What are the key points to note when buying greenhouse vegetable seeds?

Choosing the right variety accurately is a prerequisite for successful greenhouse vegetable cultivation. There are currently many varieties on the vegetable seed market, and a considerable number of operators do not fully understand seed characteristics and lack basic agricultural knowledge, caring only about selling seeds to make money. As a result, some greenhouse vegetable growers are cheated every year. The author is a veteran vegetable technology extension worker, and therefore raises five issues that vegetable growers should note when buying seeds.

1. Do not blindly chase novelty. In every region there are several conventional varieties grown on a large scale; they have strong adaptability, high yields and disease resistance, and are very popular in the market. But some vegetable growers always think it is good to sell novel varieties. In fact, the opposite is true: varieties that have not been trial-planted are extremely prone to failure. Nowadays the vegetable seed market has a great variety of products and wide distribution channels. Once you enter a seed shop it is truly a hundred flowers blooming; whichever variety you ask about, they all say it is good, leaving people at a loss, but you still have to make your own decision. You must choose a good variety that you have already grown yourself or have seen others grow for many years. If you want to grow novel varieties, you must first conduct small-area trial planting for 2-3 years before planting them on a large scale.

2. Do not blindly buy varieties from other places. Varieties have fairly strict regional characteristics. A good variety that is disease-resistant and high-yielding in one place may become an inferior variety that is disease-prone and low-yielding in another. This is because organisms and the natural environment form a unified whole. For example, last year a certain village bought a tomato variety from another place that had not been trial-planted, resulting in severe yield and income reductions over a large area. The dispute has still not been resolved, and a lesson should be learned from this.

3. Do not buy seeds just because they are cheap. Many seeds currently sold on the market are first-generation hybrids (especially tomatoes). Saving seed from the second generation causes severe segregation, degeneration and yield reduction. Some first-generation hybrid seeds are expensive, especially some seeds introduced from abroad, whose price is close to that of gold (1712.90, -2.60, -0.15%), costing several jiao per seed. Seeing that there is profit to be made, some seed merchants substitute second-generation seeds or other seeds and sell them at low prices, causing huge losses to producers. Therefore, when buying seeds, you cannot look only at the instructions and packaging; you should also consider the seller's credibility before buying.

4. Buy seeds according to market demand. Markets in different regions have different demands for vegetable varieties. For example, if purple eggplants sell well in a certain area, you cannot grow green eggplant varieties; if pink tomatoes sell well in a certain area, do not choose red varieties; if the main goal is export sales, choose thick-skinned varieties that tolerate storage and transport. Only by buying seeds in this way can your vegetables seize the market and sell for more money.

5. When buying seeds, be sure to ask for an invoice and a credibility card. When there is a seed dispute, the invoice is the only basis. Of course, it is best to keep the seed bag after sowing, as this is also one of the pieces of evidence for resolving seed disputes. When buying seeds, it is even better if you can obtain technical materials, so that you can manage according to the technical materials and reduce losses.