The sun's rays covered the fruits of a citrus tree like red gold. Round, oval, pear-shaped, large and small - and they are all on the same tree. Twenty-two varieties make up this interesting plant. We got it with the help of emerald surgery - vaccinations. Vaccinations are a necessary technique in the work of a gardener. After all, without them it is impossible to create a single orchard. There are many different ways to vaccinate. And the goals of vaccinations are very different. This book will introduce you, young reader, to Michurin's vaccination methods. With their help, the breeder, the author of this book, Fedor Mikhailovich Zorin receives new varieties of plants. For eight-year-old school2nd edition.