thousand-grain weight

Adding nitrogen fertilizer ( compared the 150 kgN/ hm2 applied rates with 75 kgN/ hm2) had the tendency to increasing effect ears, grains per ear and decrease thousand-grain weight, but its increase or decrease variation amplitude of varieties was large.

增施氮肥（施氮量150kgN/hm2与施氮量75kgN/hm2相比）有增加小麦有效穗数和穗粒数、降低千粒重的趋势，但增加或降低的幅度在品种间有较大差异。

In order to improve the thousand-grain weight ( TGW), the researches on progenies derivated from interspecific reciprocal hybridization between common wheat ( T.aestivum) and durum wheat ( T.durum) have been carried out 8 years successively to innovate new germplasm.

为了提高千粒重，连续8年对普通小麦（T.aestivum）和硬粒小麦（T.durum）的正反交后代进行种质创新研究。

Analysis on the Correlation between Thousand-grain Weight and Biological Characters of Wheat Seedling in Stage of Three-leaf

小麦千粒重与三时期幼苗生物性状的相关分析

The weight of one thousand grains increased 1.6 g;

千粒重增加1.6g；

Therefore, duly early harvest may raise the thousand-grain weight and sprouting rates reduce the protein content and give good color to the grain.

适时早收可提高干粒重、发芽率，降低蛋白质含量和达到理想的色泽。

( CK), better disease resistance to powdery mildew, rust and leaf wilt, more tillers and spikes per plant, average 30 grains per spike, higher plant, lower thousand-grain weight, and high quality.

综合抗性好，抗白粉病、锈病和叶枯病；分蘖成穗率高，穗粒数平均为30粒：植株偏高，千粒重较低：品质优良。

The influence of different seed's thousand-grain weight of soybean and maize on the germination percentage, the percentage of seedling emergence, the speed of seedling emergence and the percentage of seedling was studied.

以大豆、玉米种子为试验材料，研究了其不同千粒重对发芽率、出苗率、出苗速度和成苗率的影响。

The Effect of Air Temperature on Thousand-Grain Weight and the Rate of Sterile Spikelet of Weak Springness Wheat from Heading to Ripening

抽穗至成熟期气温对弱春性小麦千粒重和不孕小穗率的影响

From heading to ripening, the thousand-grain weight and the mean of average day temperature showed negative correlation, and the average of day highest temperature showed very notable negative correlation, but with the average temperature differences between days and nights showed very notable positive correlation.

在抽穗至成熟期间，千粒重与平均日均温呈负相关，与平均日最高温度呈极显著的负相关，而与平均昼夜温差呈极显著的正相关。

Leaves injuried by the mites withers, the maize ripes in advance of 20-25 days and thousand-grain weight decreases from 3% to 20%.

受害玉米叶片干枯，一般提前成熟20～25天，千粒重下降3～20%。

The sliding weight of a steelyard, though small in volume, may hold down a thousand catties.

秤砣看来一小块却能压住千斤之重.比喻外表虽不引人注目,实际很起作用.

The thousand-grain weight and the days from heading to ripening showed very notable positive correlation.

千粒重与抽穗至成熟天数呈极显著的正相关。

K effects mainly on thousand-grain weight and the number of ears per mu.

钾肥主要作用于千粒重及亩穗数来显示其肥力效应。

The thousand-grain weight and the rate of sterile spikelet for varieties of weak springness wheat shewed very notable negative correlation.

弱春性小麦品种的千粒重和不孕小穗率呈极显著的负相关。

Its percentage of germination is of 45%~ 59%, having close relationship to thousand-grain weight.

其发芽率为45%～59%，与种子批次的千粒重密切相关.种子在室外阳光下晒干。

A steelyard is small but it carries a weight of a thousand catties.

秤杆虽小提千斤.

Those seed quality characters from high to low in heritability order were as follows: thousand-grain weight, percentage of woody seed, seedling length, germination percentage, vigor index and germination index.

种子千粒质量遗传力最大，涩籽率次之，其后依次为芽苗长度、发芽率、活力指数和发芽指数。

Flase smut also affected the total grains per ear, ear length, uppermost leaf length, weight of a thousand grains and plant height in certain degrees.

其次，对每穗总粒数、穗长、剑叶长、千粒重、株高也有一定的影响。

Study on correlation of four agronomic characters of flax and correlative selection for improving its thousand-grain weight

亚麻4个农艺性状的相关及千粒重相关选择的研究

IAs an important determinant factor of rice appearance quality, grain length also has close relationship with thousand-grain weight.

籽粒长度不仅与水稻产量因子千粒重关系密切，同时也是稻米外观品质的重要的决定因素。

TSW ( Thousand seed weight) was also enhanced by application of GA3. Seed germination percentage increased with low concentration GA3 treatment.

低浓度GA3提高了种子萌发率。