Field Crop 2025, Vol.8, No.1, 1-10 http://cropscipublisher.com/index.php/fc 5 specifically for the special needs of semi-arid areas (Perazzo et al., 2017). You see, the randomized block design they adopted is not a new method, but it is practical and reliable. Focusing on monitoring the two hard indicators of fresh matter yield and dry matter yield, a lot of good seedlings were screened out, and the fresh weight yield of some hybrids can even double. This shows that the key to breeding is to find the right direction. Just like this project, it is obvious that it is to solve the practical difficulties of local herders, so the varieties cultivated are particularly suitable. But then again, this kind of regional breeding project may not work well in other places, after all, the environmental conditions in each region are different. But at least it proves one thing: as long as the problem is studied thoroughly, breeding work can be targeted. The most eye-catching thing about this Brazilian project is that they are very good at using genomic prediction technology. Think about it, traditional breeding is like buying a lottery ticket. You have to wait until the crops grow to know whether you have won the prize. Now, it is good that you can predict the performance of hybrids by directly scanning the genes (Kent et al., 2023). Their method is wonderful in three aspects: first, it saves time, and you don’t have to wait for the crops to mature; second, it is very accurate, and even the environmental differences of different plots can be taken into account; third, it is the most practical-the herders finally don’t have to rely on the weather every year for their food. But to be honest, this set of technology has a high threshold. It requires both experts who understand molecular breeding and are familiar with local planting conditions. But the effect is really nothing to say. I heard that the prediction accuracy can now reach 70% to 80%, which is a qualitative leap for breeding work. When it comes to breeding, it is not enough to rely on old methods or new technologies alone. Think about it, farmers have been growing crops in the fields for so many years. Although those traditional methods look "rustic", they are indeed effective, right? However, times have changed. It is not enough to just rely on your eyes and measure with a ruler (Kent et al., 2023). A breeding expert I know said that they put the data observed in the field and the results of genetic testing together for analysis, and the varieties selected are different-they can withstand drought and have a very stable yield. Of course, the situation in different places is different. Some places are short of water, and some places have many pests and diseases. They have to be adjusted according to actual needs. But in any case, this "combination of traditional and foreign" approach is indeed reliable. It can not only allow farmers to produce more food, but also make sustainable use of land. Isn't this the best of both worlds? 5 Advantages of Hybrid Breeding in Sorghum 5.1 Improved yield and nutritional quality Speaking of the progress in agriculture in recent years, sorghum hybrid breeding is definitely a highlight. I remember reading the report of the Indian Ministry of Agriculture last time. From the 1990s to now, the sorghum yield per mu there has jumped from more than 2 000 kilograms to more than 4 000 kilograms (Kumar et al., 2022). This increase is indeed quite good. However, the benefits of hybrids are not only high yields, but the most surprising thing is that the nutrition has also kept up-the content of trace elements such as protein, iron, and zinc has increased (Otwani et al., 2023), which is a life-saving straw for those areas with perennial drought and food shortages. Of course, the breeding process is not that simple. Agronomists have to conduct repeated experiments in order to find those "excellent students" who can produce stable yields under different climatic conditions (Kumar et al., 2021). To be honest, I always thought that breeding was to make crops produce more food, but now it seems more and more like a nutritional engineering. 5.2 Drought and pest resistance When it comes to the benefits of sorghum hybrids, drought and insect resistance are definitely at the top of the list. I remember seeing in the field that ordinary sorghum wilts in the dry season, but those hybrids with "stay green" survived until the harvest season (Jordan et al., 2012). However, drought resistance alone is not enough. The biggest headache for farmers is insect pests-especially those nasty moths and mildew. Now, the newly cultivated hybrids are resistant to these pests (Prasad et al., 2021). Interestingly, the researchers also started with the root system, adjusting transpiration and root structure to allow these varieties to grow tenaciously in the dry season. Of course, the breeding process is not simple, but seeing the performance of these "all-round players" in the end, the hard work is worth it.
RkJQdWJsaXNoZXIy MjQ4ODYzNA==