Variety characteristics: nut diameter is 3.93 cm, shell thickness is 1.2 mm, single fruit weight is 17.3 g, kernel weight is 10.2 g, the kernel rate is 59%, the kernel is easy to take, and the kernel is yellow and white, which is extremely full. The fruit is large, with good flavor and beautiful appearance, and has strong adaptability to the opposite conditions and climatic factors. The kernel yield per square meter of crown projection area is 566 grams, and the yield is good.

Key points of cultivation techniques: grafting propagation. Afforestation with 1-2 year old grafted seedlings. Dig 80×80×60 cm open hole, backfill topsoil, apply sufficient base fertilizer, stir evenly, and then sow. Weeding and loosening soil 3-4 times a year, topdressing in March-April and May-June 1 time; Turn over the soil before defoliation, and then apply organic fertilizer. According to the growth situation, timely pruning and pest control.

Suitable planting range The northern and northwestern edges of Sichuan Basin (Longmenshan, Micangshan and Dabashan) are suitable for walnut planting.

He Chuan No.2 (Walnut)

Variety characteristics: nut diameter is 3.67cm, shell thickness is1.2mm, single fruit weight is12.8g, kernel weight is 7.35g, and kernel yield is 57.6%. Nuts are easy to pick, and the nuts are lavender and full. The fruit is big, fragrant, but a little astringent. Strong adaptability, water and humidity resistance, strong ability to resist pests and diseases. The grain yield per square meter of crown projection area is 2 10g, and the yield is good.

Key points of cultivation techniques: grafting propagation. Afforestation with 1-2 year old grafted seedlings. Dig 80×80×60 cm open hole, backfill topsoil, apply sufficient base fertilizer, stir evenly, and then sow. Weeding and loosening soil 3-4 times a year, topdressing in March-April and May-June 1 time; Turn over the soil before defoliation, and then apply organic fertilizer. {HotTag} will prune, reshape and prevent pests and diseases according to the growth situation.

Suitable planting range The northern and northwestern edges of Sichuan Basin (Longmenshan, Micangshan and Dabashan) are suitable for walnut planting.

Early summer (walnut)

Variety characteristics: the diameter of nuts is 3.34 cm, the average single fruit weight is 1 1.82 g, the shell thickness is 1. 1 mm, the kernel weight is 6. 14 g, and the kernel yield is 5 1.9%. Nut contains 73.65% crude fat and crude protein 10.27%. The seeds are full, dark yellow in color, easy to take, rich in fragrance and light in astringency. This variety has mature fruit and early maturity in summer.

According to the requirements of high-yield cultivation techniques of walnut, the key points of cultivation techniques were implemented.

Suitable planting range is suitable for popularization and application in deep mountains and low mountains in northern Sichuan Basin.

Shahe walnut

Variety characteristics: the third diameter of nuts is 3.62 cm, the average single fruit weight is 13. 19 g, the shell thickness is 0.9 mm, the kernel weight is 7.66 g, and the kernel yield is 58. 1%. Nuts contain 70.0 1% crude fat and 2.20% crude protein/kloc-0. The seed kernel is full, dark yellow in color, easy to take kernel, slightly astringent and fragrant.

According to the requirements of high-yield cultivation techniques of walnut, the key points of cultivation techniques were implemented.

Suitable planting range is suitable for popularization and application in the suitable distribution area of low Carya cathayensis in northern Sichuan.