Leaf early senescence directly reduces its photosynthetic capacity, decreasing crop yield and grain quality.
水稻叶片早衰直接影响作物的光合效率，减少产量，降低品质。
The combination of genetic engineering methods with traditional breeding technology has become an excellent method to improve grain quality.
将基因工程与常规育种相结合，成为作物改良的重要方法。
Youzhan 8, selected from a natural mutation of variety Aojinzhan by Rice Research Institute of GXAAS, is a fine grain quality inbred variety of indica type.
油占8号是广西农科院水稻所从“澳粳占”自然变异植株中选育而成的优质常规稻新品种。
Crossing it with Zaohui 89, a new two-line early hybrid rice combination, Jinliangyou 289, was developed and it was characterized with both high yield and good grain quality.
利用该不育系与早恢89配组育成两系杂交早稻新组合金两优289，该组合具有产量高、米质较优、综合性状好等特点。
It has the characteristics of high yield, strong resistance to blast and brown plant hopper, acceptable grain quality, high seed production yield potential and wide adaptability.
该组合具有产量高、抗稻瘟病和褐飞虱、米质较优、制种易获高产等特点。
Endosperm traits are important in determining grain quality in cereals.
谷物胚乳性状是决定谷物品质的一类重要性状。
Under different cultivation measures, the grain quality of Pubing143 was different.
不同栽培措施下，普冰143籽粒品质不同。
Endosperm traits are the kind of important traits determining the grain quality in cereals.
谷物胚乳性状是决定谷物品质的一类重要性状。
The components of edible rice grain and the recent advances in rice grain quality research are outlined.
就食用稻米组分、稻米品质研究进展进行了概述。
Drought stress not only affected the development and yield of maize, but also affected the grain quality.
干旱胁迫不仅影响玉米生长发育和产量，而且影响了玉米的子粒品质。
In the other grain quality characters, there was not a big difference between hybrid rice and conventional rice.
在其它品质性状上，杂交粳稻与常规粳稻差异不明显。
Rice blast and stem borers have done harm to rice production, led to decreased rice yield and inferior grain quality.
稻瘟病和螟虫等病虫害严重危害着水稻生产，导致水稻产量下降，稻米品质变劣。
The issues existing in survey of harvested grain quality and its quality detection are analyzed. Some suggestion is given.
分析了当前粮食收获质量调查和品质测报工作中存在的问题，并提出了一些建议。
These results suggested that it was feasible to monitor and predict main grain quality in rice by using remote sensing technique.
说明通过遥感手段来预测水稻籽粒的加工品质和营养品质指标是可行的。
Using different rice cultivars as materials, effect of flowering sequence on endosperm cells (ECs) and grain quality was analyzed.
以不同类型水稻品种为材料，分析了稻穗颖花开花日序对籽粒胚乳细胞数和米质形成的影响。
The urgent research contents and new methods and measures for the research on rice grain quality forming regularity are put forward.
为此提出稻米品质形成规律研究中急需开展的研究内容及与其配套的研究新方法和新手段。
Increasing the phosphorus potassium can improve the strong gluten wheat protein and content of wet gluten, improve wheat grain quality.
增施磷钾肥可提高强筋小麦蛋白质和湿面筋含量，改善小麦籽粒品质。
The results can be used to estimate the commercial grain quality and provide the basis for working out state grade standard of paddy rice.
将此用于评定稻米商品粮品质，可为制定国家稻米分级标准提供参考依据。
So it has great significance for keeping the grain quality and economy value, for management in purchasing, storing and processing of grain.
这对粮食收购、储藏、加工过程中的管理，粮食的品质和经济价值的保持具有重要意义。
The results indicated that the response of grain quality traits to cold water irrigation varied in either cultivars or grain quality traits.
结果表明，品质性状的冷水反应不仅与品种有关，也与具体的品质性状有关。
Under the field experiment conditions, effects of site-specific nitrogen management(SSNM)on grain yield and grain quality of rice were studied.
在大田试验条件下，观察了实地氮肥管理对水稻产量和稻米品质的影响。
There were no clear correlations between viscosity characters and grain quality, only PTP were significantly correlated with maturity kernel yield.
粘度性状与籽粒营养品质的相关不显著，仅有糊化时间与成熟籽粒产量相关显著。
Effects of plant density and nitrogen fertilizer on nitrogen metabolism of weak-gluten wheat varieties Ningmai 9 with good grain quality were studied.
在大田试验条件下，研究密度与氮肥运筹对弱筋小麦品种宁麦9号植株氮代谢变化的影响，分析氮素运转与籽粒品质、产量的关系。
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。
Using WINISI software, the models for predicting several grain quality characteristics of brown rice by near infrared transmission spectroscopy (NITS) were developed.
借助于近红外定标软件WINISI，建立了利用近红外透射光谱同时测定糙米多项品质指标的模型。
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。
The experience in exploiting and utilizing new hybrid rice combinations with high yield and good grain quality to strengthen the marketing competitiveness was introduced.
就种子公司如何通过不断开发和利用杂交水稻优质高产新组合，增强市场竞争力的经验作了介绍。
Using genetic correlation and multiple correlation analysis, Studies on relationships between grain quality and agronomical traits of 49 wheat cultivars were carried out.
采用遗传相关分析和多元偏相关分析研究了49个小麦品种的籽粒品质性状与农艺性状的关系。结果表明，在一定成熟期下，开花期愈早，容重和SDS—沉淀值愈大。
Using genetic correlation and multiple correlation analysis, Studies on relationships between grain quality and agronomical traits of 49 wheat cultivars were carried out.
采用遗传相关分析和多元偏相关分析研究了49个小麦品种的籽粒品质性状与农艺性状的关系。结果表明，在一定成熟期下，开花期愈早，容重和SDS—沉淀值愈大。
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