Abstract:Luodou No.8 is a new summer soybean variety with high‑yield,disease‑resistance and high‑quality bred by Luoyang Academy of Agricultural and Forestry Sciences through sexual hybridization and pedigree method with Yudou No.23 as female parent and Zheng 120 as male parent.It was approved by Henan Crop Variety Approval Committee in 2024(Approval number:Yushendou 20241017).In this paper,the breeding process,characteristics and cultivation techniques of Luodou No.8 were described in detail,aiming to provide technical support for the large‑scale planting and promotion of Luodou No.8.

Abstract:This study explored the performance of fresh corn varieties resowed in melon fields in Hami City,Xinjiang Uygur Autonomous Region,to screen out high-quality fresh corn varieties that are suitable for the local ecological,soil,and climatic conditions for resowing.Twelve varieties of fresh corn(Kennuoyu 4008,XS9056,Mihuatiannuo 3,Mitiannuo 4,Mitiannuo 1,Meiyu 27,Zhenzaoshangshi,Meiyu 16,Zhentiannuo 108,Tianguinuo 937,Zhenjinnuo 199,and Jinuo 181)were selected for variety screening,and the fertility period,agronomic traits in the field,pests and diseases,cob traits,and yield traits were recorded.The results showed that there were differences in fertility,field agronomic traits,pests and diseases,cob and yield traits among different edible corn varieties.In terms of fertility period,XS9056,Mitiannuo 4,Zhenzaoshangshi and Jinuo 181 had shorter fertility periods;in terms of field agronomic traits,Mitiannuo 4,Zhenzaoshangshii and Tianguinuo 937 had higher double cob rates;in terms of diseases and pests,except for Zhentiannuo 108,Zhenjinnuo 199 and Meiyu 27,no pests or diseases were found in any of the other varieties;in terms of cob characters,Meiyu 27 had the largest spike length and spike thickness,Kennuoyu 4008 had the largest number of grains in rows and the largest number of grains in spikes,Jinuoyu 181 had a shorter bald tip length,and Jinuoyu 181 and XS9056 had the largest number of rows in spikes;in terms of yield traits,XS9056,Mitiannuo 4,Zhenzaoshangshi and Jinuo 181 had higher fresh fruit spike equivalent yields.By comprehensive evaluation,Mitiannuo 4,XS9056,Jinuo 181 and Zhenzaoshangshi are fresh corn varieties suitable for planting in melon fields in Hami City and similar ecological regions,the best sowing period being June 25—July 10th.

Abstract:Cultivation conditions and yield dates in different soil and areas of wheat variety Fanmai 8 on the Huangfan farm from 2009 to 2024 were analyzed,and the key points of high yield management technology of Fanmai 8 were summarized.The results showed that the yield of Fanmai 8 in Xihua County was 8 977.7 kg/ha from 2009 to 2024,which was higher than that in Fugou County(8 715.9 kg/ha).The yield of Fanmai 8 in clay land was 9 053.1 kg/ha,which was higher than that in sandy land(8 678.8 kg/ha).From the yield distribution,the annual yield of Fanmai 8 was generally 8 250-9 750 kg/ha,which had the potential to break through 9 750-11 250 kg/ha,and it could exert the potential of increasing yield in Fugou County and sandy soil area.In addition,according to the cultivation situation,the key points of high yield management technology of Fanmai 8 from sowing to regreening stage,from regreening to heading stage and from heading to maturity stage were put forward,so as to provide references for farmers.

Abstract:In order to understand the status of the germplasm resources of Amanita in the mountainous areas of Henan Province,a systematic survey was conducted in 2021-2023 in Taihang,Funiu,Tongbai and Dabie Mountains,aiming to record and categorize their morphological characteristics,ecological information,and virulence.Preliminary investigation showed that there were 36 kinds of Amanita,among them there were 26 kinds of poisonous Amanita,including 10 kinds of highly toxic Amanita and 16 kinds of weakly toxic Amanita,which accounted for 72.22%;4 kinds of Amanita with unknown use,which accounted for 11.11%;and 6 kinds of edible Amanita,which accounted for 16.67%.From the morphological characteristics,most of the Amanita were toxic,edible Amanita accounted for a relatively small proportion,and there was an overlap between highly toxic Amanita and edible Amanita in terms of morphological characteristics,which made it difficult for non-professionals to accurately differentiate between them.From the ecological information,there were various kinds of Amanita in the mountainous areas of Henan Province,with 15 kinds of Amanita in Funiu Mountains,12 kinds of Amanita in Taihang Mountains,8 kinds of Amanita in Tongbai Mountains,and 10 kinds of Amanita in Dabie Mountains.Understanding the germplasm resources of Amanita in mountainous areas,is helpful to strengthen the popularization of science education to the public,avoiding the occurrence of accidental food poisoning,and can provide an important scientific basis for the protection of wild mushroom resources and food safety in Henan Province.

Abstract:In order to screen high-yield and high-quality alfalfa varieties suitable for spring sowing in western Henan,the 27 alfalfa varieties from home and abroad(Strong hold,Reindeer,Juneng 995,WL440,SW8421S,SW425,SW6330,WL363HQ,WL919,Andona,Juneng 601,Jinneng 5010,Longdong,Juneng 418,hf2110,Jinneng 211,Claudie,Saidi NO.10,601,SW5213,SW9720,Ausin118,Juneng Salt-tolerant Star,Jinneng 4.2,Caoyuan NO.3,Jinneng 806,Aohan)were selected and were cut for four times.The plant height,fresh yield,hay yield,fresh-dry ratio,stem mass,leaf mass,stem-leaf ratio,crude ash content,crude protein content,crude fat content,neutral detergent fiber content,acid detergent fiber content,relative feeding value,equal weight correlation degree and weighted correlation degree were investigated and calculated.The 27 alfalfa varieties were comprehensively evaluated by variance analysis,correlation analysis and grey correlation analysis.The results showed that the first crop of SW9720,the second crop of Jinneng 806,the third crop of WL919,the fourth crop of Saidi NO.10 had higher plant height.In terms of fresh yield,the first,second and fourth crops of Juneng 601 and the third crop of Juneng 995 had higher fresh yield,Juneng 601,WL440,Juneng 995 and WL919 had higher fresh yield throughout the year.In terms of hay yield,the first crop of Reindeer,the second crop of Juneng 601,the third crop of WL363HQ and the fourth crop of Strong hold had higher hay yield,Juneng 601,Juneng 995,WL363HQ and Strong hold had higher hay yield throughout the year.In terms of fresh-dry ratio,the first crop of WL440,the second crop of SW8421S,the third crop of Caoyuan NO.3 and the fourth crop of Jinneng 211 had higher fresh-dry ratio.In terms of correlation of agronomic traits,plant height was significantly positively correlated with stem mass and leaf mass,and extremely significantly positively correlated with fresh yield and hay yield.The stem-leaf ratio was extremely significantly negatively correlated with leaf mass and extremely significantly positively correlated with stem mass.The fresh yield was extremely significantly positively correlated with hay yield,stem mass and leaf mass.The hay yield was extremely significantly positively correlated with stem mass and leaf mass.In terms of nutritional components and relative feeding value,Juneng 418 had the highest crude ash content,WL440 had the highest crude protein content,Aohan had the highest crude fat content,Jineng 5010 had the highest neutral detergent fiber content,SW6330 and Caoyuan NO.3 had relatively high acidic detergent fiber content,and WL440 had the highest relative feeding value.In terms of perspective of comprehensive performance evaluation,the equal weighted correlation degree and weighted correlation degree of WL440,Juneng 601,WL919,Jinneng 4.2 and Juneng 995 were higher.By comprehensive evaluation,Juneng 601,WL440 and WL919 have high yield,high feeding value and yield stability of cutting stubble,which are suitable for planting in western Henan.

Abstract:To address the phenomenon of unbalanced fertilization and low fertilizer utilization of maize in central Henan area,we selected maize Beiqing 340 as the test variety and conducted a field experiment in Kangcheng Village,Yuzhou,Henan Province,and set up a total of 9 treatments,including no fertilization,optimized fertilization with nitrogen deficiency,optimized fertilization with phosphorus deficiency,optimized fertilization with potassium deficiency,optimized fertilization with all fertilizers,habitual fertilization with nitrogen deficiency,habitual fertilization with phosphorus deficiency,habitual fertilization with potassium deficiency,and habitual fertilization with all fertilizers to study the effects of optimized fertilization on maize yield,nutrient uptake,and fertilizer utilization.The results showed that the fertilizer utilization rates of optimized fertilization with all fertilizers treatment were 28.02%for N,22.16%for P2O5,and 56.04%for K2O,while the fertilizer utilization rates of habitual fertilization with all fertilizers treatment were lower,which were 8.67%for N,17.79%for P2O5,and 19.87%for K2O,respectively.The former was 19.35,4.37 and 36.17 percentage points higher than the latter,respectively.The maize yield in the optimized fertilization with all fertilizer treatment reached 7 424.89 kg/ha,which was 74.28%higher than the no fertilization treatment.It could be seen that the optimized fertilization with all fertilizers treatment was beneficial to the improvement of fertilizer utilization,and the yield of the optimized fertilization with all fertilizers treatment was significantly higher than the habitual fertilization with all fertilizers and no fertilizer treatments.

Abstract:The principles and suggestions on the distribution and utilization of wheat varieties in 2023-2024 were put forward in view of the northern wheat area,the south-central wheat area,the eastern wheat area,the southern wheat area and the dry wheat area,so as to lay the foundation for the high and stable yield of wheat in the whole province.

Abstract:Through large-scale field experiments,the effects of different micronutrients on the agricultural characteristics,nutrient absorption and yield of chili peppers were studied,aiming to provide a rational basis for the spray application of micronutrients in chili leaf fertilizers.Four treatments are set up:control(spraying an equal amount of water),boron fertilizer(boric acid at 225 g/ha),zinc fertilizer(zinc sulfate at 225 g/ha),and calcium fertilizer(calcium nitrate at 450 g/ha).The results showed that the yield of the control treatment was 2 016.7 kg/ha,while that of the boron fertilizer treatment was 2 400.00 kg/ha.The yields of the zinc and calcium fertilizer treatments were 2 100.00 kg/ha and 2 055.56 kg/ha,respectively.The increase in yield was greatest with boron fertilizer(19.0%)and least with calcium fertilizer(1.9%).The percentages of second-grade fruits for the control,boron,zinc,and calcium treatments were 20.16%,11.70%,5.43%,and 5.42%,respectively.Zinc and calcium fertilizers could significantly reduce the percentage of second-grade fruits.

Abstract:According to the investigation of autumn crop production,new variety tests and demonstration by the comprehensive survey of the Henan Province Major Crop Variety Review Committees and agriculture experts,combined with the statistical results of various cities,the situation and characteristics of autumn crop production and utilization and layout of variety in 2024 were analyzed to put forward guidance and reference for the selection and utilization of autumn crop varieties in Henan Province in 2025.