幼穗分化与拔节基本同步。
The elongation and the ear initiation occur basically simultaneous.
进入二棱后，高温长日照加速幼穗分化进程。
Highter temperature and longer daylength could accelerate the spike differentiation after the double ridge.
拔节孕穗期长，幼穗分化充分，有利于壮秆大穗的形成。
The stage from jointing to booting is long and the differentiation of young ear is abundant.
IAA含量的降低可能与幼穗中过氧化物酶活性的增高有关。
The IAA deficiency might be correlated with the rise of POD activity.
三十烧醇能提高小麦从旗叶叶绿素含量、幼穗的干重及灌速度。
Triacontanol (TRIA) can Increase chlorophyl content of the flag leaves of wheat plant, the dry weight of juvenile claduses and the speed of filling.
各生育期土壤盐分含量有所增加，尤以幼穗分化期、收获期为甚。
The soil salt contents were increased in all growth stages of rice with film mulching cultivation, especially in panicle initiation stage and harvesting stage.
野牛草组织培养的外植体有幼苗片段、叶基、雄花幼穗和成熟胚等。
In Buffallograss tissue culture, seedling segment, leaf base, mature embryo and immature male inflorescences can be used as explant.
以幼穗直接出芽，一次成苗途径培养，不同三体的培养力亦存在差异；
There was also significant difference in culture ability among different trisomics as the little plants were emerged directly from cultured young panicles.
三联期是大麦通过春化阶段和幼穗分化开始的形态指标，而小麦是二棱期。
The period of tripe mound of barley is the morphological symbol to complete the vernalization phase and start ear initiation, but the wheat is in double ridge.
在小麦的抽穗期又对其幼穗进行了超微弱发光与各种抗氧化物酶活性的测定。
We also determined ultraweak luminescence and all kinds of antioxidase activity of young panicles in the heading stage.
用长1厘米以上和长0.1厘米的幼穗高体培养，其愈伤组织主要是分化根；
Roots were mainly differentiated from the callus of inflorescences while they were 0.1cm and over 1.0cm in length.
研究了不同生态型小麦在春季分期播种条件下的幼穗分化过程与温度效应的关系。
This paper deals with the relation between the young spike differentiation of different ecotypes of wheat at different sowing date and the effect of temperature.
本文采用大田试验研究了小黑麦、 黑麦与普通小麦幼穗分化及形态建成的差异。
Field experiments out to study the differences spike differentiation and morphogenesis among triticale, secale and triticum.
研究了不同生态型小麦在春季分期播种条件下的幼穗分化进程与叶片出生的关系。
This paper deals with the relationships between the young spike differentiation of different ecotypes of wheat at different sowing date in spring and leaf emergence.
本文还讨论了四川小麦幼穗分化过程中引致穗粒数变异的时期，以及安全孕穗、抽穗期。
The stage controlling seed number per ear during ear differentiation, safe booting date and safe heading date of wheat in Sichuan were discussed.
早稻甲烷排放峰值出现在水稻幼穗分化期，晚稻种稻期间甲烷排放通量在水稻分蘖盛期最大。
The methane emission peak of early rice appeared in young panicle differentiation stage of rice.
TUFD1基因在小麦幼苗的根、茎、胚芽鞘、叶片以及幼穗和腊熟期子粒中呈组成性表达。
TUFD1 showed a constitutive expression pattern in roots, stems, coleoptiles, and leaves of seedlings, and in young spikes and seeds at the hard-dough ripening stage.
对光敏核不育水稻（PGMR）农垦58S及农垦58水稻幼穗发育过程中多胺变化进行了测定。
The endogenous free polyamines in young panicles of PGMR Nongkcn 58S and Nonken 58 were determined during their development.
本文研究了水稻幼穗在无菌培养和添加外源激素作用下，由颖花直接培养成植株的全部发育过程。
It deals with the developmental process through which the spikelets in the young panicles regenerated plants under the condition of sterile culture and the effect of hormone added.
优化了小麦组织培养条件，建立了以小麦幼穗切段、幼胚盾片和成熟胚盾片为外植体的高效稳定再生体系。
The high efficient plant regeneration systems have been established by optimizing tissue culture conditions using inflorescence explants, immature and mature embryo scutella as the target materials.
研究结果表明：1）幼穗分化进入雌雄蕊期，抗霜力急剧下降，以后下降缓慢，表明雌雄蕊—药隔期为低温敏感期；
The results indicated: 1) Young spikes developed into frost sensitive period after stamens and pistils began to differentiate;
以苏丹草幼穗为外植体材料，研究幼穗发育期以及配比的激素组合对愈伤组织诱导发生、生长状态及其绿苗分化能力的影响。
Effect of development period of immature inflorescences and hormone compositions of different kinds and ration on callus induction, growth state and plant regeneration was studied.
在花药培养技术上，通过49个组合400个幼穗1200个颖花的研究，提出了依据植株和颖花形态判断花粉发育时期的具体指标；
Through the study of 1200 flowers of 400 young ear of 49 combinations, a concrete index judging the period of the pollen development according to the shape of plant and flowers was put forward;
与常规水稻栽培方式相比，鸭稻共作方式下水稻株高、叶面积指数、生物量有减小的趋势，而且在有效分蘖期和幼穗分化期存在着显著或极显著差异。
Compared with the CRMS, the height, leaf area index and biomass of rice in IRDFS decreased and there was a significant difference during the tillering and heading stage.
红光标准化值与叶绿素仪SPAD读数相比能更好地表征水稻幼穗期的氮素营养状况， 与常规测试指标的相关系数介于0.541～0.780之间。
Compared with SPAD readings, the normalized redness intensity (NRI), with a high rvalue of 0.541-0.780 with conventional N parameters, could better express the N status of rice.
红光标准化值与叶绿素仪SPAD读数相比能更好地表征水稻幼穗期的氮素营养状况， 与常规测试指标的相关系数介于0.541～0.780之间。
Compared with SPAD readings, the normalized redness intensity (NRI), with a high rvalue of 0.541-0.780 with conventional N parameters, could better express the N status of rice.
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