After years of investigation and research,the germplasm resources and distribution of Camellia plants in Ji'an city were basically found out.Among the more than 200 species in 20 groups of 4 subgenus of Camellia,18 species in 8 groups of 3 subgenus have been found in the city so far.This paper mainly introduced the species,main morphological characteristics and distribution of Camellia plants in Ji'an city,Jiangxi province.
With the continuous improvement of the urban landscape,the garden chrysanthemum had been increasingly used in the flower borders and planters for festival celebrations,because of its round plant type,high flower density,color variety,long flowering period,strong stress resistance.The cultivation and management techniques of cutting propagation,water and fertilizer management,flowering regulation,pest control were introduced,so as to provide reference for the landscape effect of garden chrysanthemum in target flowering period.
Illicium verum is one of the commonly used condiments,its production process may be affected by a variety of factors.It also faced a variety of pests and diseases,affect the production efficiency.Based on the causes of low yield and common diseases and pests,this paper explored the transformation of low-yield forest and pest control measures for I.verume,in order to provide reference for the production management.
Scallions and soybeans are major economic crops in China and are widely planted.Promoting the cultivation mode of intercropping scallions with soybeans has strong practical significance.In order to innovate new technology agriculture,a comparative experiment was conducted in Tonghua area on soybean intercropping with scallions for simultaneous sowing and staggered sowing,aiming to lay the foundation for the promotion of soybean intercropping with scallions technology in the local area.
The current situation of landscape greening in Ningxia province was elaborated,and the causes of garden diseases and pests were analyzed from the aspects of insufficient nutrition of plants,unreasonable water and fertilizer,and lack of thermal insulation mana for plants.The targeted prevention and control plans were proposed,including scientific allocation of vegetation types,prevention and control from the source,strict control of pesticide dosage,and comprehensive prevention and control.
