Advances in Photosynthetic Characteristics of Peanut

Peanut is an important oil crop and economic crop in China. In this pa- per, the status and advances of the factors affecting peanut photosynthesis, such as light intensity, temperature, carbon dioxide concentration, water deficit and fertility situation, the relationship between peanut photosynthetic rate and different cultivation system, and the relationship between peanut photosynthetic rate and varieties yield potential, were deeply reviewed, expecting to provide references for peanut variety breeding with high photosynthetic efficiency and high yield potential.

生物领域抗虫转基因棉花获重要进展

我国“863”生物领域的科学家们经过近一年时间的努力,最近在抗虫棉花基因转化这个“瓶颈口”技术难关方面取得突破。 该技术将我国自己合成和修饰改造的苏云金杆菌毒素蛋白基因(Bt基因)和胰蛋白酶抑制剂基因(Cpt基因)成功地导入晋棉7号、冀合321、泗棉3号和中棉12号等生产用品种中。

矮晚柚开发前景迷人

柚子是我国南方的优良水果之一,深受人们喜爱,但一般品种植株高达4—5米,树冠直径一般在4米左右,给整形修剪、采果、防治病虫害等带来极大不便,且每亩只能栽40株左右,亩产值不高。