Investigating the effects of ontogenetic stage and leaf age on leaf traits is important for understanding the utilizatio......

Maize rough disease dwarf disease (MRDD) , was a serious viral disease transmitted by small brown planthopper (SBPH) (La......

In order to study the responding of different growth state on low temperature in Broccoli (Brassica oleracea var. italic......

玉米叶片生长同其他器官的生长发育明显相关，根据叶龄的不同差数期，即可判断植株体内器官的发育进程，利用叶龄差数指标确定的促控栽培......

在华南农业大学教学试验场栽植粤顶９号玉米按４．５万株／ｈｍ＾２与６．７５万株／ｈｍ＾２种密度，结果表明低密度下穗粒性状有改善的趋势，但未达到显著程度。植株总叶龄......

烤烟成熟期净光合速率随烟叶部位的上升而增强,随成熟度的加深而降低。叶龄与净光合速率呈极显著负相关。光合产量为中部叶最大,中......