There are no significant differences in the ratio of indole acetic acid to isopentenyladenine [b(IAA) /b(iPAs)] in the young spike, as well as grains per spike and the seed setting percentage between Huahang No.
以空间诱变选育的优质水稻新品种华航一号和空间诱变选育的水稻新品系华航八号以及它们的原品种为材料,用酶联免疫吸附测定法测定了幼穗分化Ⅰ期和Ⅲ期幼穗的激素含量,调查了成熟期的每穗粒数和结实率。
Phenotypic distributions of panicle angle and number of spikelets per panicle were investigated in P 1, P 2, F 1and F 2 generations(in 2002) and P 1, P 2, F 1, F 2, F (2∶3) generations(in 2003) from the cross Bing 8979(erect panicle, japonica rice) and C Bao(curved panicle, japonica rice).
调查了粳稻直立穗品种丙8979与弯曲穗品种C堡杂交组合的P1、P2、F1、F2四个世代(2002年)和P1、P2、F1、F2、F2∶3五个世代(2003年)的穗角和每穗颖花数的表型分布。
