您要查找的是不是：
- corn hybrid seed field 玉米杂种种子田
- Study on the Cause of Asynchronous Flowering Period and Its Predictable Method during Corn Hybrid Seed Production 玉米制种花期不遇的原因及预测方法研究
- Discussion on general character of reproduction technique of corn hybrid seed in Wuling mountain area 武陵山区玉米杂交种生产技术的共性探讨
- Later the government guaranteed loans to farmers so that they could buy farm machinery, hybrid seed and fertilizers. 以后政府又向农民提供贷款，使他们能够购买农业机械、杂交种子和化肥。
- But, the corn hybrid strain that plants on current agriculture production, some are without authorized or setting an example in the experiment in. 但是，当前农业生产上种植的玉米杂交种，有些是未经审定或正在试验示范之中的。
- Developing inbred lines by selection from the progenies of waxy corn hybrid was secondary method, which was likely to become the primary one. 利用糯玉米杂交种选育二环系已成为我国糯玉米育种的次要方法，但有可能成为主要方法。
- Seed yield was negatively associated with the distance between the seed field and the beehive. 放蜂田种子产量比对照田增产57.;2%25，种子产量与苜蓿至蜂箱的距离呈负相关性。
- Sorghum apomixe offers an opportunity for select higher output, multi-resistance, high quality hybrid seed and it is the best method of heterosis use. 高粱无融合生殖为高粱育种提供了选育更高产量、具有多种抗性、品质优良的杂种机会，是最理想的杂种优势利用方式。
- Some male sterile plants were found in a seed field of the carrot variety "Imperator. 在胡萝卜种株内检查出雄性不孕植株。
- The corn hybrid with rapid dry-down rate should be high starch and amy-lopectin content, low fat and glutenin content, and the percentage of embryo was small. 为获得脱水速率快的玉米，应着重选育淀粉、支链淀粉含量高，脂肪、谷蛋白含量少，胚占体积小的基因型杂交种。
- The breeding process of a food corn hybrid variety Jinnong (nuo) No. 2 was introduced, and yield characters, properties, suitable cultivation zone were studied. 摘要介绍了鲜食糯玉米单交种津农（糯）2的选育过程，研究了该品种的产量形状、品种特性和适宜种植区域。
- Cytoplasmic male sterility (CMS) and its restoration are a main pollination control system for hybrid seed production in the application of heterosis. 摘要利用杂种优势提高作物产量时，生产杂交种的主要授粉控制系统是细胞质雄性不育及其恢复系统。
- Recommend best fit of corn hybrids to market segments. 为不同市场推荐各自合适的玉米杂交种。
- The outcrossed seed setting rate was high at 48.8% in its multiplication plots and 54.1% in its hybrid seed production plots. 异交结实率较高，繁种田结实率为48.;8%25，繁制种产量高；
- Existing pollution condition of Nanping pig seed field is analyzed and compost technological route for treating pig muck to produce organic compound fertilizer is presented. 对南平市种猪场的污染现状进行了分析,提出用堆肥化的工艺路线对其猪粪进行处理,生产有机复合肥,在实际应用中取得良好效果。
- The population structure of compact corn hybrid Yu Yu 2 and Yu Yu 5 havebeen investigated in six experimental stations in 1988 and 1989 by using the or-thogonal regression gyration design. 本文利用正交回归旋转设计,以目前生产上推广应用的紧凑型玉米杂交种豫玉2号、豫玉5号为代表,两年在6个试点作了8次群体结构试验。
- Purity identification for cytoplasm male sterility three-line hybrid seeds is very important in oilseed rape seed production. 细胞质雄性不育三系杂交种的纯度鉴定是油菜种子生产中重要的一环。
- Abstract： It is an effective way to use chemical hybridizing agents (CHA) to produce hybrid seed in wheat. 摘 要： 应用化学杂交剂(CHA)诱导雄性不育是小麦杂种优势利用中一条重要而简捷的途径。
- A laboratory-scale method was used to isolate starches from high amylose,waxy and normal corn hybrids. 采用了实验室方法提取了高直链、糯性和普通玉米杂交种的淀粉,并分别进行了羟丙基化和磷酸酯化反应。
- The tow ensiling corn hybrids, being late growth duration, is limited to be popularized. 2个青贮专用玉米因生育期太晚，推广地区有限。
