本書共分園藝昆蟲識別、園藝植物病害識別與診斷、科學使用農藥、園藝植物病蟲害田間調查測報和綜合防治方案制定、園藝植物病蟲害綜合防治技術5個項目，項目下設26個任務。同時，教材邀請了企業、行業專家參與編寫，對接科技發展趨勢和市場需求，及時吸收比較成熟的新技術、新工藝、新規范，以盡可能滿足具有國際視野的高素質技術技能型的人才培養的需要。
本書詳細介紹了園藝病蟲害識別及綜合防治技術，圖文并茂、體例新穎、層次清晰、深入淺出、通俗易懂、實用性強。適用于高職高專院校園藝類專業，也可供農業科技工作者參考。
In recent years, China’s vocational education has developed unprecedentedly, and exchanges with other countries around the world have become increasingly frequent. There is an urgent need for a large number of high-quality technical and skilled talents with an international vision in all industries, and the demand for talents who can use specialized English proficiently is also increasing. According to the spirit of documents such as the Implementation Plan of National Vocational Education Reform, Guidelines on Promoting the High-quality Development of Modern Vocational Education and the National Planning and Construction Plan of Textbooks for Universities, Secondary Schools and Primary Schools (2019—2022), as well as the needs of the rapid development of horticultural technology, the Horticultural Plant Protection came into being.
The book consists of five modules: ①identification of horticultural insects, ②identification and diagnosis of horticultural plant diseases, ③scientif ic use of pesticides, ④field investigation, forecast, and integrated control plan for horticultural plant diseases and pests, ⑤integrated control techniques for horticultural plant diseases and pests. There are 26 tasks under these modules, and the contents are arranged by the “task-driven and module-oriented” method.
The enterprise and industry experts are invited to participate in the compilation of the book to meet the development trend of science and technology and the market demand. The book timely absorbs relatively mature new technologies, new processes, and new specifications, so as to meet the needs of training horticultural talents as much as possible. Qiu Xiaohong (Jiangsu Vocational College of Agriculture and Forestry), Wu Kai (China Agriculture Press Co., Ltd), and Ding Yinhuan (Jiangsu Vocational College of Agriculture and Forestry) serve as the Editors-in-Chief of the book; Yang Hongjun (Jiangsu Vocational College of Agriculture and Forestry), Wang Ji (Jiangsu Vocational College of Agriculture and Forestry), and Cao Jian (Chongqing Three Gorges Vocational College)serve as the Associate Editors-in-Chief of the book. The specific division of work is as follows: Module 1 is written by Qiu Xiaohong, Module 2 is written by Ding Yinhuan, Module 3 is written by Cao Jian, and Module 4 is written by Yang Hongjun. For Module 5, Tasks 1 and 2 are written by Wang Ji, Task 3 is written by Yuan Shuixia (Henan Vocational College of Agriculture), Task 4 is written by Wu Kai, Tasks 5 and 6 are written by Zhang Xu (Jiangsu Vocational College of Agriculture and Forestry), Task 7 is written by Gao Bolun (Bailie Vocational College), Task 8 is written by Ge Yinglan (Nanyang Vocational College of Agriculture), Tasks 9 and 10 are written by Diao Yamei (Jiangsu Vocational College of Agriculture and Forestry), Task 11 is written by Zhu Youli (Zhenjiang City Plant Protective Station), and Task 12 and the book consolidation work were carried out by Wu Kai. Shi Weishan (Jiangsu Aijin Crop Technology Group Co., Ltd.), a senior agronomist, is responsible for the review of pesticide-related content in Module 3 of the book. The researcher Yao Kebing (Zhenjiang Institute of Agricultural Sciences in Hilly Area of Jiangsu Province) is responsible for the review of the book.
We hereby would like to express our heartfelt thanks to the experts and scholars for referring to, drawing on, and quoting relevant documents in the compilation of the book! The book is only based on my perception and knowledge. Suggestions for improvement will be gratefully received.
邱曉紅，副教授，現任江蘇省雜草學會理事、鎮江市農學會理事和江蘇省農作物病蟲害綠色防控指導專家，為國家級職業教育教師教學創新團隊骨干成員。長期從事植物保護教學、科研及推廣工作，榮獲首屆國家教材建設獎一等獎、全國農業教育優秀教材獎。主持國家在線精品課程1門，主編“十三五”“十四五”職業教育國家規劃教材 4 部；主持國家級教學資源庫子項目1項，獲省級以上教學比賽類獎項8項，省級以上科研獎項 3 項。
吳凱，碩士，中級職稱，從事植物生產類專業教材的策劃出版工作，擔任中國現代種業行業產教融合共同體理事會理事，被中國編輯學會評選為大中專教材金牌編輯。策劃出版的《植物保護》等教材榮獲首屆全國教材建設獎，30 余種教材被列入“十三五”“十四五”職業教育國家規劃教材，百余種教材被列入省部級規劃教材。
丁銀環，博士，講師。主要從事植物保護教學工作，研究方向為彈尾綱分類和系統發育。主持并參與多項基金課題，其中國家自然科學基金參與4項。發表SCI和中文期刊論文共計20余篇，其中以第一作者發表5篇。
Module 1 Identification of Horticultural Insects 1
Task 1 Identification of Morphological Characteristics of Insects 1
Task 2 Biological Characteristics of Insects 22
Task 3 Identification of Key Groups of Horticultural Insects 35
Module 2 Identification and Diagnosis of Horticultural Plant Diseases 66
Task 1 Identification of Symptoms of Horticultural Plant Diseases 66
Task 2 Identification of Fungal Taxa of Horticultural Plant Pathogens 70
Task 3 Identification of Other Groups of Horticultural Plant Pathogens 107
Task 4 Diagnosis of Horticultural Plant Diseases 118
Module 3 Scientific Use of Pesticides 125
Task 1 Selection of Appropriate Pesticides 125
Task 2 The Dilution and Preparation of Pesticide 137
Task 3 Proper Application of Pesticides 141
Task 4 Pesticide Field Efficacy Test 151
Module 4 Field Investigation, Forecast, and Integrated Control
Plan for Horticultural Plant Diseases and Pests 159
Task 1 Techniques for Horticultural Plant Diseases and Pests Investigation 159
Task 2 Prediction and Forecast of Horticultural Plant Diseases and Pests 168
Task 3 Development of Integrated Control Plan for Diseases and Pests 183
Module 5 Integrated Control Techniques for Horticultural Plant Diseases and Pests 198
Task 1 Techniques for Diseases and Pests Control of Cruciferous
Vegetables 198
Task 2 Techniques for Diseases and Pests Control of Solanaceous Vegetables 243
Task 3 Techniques for Diseases and Pests Control of Cucurbitaceous Vegetables 301
Task 4 Techniques for Diseases and Pests Control of Fabaceae and other Vegetables 337
Task 5 Techniques for Control of Fruit Trees Leaf Diseases 367
Task 6 Techniques of Control for Stem Diseases of Fruit Tree 394
Task 7 Techniques of Control for Fruit Diseases of Fruit Tree 415
Task 8 Techniques for Control of Fruit Borers 440
Task 9 Techniques for Control of Foliar Pests 452
Task 10 Techniques for Control of Phloem-Sucking Pests 464
Task 11 Techniques for Control of Trunk Borers 473
Task 12 Techniques for Control of Underground Pests 480
References 496
I. Downy Mildew of Cruciferous Vegetables
( I ) Symptom Identification
Downy mildew of cruciferous vegetables can occur throughout the entire fertility period. The disease is severe at the late stage of adult plants, mainly damaging leaves, and then, stems and f lowers, etc. Downy mildew is commonly characterized by leaf damages, which initially produces yellowish-green to brown spots at the topside of leaves; after expansion, the spots shape into polygons and irregular forms due to the limitation of leaf veins; in severe cases, the spots are connected to form pieces, causing part of or the entire leaf to die; injury to pedicels and floral organs often causes hypertrophy and deformity; when humidity is high, white powdery mildew layers can occur on diseased parts.After the onset of the disease, white powdery mildews can appear at the underside of leaves of Chinese cabbages (Brassica rapa pekinensis), while the
syndromes at the topside of leaves are not obvious. The damaged leaves are dried on one layer after another from outside to inside on the adult plants, in severe cases, leaving only the leafy heads of the plants. Diseases can occur during both the seedling stage and adult stage of common cabbages [Brassica pekinensis (Lour.) Rupr.]. Chlorotic spots with unclear margins initially appearing on the foliage can turn into yellowish-brown polygonal spots after the expansion due to the limitation of leaf veins. Powdery mildews appear at the underside of the spots. The diseased
apical buds and pedicels of seed strains become swollen and deformed, which are called the “dragon staff” by farmers. The diseased seedpods also deform to varying degrees, resulting in poor seeding.
After the onset of the disease, spots that are slightly concave, black to purplish_x005fblack, and dotted and irregular in shape can appear at the topside of leaves of wild cabbages (Brassica oleracea) and cauliflowers (Brassica oleracea var. botrytis Linnaeus), while white powdery mildews appear on the spots at the underside of leaves. After the heads of caulif lowers are damaged, the tips turn black and the blackened parts spread to the entire head, which makes the head inedible. Brown to blackish-brown irregular spots and slightly sagged black spots respectively appear on the diseased tuberous roots of turnips (Brassica rapa subsp. rapa) and radishes (Raphanus raphanistrum subsp. sativus). The spots on the stems of bolting plants are the same.
( II ) Pathogen Identification
The pathogen causing downy mildew to cruciferous vegetables is parasitic downy mildew [Peronospora parasitica (Pers.) Fr.], which belongs to Peronospora of Oomycota in Chromista. The aseptate mycelium is colorless, entering host cells to absorb nutrients. Asexual propagation produces sporangia, which grow on the sporangiophores. The sporangiophores protrude from the stomata, branching in the shape of binary trees. The sterigma at the top is pointed, bending inward in the shape of pincers. The sporangia are colorless, amerosporous, oblong oval to oval-shaped, producing germ tubes directly at the time of germination. Sexual propagation produces oospores, which can be formed in diseased leaves, stems, flower stalks, and pods, especially in thick tissues such as flower stalks, etc. The oospore is yellow to yellowish-brown, nearly spherical, thick on the walls, smooth or wrinkled on the surface, and produces germ tubes at the time of germination.
( III ) Occurrence Regularity
Downy mildew occurs mainly in spring and autumn. In northern China, parasitic downy mildew mainly stays in the soil with the oospores and diseased residues or the root tubers of radishes and turnips with spores and dormant hyphae for oversummering and overwintering. Vegetables infected in spring, e.g., bok choy (Brassica rapa subsp. chinensis), rapes, and radishes, produce oospores in the disease tissues at the middle and late stage of the infection, which can germinate in the autumn of that year and infect autumn vegetables, becoming the initial source
of infection in the northern region. In southern China, pathogens can also stay in host cruciferous vegetables in the field with mycelia for overwintering. Under appropriate conditions, mycelia can form sporangiophores that protrude from the stomata and produce sporangia. Both oospores and sporangia are the initial source of infection for diseases in these areas. In Guangdong, where vegetables are planted all year round, pathogens are transmissible on various host crops throughout the year, so overwintering is not taken into consideration. The sporangia produced on these diseased plants become the initial source of infection for local diseases. The oospores and sporangia can be transmitted to the host through wind, rain, or agricultural tools, germinating and producing germ tubes that enter the host tissues from stodiseasemata or epidermis and develop into mycelia. The mycelia expand in gap junctions, causing lesions in the host tissues. Afterward, the hyphae produce sporangiophores that protrude from the stomata. Sporangiophores produce sporangia. The sporangia are transmitted by wind, rain, or airf low for secondary infection. In a growing season, secondary infection occurs many times, causing the diseases to spread. At the late stage of infection, the hyphae in the diseased tissues produce oogonia and antheridia, and the eggs in the oogonia become oospores after being fertilized, and then, the pathogens overwinter and oversummer with oospores or dormant hyphae.
Temperature and humidity greatly influence the occurrence and epidemic of downy mildew, among which temperature determines the occurrence time and developmental speed of the diseases, and rainfall determines the severity of disease development. The production and germination of sporangia are most suitable at a lower temperature of 7–13℃. The appropriate temperature for invasion into the host is 16℃. After the invasion, the growth of mycelia in the host requires a higher temperature of 20–24℃. Therefore, an epidemic is most likely to occur in rainy weather lasted for more than f ive consecutive days with an average temperature of 16℃ and relative humidity higher than 70%. High humidity and water droplets are beneficial to the formation, germination, and invasion of sporangia. Therefore, diseases are often severe in rainy conditions. Generally, during the rosette and folding stages of Chinese cabbages, if the weather is hot, the rainfall is heavy, or the f ield temperature is high, the temperature difference between day and night is large, or the weather is sometimes hot and sometimes cold, and it’s dewy and foggy, the diseases are most likely to cause epidemics. Diseases can easily occur on seed strains during anthesis on rainy days. Generally, diseases mostly occur on vegetables planted in late autumn and early spring. Diseases occurring on early sown autumn cabbages, especially under a high temperature and heavy rainfall, are usually severe; situations such as poor ventilation in the field, continuous cropping, insufficiency of bottom fertilizer, late seedling thinning, large density, and the lack of fertilizer at the folding stage can also lead to severe diseases. In addition, there are certain differences in disease resistance between cultivars. The cultivars of straight and slight wrappers are less affected by diseases, while the ones of spherical and central type have severe syndromes; the cultivars with white stems that have a tender and juicy taste also have severe syndromes, while the ones with green stems are less affected by diseases.
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