J Integr Plant Biol. ›› 1977, Vol. 19 ›› Issue (1): -.

• Research Articles •    

Observations on the Growth and Development of the Parents in Hybrid Rice

Agricultural Bureau and The Revolutionary Committee of Yan-pai-du Commune, Tze-li County, Hunan   

Abstract: The growth and development of the parents in hybrid rice under the autumn conditions have been investigated. The observations include the growth and development phases, the growth of leaf blade, the florescence and time of flowering. The problems concerning the safe pollination time for successful fruiting and simultaneous blooming period for both maternal and paternal parents have been rather well solved, and we used the techniques such as the increase of pollen production in paternal parent line and of the effective spikes, the grain number per spike and the rate fructification in maternal parent line etc. to raise the yield of the seed field of ten thousand mu.

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