毕业论文农学-吾爱文库网 关键词:玉米品种;根系活力;产量关系。 [gap=892]Key words: Maize; root activity; production;
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玉米品种识别 Corn species identification
玉米新品种 new corn variety ; new maize variety ; new maize varieties
玉米新品种介绍 Modcrn Agriculture
适合青饲的玉米新品种 Modcrn Agriculture
Maize varieties of strong drought resistance have stronger osmotic adjustment ability than those of weak drought resistance.5.
抗旱性强的玉米品种渗透调节能力强于抗旱性弱的品种。
参考来源 - 玉米抗旱机制及鉴定指标筛选的研究Developing and extension of density-tolerant maize variety,depending population yield on increasing unit yield was an inevitable trend in increasing unit yield further.
选育和推广耐密植玉米品种,依靠群体产量来增加单产是进一步提高玉米生产水平的必然趋势。
参考来源 - 不同耐密性玉米的密植效应及耐密性遗传规律研究In summary, this research may obtain the following:POD, PPO, PAL enzyme activity and the corn variety’s disease resistance is related. These defense enzyme’s enzyme may take fast examination variety disease resistance exactly target indoor.
综上所述,本研究可得出以下结论:POD, PPO, PAL酶活性与玉米品种的抗病性呈正相关趋势,这些防御酶的酶活可以作为室内快速检测品种抗病性的指标。
参考来源 - 不同玉米品种抗病性与相关酶活性的研究Twenty summer maize hybrids that were planted widely in China were selected to study the relations of root and stem characters with lodging resistance.
选取20个代表性的夏玉米品种,研究了根茎主要性状与倒伏性的关系。
参考来源 - 夏玉米根茎主要性状与倒伏性的关系研究Take two surface pictures of corn seed and research feature parameters of two surfaces and their influence.7 The corn breed is identified by three layer BP neural network.
6、对一粒玉米种子两面各拍一幅图像,研究两面特征,分析它们之间差异及对品种特征的影响。 7、用三层BP神经网络识别玉米品种,通过训练确定网络参数,优化组合输入参数,识别率为93%。
参考来源 - 玉米品种的计算机视觉识别研究·2,447,543篇论文数据,部分数据来源于NoteExpress
某些转基因玉米品种可以生产一种天然杀虫剂,保护玉米免受以玉米为食的昆虫的侵害。
Certain genetically modified strains of maize produce a natural insecticide that protects against maize-eating insects.
两种相同玉米品种都接种了固氮螺菌。
The two common corn cultivars were inoculated with Azospirillum brasilense.
Monsanto公司于1997年推出的玉米品种抗多种害虫。
In 1997 Monsanto introduced a variety of corn resistant to various pests.
That meant that people growing corn were less-- less vulnerable to having things wipe out entire crops because there were different types of crops planted around the world, so the world corn supply would never be threatened by anything.
也就是说只要人们种植玉米,整个粮食体系就不可能那么轻易被摧毁,由于世界各地种植着不同品种的玉米,世界玉米供应不会受到任何影响
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