What should we pay attention to when wheat is about to be sown in southwestern Shandong?

Abstract: winter wheat is about to be sown, what problems should be paid attention to in southwestern Shandong?

Southwest Shandong mainly includes Heze, Jining, Zaozhuang and other places, involving 5 cities and 28 counties. Southwest Shandong is an important wheat planting area in China, accounting for about 30% of the whole wheat area of Shandong Province. including the southwest plain of Shandong Province, the lowland along the lake and the Piedmont plain. Let's first take a look at the climatic characteristics of southwestern Shandong.

Southwest Shandong belongs to the characteristics of semi-humid climate, which is dry in spring and early summer, there are more Rain Water in midsummer, and the flood disaster is more serious, especially in the low-lying areas along the lake, there are waterlogging almost every year. According to the climatic characteristics of southwest Shandong, when planting wheat, we should pay attention to the word "early". We should not only sow in advance, but also choose suitable varieties and mature in time.

Why do we choose early sowing wheat varieties in southwestern Shandong? let's take a look at the following analysis.

The wheat sown in the middle of October in southwest Shandong began to differentiate in the middle of November and ended in the middle of April of the following year. On the other hand, the young panicle differentiation time of late sowing varieties was short and started late, and it began to differentiate in late December. The later the sowing time was, the later the differentiation time was, which was very disadvantageous to the growth of wheat.

The late differentiation of late sowing wheat will cause heading, flowering and grain filling about 5 days later than early sowing wheat. If unfavorable climatic conditions are encountered in late May, late sowing varieties will inevitably lead to the decrease of 1000-grain weight.

Wheat varieties recommended in southwestern Shandong:

The first is the old variety, Jining series, mainly mention Jining 12, which is a winter wheat selected by Jining Academy of Agricultural Sciences in 1986. After so many years of production promotion and development, still standing, it must have its own great advantages, such as moisture resistance, saline-alkali resistance, good disease resistance, aphid resistance, dry and hot wind resistance, stable yield. It is also planted not only in southwest Shandong, but also in northern Henan, northern Anhui, northern Jiangsu and other places.

In 2005, the average yield per unit area in Shandong Province was 541 kg, which was 11% higher than that of Lumai 14. Sowing seeds at the right time from October 5th to 10th of each year, if the weather is not beautiful and the weather is dry, it can be postponed at the right time, and the sowing amount can be increased a little when sowing late.

The second Tainong series, take Tainong 18 as an example. Tainong 18 is a wheat variety cultivated by Ruifeng crop breeding Research Institute in Tai'an City, Shandong Province. it was examined and approved by the crop Variety approval Committee of Shandong Province in 2008. In the experiment conducted in southwestern Shandong in 2008, the per unit yield reached more than 737 kg. It reached the record of the highest per unit yield in southwestern Shandong at that time, which fully proved the yield-increasing potential of this variety.

Of course, the yield stability of the variety with high yield is somewhat imperfect. The variety is susceptible to powdery mildew, sheath blight and leaf rust. If the planting area is prone to infection, choose the variety carefully.

The third is the Jimai series, mainly taking Jimai 22 as an example. Jimai 22 is a medium gluten wheat variety selected by Shandong Academy of Agricultural Sciences. It was approved by Shandong Province in 2006 and is suitable for planting in Huaibei and Huang-Huai areas. Compared with the Tainong series, it is also an old variety. In the variety experiment in 04-06, the yield per mu was about 540 kg, in 2006? The state experiment reached an astonishing 727 kilograms. Moderately resistant to stripe rust, moderately resistant to powdery mildew, susceptible to leaf rust, scab and sheath blight. It is also a high-quality choice for wheat planting in southwestern Shandong.

Good wheat varieties should have appropriate cultivation techniques, and if they do a good job in timely sowing, chemical fertilization and prevention of diseases and insect pests, they will certainly have a very good harvest.

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