Grafting for managing vegetable crop pests

Nematode and disease resistant rootstocks have been developed for many vegetable crops including tomato, eggplant, melon, watermelon, and cucumber and are being utilized by an increasing number of growers. Grafting commercially desirable vegetable scions on nematode and disease resistant rootstocks...

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Bibliographic Details
Published in:Pest management science 2021-11, Vol.77 (11), p.4825-4835
Main Author: Thies, Judy A
Format: Article
Language:English
Subjects:
Blight
Crops
Disease
economics of grafting
Fumigation
Fusarium
Grafting
grafting robots
Inoculum
Methyl bromide
Nematodes
New technology
pest management
Pest resistance
Pests
RNA-mediated interference
Root rot
Rootstocks
Scions
Soil management
Soils
Southern leaf blight
Tomatoes
Transcriptomics
vegetable crops
Vegetables
Verticillium wilt
Water melons
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Summary:Nematode and disease resistant rootstocks have been developed for many vegetable crops including tomato, eggplant, melon, watermelon, and cucumber and are being utilized by an increasing number of growers. Grafting commercially desirable vegetable scions on nematode and disease resistant rootstocks has been significantly stimulated by the need for an alternative to banned soil fumigation with methyl bromide, which had been the primary method for managing soil‐borne nematodes, diseases, and weeds. Rootstocks resistant to root‐knot nematodes (Meloidogyne spp.) and diseases including Fusarium wilt, Fusarium crown and root rot, Verticillium wilt, bacterial wilt, Southern blight, and sudden wilt have been developed and many are available commercially. New technologies such as transcriptomics, identification of differentially expressed genes, transgene rootstocks, and RNAi silencing are being used in the development of vegetable rootstocks which are resistant to pests, salt tolerant, and heat and cold tolerant. Overall, grafting has proven to be a successful and environmentally safe method for managing root‐knot nematodes and soil‐borne diseases by reducing infection, disease development, and inoculum build‐up in the soil, which is especially important for growth of healthy subsequent crops. © 2021 Society of Chemical Industry. Grafting on resistant rootstocks protects vegetable transplants grown under high pest pressure. Non‐grafted plant is stunted by pests (fungi, bacteria, nematodes, viruses, and insects). Healthy grafted plant produces high yields.
ISSN:1526-498X
1526-4998
DOI:10.1002/ps.6512