Improving the quality of medium indica hybrid rice combinations was restricted by chalky rice rate and chalkiness degree.
垩白粒率和垩白度是中籼杂交稻组合稻米品质提升的主要障碍因子。
The grain quality of the existing three line indica hybrid rice was studied with widely used 6 A lines, 9 R lines and their 54 hybrids as the materials.
以具广泛代表性的6个不育系和9 个恢复系及其配制的54 个组合为材料研究了现有籼型三系杂交水稻米质状况。
The variation and stability of the tested values of 12 indices for grain quality were analyzed by using 1036 indica hybrid rice samples from different sites and years.
以全国多年多点送检的1036份籼型杂交水稻样本为材料，对12项米质指标测定值的变异及稳定性进行了分析。
Reducing chalky grain and increasing head rice rate were important in japonica rice quality improvement. (3) The quality of indica hybrid rice was improved significantly.
垩白、整精米率和直链淀粉含量是籼稻品质改良的重点，垩白和整精米率是粳稻品质改良的重点。
The effect of the planting density and the application amount of N-fertilizer on the yield and agronomical character of medium indica hybrid rice-liangyou 6326 were studied.
研究了不同施氮量和密度对杂交中籼两优6326产量及穗粒结构的影响。
The effect of chalkiness on eating, cooking and nutritional quality was investigated with Gangyou 527 (indica hybrid rice) and Zhaiyeqing 8 (conventional indica rice) as materials.
以冈优527(杂交籼稻)和窄叶青8号(常规籼稻)为材料，研究垩白对稻米蒸煮食味品质及营养品质的影响。
Objective Our purpose is to investigate the rice seedling growth characteristic, quality of transplanting, rice yield and economic benefits of sparse seeding in indica hybrid rice.
目的探索机插杂交籼稻稀播育秧秧苗生长特性、栽插质量、产量与效益特点。
The results indicated that only 2 combinations reach three grade quality standards in the 36 indica hybrid rice combinations, the length-width ratio of the 2 combinations were greater than 2.9.
结果表明，36个组合中只有2个组合的稻米品质指标全部达国颁优质稻谷标准3级以上，这2个组合的米粒长宽比都在2.9以上；
Thus, breeding indica varieties or hybrid parents with intermediate or lower amylose content becomes one of the most important objects in rice genetic breeding.
培育中等或略微偏低直链淀粉含量的籼稻新品种或杂交稻亲本已成为水稻遗传育种的最重要目标之一。
Hybrid F1 from Indica crossed with Japoniac as well as Photoperiod and Temperature Sensitive Genic Male-Serile(PTGMS) rice lines were the hot materials used in anther culture in recent years.
近年来对籼粳交F1和光温敏核不育系的花药培养成为研究热点，其花培后代因所用材料不同而不同。
Genetic differentiation and indica component degree analysis were conducted on the main parents of japonica hybrid rice in the northern China by simple sequence repeats (SSR).
利用微卫星(SSR)分子标记对北方杂交粳稻骨干亲本进行了遗传差异鉴定和籼性程度分析。
Photosynthetic characteristics in indica-japonica hybrid rice Yayou 2 based on japonica rice 02428, which is a valuabled germplasm in the breeding of indica-japonica hybrids.
因此，在配组具有优良光合性状的籼粳杂交稻品种时，广亲和高光效种质02428是一个值得利用的材料。
The effect of PP333 applied at elongation stage on plant height and yield of indica-japonica hybrid rice was studied.
本文研究了拔节期施用多效唑对籼粳杂交稻的株高和产量的影响。
The effect of PP333 applied at elongation stage on plant height and yield of indica-japonica hybrid rice was studied.
本文研究了拔节期施用多效唑对籼粳杂交稻的株高和产量的影响。
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