Planting Technology Lists
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How to control Botrytis cinerea of rose
Botrytis cinerea mainly harms flowers and twigs. After the bud is infected, it is waterlogged and irregular at first, and the spot expands continuously, so that the whole bud becomes soft and rotten. When the diseased buds wither and hang on the diseased tissue, the pathogen will also invade the branches that have been picked flowers, and a large number of gray mildew layers will be produced in the disease under warm and humid conditions. Prevention and control measures 1. Timely removal of diseased flowers, removal of withered presbyopia, and concentrated burning. two。 Greenhouse cultivation should pay attention to ventilation and avoid excessive humidity. 3. It can spray 65% Dysen zinc wettable powder 600 times liquid and 75% chlorothalonil wettability at the time of onset.
2019-01-16 -
Prevention and Control of White Silk Disease of Cymbidium
White silk disease is caused by fungus Selerotiumrolfsii, which harms seedlings to the base and roots of adult stems. Cymbidium is more likely to be infected with the disease. During the disease, white hyphae can be seen at the base of the stem, browning at the base of the stem, root drying, and the formation of a large number of small brown sclerotia, resulting in the softening of the stem base and death. The pathogen has a wide host range and does serious harm to bulbous flowers and perennial flowers. And it has strong saprophytic nature and can survive in the matrix or old basin for a long time by sclerotia. This pathogen can also be infected with cymbidium.
2019-01-16 -
Cultivation and propagation of rhododendron red camellia
Rhododendron red camellia, also known as rhododendron tea, or "fake big head tea", belongs to the genus Camellia and is a small evergreen tree. It is named because it looks very much like a cuckoo, but it is actually camellia. Rhododendron red camellia is an extremely rare variety of camellia, which is only found in Ehuangzhang Provincial Nature Reserve in Yangchun County, Guangdong Province. Ordinary camellia has both proud plum style and gorgeous peonies. It has been a very famous woody flower since ancient times and has the reputation of "world famous flower". The beauty of rhododendron red camellia is better than that of ordinary camellia.
2019-01-16 -
Take good care of bonsai with tree stump in winter
The seasonal tree stump bonsai is maintained in the greenhouse, because of the high temperature, humidity and poor ventilation in the greenhouse, it is easy to cause poor growth and development, so it should be carried out from the following aspects in the maintenance process: ventilation should be carried out frequently in the room of changing air temperature. the general ventilation time is carried out at noon on a sunny day, and the size of the ventilation opening should be determined according to the growth habits of the tree stump bonsai and the temperature requirements. When the weather is cold, the vent should be small, the ventilation time should be short, on the contrary, the vent should be large, the ventilation time should be long. Through ventilation, the temperature can be reduced.
2019-01-16 -
How to raise bonsai with tree stump in winter
Based on years of experience, the author believes that as long as the following three aspects are done well, it is not difficult for tree stump bonsai to survive the winter safely. 1. Do not apply fertilizer to the right amount of water. Winter watering should be better dry than wet, and the soil should not be watered until it is white. To be watered at noon, it is better to water thoroughly at once, not at night, otherwise it is vulnerable to freezing damage. For conifers, wax leaves and thick, green landscape trees, combined with spraying water to wash the leaves is also very good. Bonsai trees should not be fertilized in winter, but they should be combined with weeding, loosening soil and killing diseases 15 days before winter.
2019-01-16 -
Skillful selection of bonsai stumps in winter
1. The kind of tree stump. From the cultivation point of view, it is required to be resistant to pruning and easy to tie; from the aesthetic point of view, the stump shape is required to meet the conditions such as leaf twig curvature, flower multiplication and fruit beauty. Common evergreen categories are: birds do not stay, oak, Chinan, Elaeagnus angustifolia, ten meritorious efforts, southern bamboos, firethorns, etc.; common deciduous categories are: Wei spear, bayberry, sparrow, crape myrtle, triangular maple, small leaf Anzhen, hammer elm, wisteria, etc., deciduous leaves can be purchased in winter and spring. two。 The vitality of the stump. ① cut the rough outer skin of the dry pile, the inner layer is turquoise, there are
2019-01-16 -
Causes and control of yellowing of bonsai leaves of winter red fruit
The winter red fruit is easy to bloom, the fruit setting rate is high, the fruit is all red, and the hanging fruit period can be extended to the flowering and long leaves of the following year without falling off. it is an excellent variety of bonsai and is deeply loved by the people. However, in the process of cultivation, the leaves are often yellowed and shedding due to the limitation of basin capacity and other effects. The main causes of yellowing are as follows: warm winter red fruits like warm and humid conditions, like light but not too strong, especially in hot summer, the sun is strong and direct, which will dry the air and raise the temperature of the basin soil.
2019-01-16 -
Production and management of juniper bonsai
Juniper, also known as juniper, cypress, juniper, is an evergreen tree of the genus Sabina of the family Cypress, with brown bark, longitudinal grooves and strip peeling off. Branches spread upward, branchlets drooping, trigonous, green at first, then reddish brown. The leaves are verticillate, the leaves are needle-shaped, the apex is sharp, the surface is slightly concave, the midrib is slightly raised, the leaves are green, and there is a white stomatal band on each side, which is integrated at the apex of the leaf. Juniper trunk vigorous and simple, green leaves, evergreen, soft branches, easy to shape, is a good tree species for bonsai production.
2019-01-16 -
Three taboos for beginners to make bonsai
First, do not be blind. many people always want to have a lot of bonsai, which can be watched at any time to satisfy hunger and thirst. However, at the beginning of production, due to the lack of appreciation ability, it was necessary to see the stumps when digging tree stumps in the mountains, and the implementation of "carpet" excavation not only wasted resources, but also destroyed the ecology. When buying in the bazaar, they buy in large quantities, regardless of the good or the bad. As a result, most of them are not high-grade crude products, which are time-consuming, laborious and costly. Therefore, it is true that beginners understand the eagerness of seeking piles, but they must be instructed by experts so as not to get twice the result with half the effort. II. Pile maintenance
2019-01-16 -
Pruning techniques of Tamarix bonsai
Tamarix, alias Guanyin willow, Sanchun willow. It has strong adaptability, salt tolerance, waterlogging resistance, cold resistance, drought resistance, pruning resistance, fast forming and easy survival in general management. Tamarix branch small leaves, branches drooping, graceful, shaped like weeping willow; its torso such as iron, old and strange, with the quality of pine and cypress; blossom three times a year, the flowering period is longer, the pink flowers are full of branches, more enchanting; its roots, such as swimming dragon, wonderful shape, whether it is root, trunk, leaf or flower, it has incomparable advantages over other tree species, and it is a good tree species for bonsai production. Tamarix
2019-01-16