Corn seeds Xiangyu 218 and 558 are better than that?

Characteristics: 127 days from seedling emergence to maturity, 1 day later than the control Nongfu 66. The seedling leaf sheath is purple and the leaves are green. The glume shell is green, the male panicle has 3-5 first-class branches, anthers.

Yellow, filaments light purple, stems green. The plant type is semi-compact, with a height of 288 cm, an ear position of 102 cm, and a number of leaves of 20. Fruit panicle cone, spike length cm, spike thickness cm, bald tip cm, spike row 16-18, grain number in rows, seed yield, cob red.

The grains are yellow, horsetooth-shaped, and weigh 100 grams. Inoculation identification, high resistance to silk smut, stem orange filicillary rot, medium resistance.

Spot disease, susceptible curvular leaf spot, corn borer.

Quality analysis, the grain vertical ballast contains crude protein, crude fat, crude starch, lysine.

Bulk weight 758g l. This variety is a high-starch corn variety.

Yield performance: In 2016, we participated in the regional test of the medium maturity group, and the average yield per mu was kg, which was higher than that of the control; In 2017, he participated in the regional test of the medium maturity group, and the average yield per mu was kilograms, which was higher than that of the control. In 2018, it participated in the production test of the medium maturity group, and the average yield per mu was kilograms, which was higher than that of the control.

Key points of planting round and leakage cultivation technology: sowing at the end of April to early May, seed coating; The cultivation density is 4500 acres; Apply 2000-3000 kg of farmhouse fertilizer per mu as base fertilizer and compound fertilizer.

35 kg of base fertilizer, late June, the big bell mouth period per mu of urea.

25 kg; Or apply 50 kg of corn special fertilizer at one time before sowing to make base fertilizer (pay attention to seed fertilizer isolation).

Precautions: Pay attention to the prevention and control of corn borer and curvature leaf spot.

Approval opinion: After approval, it is suitable for planting in 10 areas of Inner Mongolia Autonomous Region with an active accumulated temperature of more than 2650.

Xiangyu 998 corn variety is a common corn variety. The first leaf sheath of this variety is purple at the seedling stage, the leaves are green, and the stems are green. The plant height is 315cm, the ear height is 129cm, and 18 leaves can be seen in the adult plant.

The fruit spike is cylindrical, the cob is red, the spike is long, the spike is thick, the number of spike rows is 16-18 rows, the grain is tinent, yellow, and the weight of 100 grains is grams.

Yuxiang Jade 998 meters featuresYuxiangyu 998 takes 127 days from seedling emergence to maturity, and requires 10 active accumulated temperatures of 2700, which is a medium and late maturing common corn variety. Seedlings are green, leaf sheaths purple, leaf margins green, anthers purple. The plant type is semi-compact, with a height of centimeters, an ear of centimeters, and the number of adult leaves is 20.

The filaments are light pink, the spikes are cylindrical, the spikes are cm long, the number of spike rows is 16 18 rows, and the cob is red.

The grains are yellow, horsetooth-shaped, and weigh 100 grams. Identification of disease (insect) resistance by artificial inoculation, high resistance to stem rot, medium resistance to silk smut and Curvularia leaf spot, susceptibility to large spot disease and corn borer. Grain bulk weight 726 g liters, crude protein content, crude fat content, crude starch content, lysine content.

<> Xiangyu 878 has a growth period of about one day, the plant type is semi-compact, the plant height is 278cm, the ear height is 111cm, a total of 19 pieces, the fruit spike is long and cylindrical, the spike length is about, the number of spike rows is 14-18 rows, the spike thickness is about, the cob is red, the grain is yellow, semi-dentate, the weight of 100 grains is about 100 grains, the average yield is mu in the regional test of the middle and early maturing spring maize group in North East China, and the average yield is mu in the production test in 2020.

First, the basic introduction of Xiangyu 878 varieties

2. Plant characteristics: the plant type is semi-compact, the plant height is about 278cm, and the ear height is about 111cm. The seedling leaf sheath is purple, the leaf is green, the leaf margin is purple, and the anthers are disguised.

Light yellow, glume shell green. There are a total of 19 leaves in the adult plant, the fruit spike is long and cylindrical, the spike length is about, the number of spike rows is 14-18 rows, the spike thickness is about, the spike is red, the grain is yellow, semi-dentate, and the weight of 100 grains is about.

3. Growth period: In the regional test of the middle and early maturing spring maize group in North East China, it was about one day from emergence to maturity, which was about 27 days early maturing compared with Jidan 27 in the control group.

4. Grain quality: grain bulk weight 774g l, crude protein content, crude fat content, crude starch content, lysine.

Content. 5. Disease resistance: The results of inoculation identification were susceptible to large spot disease, silk smut, gray spot, stem rot and ear rot.

6. Yield performance: 2019-2020 green channel of mid-early maturing spring maize group in North East China.

In the regional experiment, the two-year average yield was per mu, which was higher than that of Xinxin No. 1 in the control group. In the production test in 2020, the average yield was per mu, which was higher than that of Xinxin No. 1 in the control group.

Second, Xiangyu 878 cultivation technology points

2. Planting density: Under normal circumstances, 4000-4500 plants are planted per mu, and the specific density needs to be adjusted according to local water and fertilizer conditions.

3. Suitable planting area: This variety is suitable for Hulunbuir City in the central and eastern part of Inner Mongolia in the middle and early maturing spring maize type area of North East China.

South, central and northern part of the Hung Yen League, Tongliao City.

The north-central part of the Zalut Banner, Ulanqab City.

Qianshan, Chifeng City.

The central and northern parts of the country, the north of Hohhot City, the north of Baotou City and other mid-morning halls and stools are ripe in the middle and early areas, the second accumulated temperate zone of Heilongjiang Province, some areas of Yanbian Prefecture and Baishan City in Jilin Province, the eastern part of Tonghua City and Jilin City, the hilly areas of Datong City, Shuozhou City, Xinzhou City, Luliang City, Taiyuan City and Yangquan City in the north-central part of Shanxi Province, the hills and rivers under the dam of Zhangjiakou City, Hebei Province, and the middle and early maturing areas of the central and southern parts of Chengde City, Plots above medium fertility in the mountainous areas of southern Ningxia at an altitude of less than 1,800 meters are planted.

4. Precautions: mainly pay attention to the prevention and control of susceptible diseases such as large spot disease, silk smut, gray spot, stem rot, ear rot, etc., and pay attention to the prevention and control of corn borer during the large bell mouth period.

The characteristics of Xiangyu 881 corn are: the new corn variety 'Xiangyu 881' has more than 60,000 seedlings per hectare, and the yield and lodging resistance have been significantly improved, and the yield can reach 10,000 kilograms, and the yield per hectare is increased by more than 1,000 kilograms. "It is a high-yielding corn variety.

The spring sowing growth period in Liaoning Province is 128 days, and it is a mid-late maize hybrid. Xiangyu 881 corn variety is semi-compact, with a plant height of about 307 cm, an ear position of about 133 cm, and an adult plant of about 21 leaves. The fruit is cylindrical, the spike length is about centimeters, the number of spike rows is 16-18 rows, the spike is white, the grains are yellow, the grain type is semi-dentate, the weight of 100 grains is about grams, and the seed yield is produced.

Lodging (folding) rate. After determination, the bulk weight of the grain was 782 grams, the crude protein content, the crude fat content, and the crude starch content. After artificial inoculation identification, medium resistance to large.

Spot disease (grade 1-5), medium resistance to gray spot (grade 1-5), resistance to curvular leaf spot (grade 1-3), medium resistance to stem rot bridge rot (diseased plant rate, susceptible silk smut (starvation and fierce disease plant rate.

Xiangyu 881 corn is a good corn variety with a characteristic plant of about 307 cm tall, an ear position of about 133 cm, and about 21 leaves. The ears of corn are cylindrical, the length of the ears is about, and the number of rows of ears is 16 to 18 rows. The corn is white, the corn kernels are yellow, the grains are semi-dental, the weight of a hundred grains is about grams, and the seed yield is rate.

Crude protein, crude fat content, crude starch content. Therefore, the characteristics of 881 corn variety are as above, which is a good variety.

Characteristics: The mid-ripening spring maize group in North East China matured from seedling to maturity days, which was 335 days later than that of the control Xianlao Yuanyu. The seedling leaf sheath is purple, the leaf is green, the leaf margin is purple, the anthers are light purple, and the shell is green.

The plant is compact, with a height of 317 cm, a height of 121 cm at the ear position, and 20 adult leaves. The fruit spike is long and cylindrical, the spike length is cm, the number of spike rows is 16 20 rows, the spike thickness is cm, the cob is red, the kernels are yellow, semi-dentate, and the weight of 100 grains is grams. Inoculation identification, susceptibility to large spot disease, susceptibility to silk smut, susceptibility to gray spot disease, medium resistance to stem rot, medium resistance to ear rot and stinging disease.

Grain bulk weight 781 g liters, crude protein content, crude fat content, crude starch content, lysine content.

The corn kernels are plump and large and especially good.

Xiangyu 881 corn is very tall and very large.

Xiangyu 878 corn is a semi-winter medium-ripening variety, the whole growth period is 230 days, the seedlings have strong cold resistance, the plant height is about 74 cm, the plant shape is semi-compact, the ear is cylindrical, the cob is white, the grain is yellow, the ear length is about cm, during the planting period, to do a good job in field management, when the seedling grows to about 30 cm, urea needs to be applied.

to chase the virtual fertilizer.

Xiangyu 878 corn is a semi-winter medium-ripening variety, the whole growth period is 230 days, the seedlings have strong cold resistance, the plant height is about 74 cm, the plant shape is semi-compact, the ear is cylindrical, the cob is white, the grain is yellow, and the ear length is about cm.

Corn can be sown in the spring or in the summer, before sowing the seeds should be mixed with pesticides to prevent underground pests, then the seeds should be sown in loose and fertile soil, covered with a thin layer of soil, and finally watered once with water.

When the corn seedlings grow to about 30 cm, urea should be applied to top dressing, and when the seedlings grow to about 40 cm, they will enter the peak growth period, at this time they need to provide a large amount of nutrients, usually applying compound fertilizer.

Top dressing again, pruning in time if the leaves of the plant grow intensively.

The temperature suitable for germination is 6-10, the seedling stage can tolerate a low temperature of minus 2, and the temperature suitable for flowering is 25-26, and corn is a short-day plant, which only needs 8-10 hours of light to flower and bear fruit.

It is a medium-late maturing variety. The seedlings are green, the leaf sheath is purple, the leaf margin is green, the anthers are purple, and the glume shell is green. The plant type is compact, the height of the plant is cm, the ear is cm, and the number of adult leaves is 20.

The filaments are light purple, the fruit spike is cylindrical, the spike is cm long, the number of spike rows is 16 18 rows, and the cob is red. Seed cherry with yellow, semi-hard grain type, 100 grains weight. Identification of disease (insect) resistance to inoculation of human spine stun workers, medium resistance to silk smut, stem rot and corn borer, susceptibility to large spot disease and Curvularia leaf spot.

Grain bulk weight 802 g liters, crude protein content, crude fat content, crude starch parallel content, lysine content.