1) Top-three leaves
上三叶
1.
Relation between Characters of the Top-three Leaves and Yield and Its Compositions of Wheat;
小麦上三叶性状与产量及其构成因素的关系
2) Characteristics of top-three leaves
上三叶特征
3) disposal ratios of upper leaves
上三叶配置比例
1.
The results showed that various cultivars were different in disposal ratios of upper leaves, There were positive correlations between the length/width ratios of upper leaves and grain yield,negative correlations between the length ratios,width ratios,area ratios of upper leaves and yield potential.
选用不同株型、叶型的小麦品种 (系 ) 1 0个 ,研究了上三叶配置比例特点及与产量性状的相关、遗传参数和选择效果。
6) Clover leaves
三叶草叶片
1.
[Method] Clover leaves with basically same growth vigor were taken as materials to determine itself luminescence.
[目的]比较X射线和荧光对三叶草叶片超微弱发光的影响。
补充资料：埃及三叶(Egyptian clover)
埃及三叶(Egyptian clover)
豆科三叶草属的一个种，学名Trifolium alexandrium L.，一年生或越年生牧草。又名亚历山大叶草。原产地中海地区。为埃及最重要的饲料作物。
主根明显，茎直立中空，高50-70cm，分枝多。叶柄短，小叶长圆形，叶缘有浅齿，先端尖。头形总状花序，花白或淡黄色，自花授粉。种子黄或黄褐色，千粒重2-3g。喜温暖湿润、无霜冻气候。春季日平均温度达17℃，就可生长茂盛：冬季低温在-6℃以下地区不宜种植。耐热耐旱，耐湿耐盐碱性较强，能在中国中南部滨海盐碱地上生长。秋播，每公顷播种量15-25kg，播深2cm。再生力强，产量高，柔嫩多汁，为家畜所喜食。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条