the gametocide was to hinder the normal respiratory metabolism of the anther which produced aborted pollens subsequently, resulting in male-sterility of the rice plant. The percentage of male-sterilized flowers caused by this gametocide was 95% to 100%.

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