Corn Analysis and Thousand Grain Weight Autoanalyzer's Analytical Advantages for 1000-grain Weight

The contribution of the leaves to their grain yield is very large. In addition to other leaf tissues, they also have photosynthetic ability. After flowering, the green stems, sheaths, glumes and awns are in favorable photosynthetic positions and have actual or potential photosynthetic capacity. Especially in the late stage of plant growth, the leaves lose their photosynthetic capacity gradually. Therefore, the whole plant photosynthetic production potential of crops needs to be fully exploited. For the analysis of 1000-grain weight, it is necessary to use maize test seeds and 1000-grain weight autoanalyzer to perform auxiliary analysis.

After maturation, the single stems of different treatments were brought back to the laboratory and artificially stripped from the grains at the base of the spikelets in the middle of the ears. Since the middle grains were well developed, the pollination was uniform and the growth was consistent, 10 grains per panicle were used, and the 100-grain weight was measured and converted into 1000-grain weight. The 1000-grain weight among different varieties reached significant difference. After analysis of variance, the effects of different treatments on 1000-grain weight were significantly different. Shading treatment had the greatest impact on 1000-grain weight, and there were certain differences among different varieties. The smallest, only 34.70g, Zhoumai 18's 1000-grain weight is the largest, reaching 42g; sets of transparent bags under the treatment of Wenmai 6's 1000-grain weight is the lowest. No matter what kind of treatment of wheat varieties of 1000-grain weight have varying degrees of impact, resulting in 1000-grain weight Reductions in the removal of the flag leaf and the decrepitation of the two leaves had little effect on the 1000-grain weight reduction.

There was a significant difference between 1000-grain weight and number of grains per spike among different varieties. Corn tester and automatic analyzer of 1000-grain weight were used in this experiment. The number of grains per panicle of Bannong 898 and Zhoumai 18 was less, but the 1000-grain weight was higher, which may be related to the three factors of yield. Coordinating and Nutritional Distribution Relevant. In the middle and early March of the year of the test treatment, the extremely low temperature of -5°C occurred at the jointing stage of wheat, which caused the young ears of most wheat varieties to be frozen, and the seed setting rate decreased significantly.

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