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At the beginning of silking, maize production began to form, but leaves started senescence and photosynthetic capacity decreased at this time, all of those severely restricted the formation of the production. In order to study the effects of exogenous substances on the process of leaf senescence, 40 mg • L−1 DCPTA and 20 mg • L−1 CCC were mixed in the research. When the maize grew to the six expanded...
Environmental safety issues involved in transgenic plants have become the concern of researchers, practitioners and policy makers in recent years. Potential differences between Bt maize (ND1324 and ND2353 expressing the insecticidal Cry1Ab protein) and near-isogenic non-Bt varieties (ND1392 and ND223) in their influence on the composite microbial system of MC1 during the fermentation process were...
DCPTA (2-diethylaminoethyl-3, 4-dichlorophenylether) is a new plant regulator which can be used to regulate growth and development for crops. Experiments on maize seedlings were conducted in the growth chamber to study the effects of foliar applied DCPTA. The plant pots were placed in a completely randomized design with three replicates. The maize seedlings were treated with 0 mg • L −1 (control),...
Three varieties were employed as materials to study changes of photosynthetic traits under low-temperature stress. The results showed that Pn, Gs and Tr decreased under low-temperature treatment. Ci decreased under low-temperature treatment 18°C/9°C, and 16°C/7°C, and it decreased in earlier stage after increased under 14°C/5°C. WUE was increased in earlier stage and after stabilized. The order of...
With the development of China's market economy, the international grain supply situation is increasingly tense, and the grain has been regarded as an important international strategic resource in the international market. Due to the reduction of international grain output and expected inflation, the gap between maize supply shortage and increasing demand is apparent in China, so that China is described...
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