弯曲穗型品种测定结果与直立穗型品种相似。
The similar results were also obtained in curved-panicle variety.
测定了直立穗型和弯曲穗型水稻群体的小气候环境。
The microclimate environment in population of erect panicle type and curved panicle type rice is determined.
粳稻不同品种成熟时有两种穗型：直立穗和弯曲穗。
There exists two panicle types at mature stage in japonica rice .
这可能是直立穗型品种抽穗后物质生产能力强的生理原因。
It perhaps was the physiological reason that the ability of the high dry matter production of the erect panicle variety.
直立穗型穗和上部节间较短，因此株高明显低于弯曲穗型；
The ear and upper internode of the erect panicle type were shorter, so its height was obviously lower than that of the curved one.
在不同行向直立穗型品种差异明显，弯曲穗型品种差异不大。
There are significant differences in different directions for erect panicle type, while the curved panicle type is not different.
主要原因在于：直立、半直立穗型品种株高偏矮，基部节间短，更有利于抗倒；
The reasons were as follows: firstly, the varieties with erect and semierect panicle were dwarf with short basal internodes, which increased their lodging resistance;
直立穗型品种对产量起正向作用的是穗粒数和千粒重，弯曲穗品种对产量起正向作用的是穗数。
The yield of had a positive relation with the spikelets per panicle of erect type, and with the panicles of curve type.
但从总体水平分析，北方稻区直立、半直立穗型粳稻品种比弯曲穗型品种倒伏指数小，抗倒性好。
In general, rice varieties with erect and semierect panicle from northern China had smaller lodging index and stronger lodging resistance than those with curved panicle.
因此，直立穗型水稻群体物质生产能力较强，生物产量较高，这是其最终经济产量较高的物质基础。
So the erect panicle type population has a bigger dry material production capacity and higher biological yield, these are the physical basis of high economic yield.
本文综述了国内外有关直立穗型粳稻品种的研究现状和进展，并分析了直立穗型粳稻品种存在的优缺点。
The recent research advances on erect panicle japonica varieties was summarized, and the characteristics of erect panicle japonica varieties were analysed.
以直立穗型和弯曲穗型水稻品种为材料，研究了稻谷粒形在穗上不同部位和不同粒位籽粒间的分布及其差异。
Differences in grain shape among the grains at different positions between the cultivars with erect panicle type and the cultivars with curved panicle type were studied.
直立穗型品种抽穗后干物重和成熟期干物重明显高于另二种穗型，抽穗后干物重占成熟期干物重和产量的百分比也较高；
The dry matter accumulated after heading and the biomass of mature stage of varieties with erect panicles were higher than that of varieties with semi-cured and cured.
选用典型直立穗型水稻品种沈农265和半直立穗型品种辽粳294为试材，研究两品种干物质积累、钾素吸收和利用效率的差异。
The typical erect panicle rice variety Shennong 265, and semi-erect panicle rice variety Liaojing 294 were used to compare dry matter accumulation, absorption and use efficiency of potassium.
这些品种的最大特点是直立大穗型，生物产量高。
The most distinctive feature of the varieties is their erect heavy panicle and substantial biomass production.
这些品种的最大特点是直立大穗型，生物产量高。
The most distinctive feature of the varieties is their erect heavy panicle and substantial biomass production.
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