Classification of tulips
There are many kinds of tulips, about ten thousand kinds. Here are two main classification methods:
1. Divided according to the change of flower pattern. Can be divided into cup type: Corolla cup-shaped, representative varieties are country tulips, Darwin tulips and hybrid Darwin tulips; bowl type: Corolla shallow dish-shaped bell-shaped, many and small flowers, representative varieties are water lily tulips; lily type: petal apex acuminate, Corolla like lilies, representative varieties have lily tulips; globular Corolla is a double species in rural tulips and hybrid Darwin tulips.
two。 Early or late according to flowering. According to the early and late flowering, tulips are divided into early flowering species: early flowering, usually flowering from March to April, with early flowering single petal system, early flowering double petal system, Mendelian system, Tarian line; late flowering species. It blossoms late and usually blossoms from late April to early May. There are Darwin line, Darwin hybrid line, Burda line, lily line, Cadland line, Rebran line, Bizar line, Paibloom line, Perot line, Bioni line and their hybrids.
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Sclerotinia sclerotiorum of tulips
Symptoms: the disease harms tulip seedlings and bulbs. In the early stage of the disease, the scales outside the susceptible bulb had soft rot, and many white silk-like mycelia were produced on the soil surface near the disease part. In the later stage of the disease, many sclerotia were formed, the sclerotia was round or irregular, it was white at first, and then turned brown to black. The internal color is lighter and the tissue is compact. After the seedlings were infected, the leaflets died as soon as they were born. Pathogen: the pathogen is rotten Sclerotinia sclerotiorum (ScterotiumtuliparumKleb), belonging to half-known subphylum, Trichoderma.
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Propagation and cultivation of Tulip
Tulip, also known as dry lotus, is a world-famous bulb flower. The flower stem is strong and straight, the flower is held high, the flower shape is neat, the color is rich, beautiful and dignified. It can be planted on the ground, potted or used as a cut flower with high ornamental value. First, reproductive technology 1. Bulb reproduction tulips are renewed every year, then dry up after flowering, and a new ball and several bulbs are born next to it. The number of bulbs varied with different varieties, less in early flowers and more in late flowers. The number of balls is also related to the cultivation conditions. General 9-
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