Yizhi No.1 (sesame)

Yizhi No.1 sesame is a new variety of sesame introduced from the United States, which has been selected for many years. It has the characteristics of early maturity, lodging resistance, dense pod setting, high and stable yield and wide adaptability. Belongs to the single culm type variety, the general plant height is 1.5-1.8 meters, the highest is 2 meters, the individual plant bears pods densely and many. The general variety leaf spacing 5-6 cm, 1 node has 2-3 capsules, but this variety has only 2-4 cm leaf spacing, 5-7 capsules per leaf node, 1-2 times more capsules per plant than other varieties, capsules around culms and annular, overlapping, densely invisible, 250-350 capsules per plant. The grain is pure white, with oil content of 55.8%, and the general yield per mu is 120-150 kg. Under spring sowing and plastic film cultivation, the yield per mu can reach more than 200 kg.

Sesame is an economic crop, which has the characteristics of barren resistance and fertilizer saving, easy to manage, early stubble, good stubble and so on. The seed method is simple, and it can be sown from 4 May to July, leaving about 8000 seedlings per mu. The key points of its high-yield cultivation are as follows: spraying dwarf or paclobutrazol once in 2 pairs of true leaf stage to achieve the effect of dwarf and dense capsule; applying 25 kg of nitrogen, phosphorus and potassium compound fertilizer per mu in the early flowering stage; spraying foliar fertilizer and carbendazim twice after the early flowering stage, and 0.3% borax aqueous solution; spraying potassium dihydrogen phosphate solution at an interval of 7-9 days in the later growth stage, preferably after 4: 00 p.m. on a sunny day. After the full bloom, it is necessary to top and pick the heart in time to prevent overgrowth and blighted fruit. Avoid continuous cropping when planting, in order to increase income and high yield.