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在土壤含热水溶性硼为０．０９ｍｇ／ｋｇ（－Ｂ）与外加硼至１．０ｍｇ／ｋｇ（＋Ｂ）的条件下，盆栽７０个陆地棉（ＧｉｏｓｙｐｉｕｍｈｉｒｓｕｔｕｍＬ）品种，以检验品种间对缺硼敏感性差异。结果表明，７０个品种的地上部干物重敏感系数（－Ｂ／＋Ｂ×１００）为２６．６～１０２之间。如以其干物重敏感系数小于５０为缺硼敏感品种，大于９０为不敏感品种，获得敏感品种３个，不敏感品种５个。在缺硼条件下叶片硼效率（单位硼所产生的干物重）与缺硼敏感系数相关性达５％水准，不敏感品种硼效率高，敏感品种硼效率低。但无论缺硼与否，吸硼量与缺硼敏感性之间没有明显相关
Under the conditions of 0.09mg / kg boron and 0.06mg / kg boron added to 1.0mg / kg (+ B) soil, 70 varieties of Gossypium hirsutum were potted in order to examine the effects of boron deficiency Sensitivity difference. The results showed that the above-ground dry matter weight-sensitivity coefficient (-B / + B × 100) of 70 cultivars ranged from 26.6 to 102. For example, the dry matter weight sensitivity coefficient of less than 50 for boron-deficient varieties, more than 90 insensitive varieties, access to sensitive varieties 3, 5 insensitive varieties. Under the condition of boron deficiency, the efficiency of boron (unit weight of dry matter produced by boron) is 5% of the sensitivity to boron deficiency, the boron efficiency of insensitive species is high, and the boron efficiency of sensitive species is low. However, no matter boron deficiency or not, there is no obvious correlation between boron absorption and boron deficiency sensitivity