By Prof. (Dr.) Parshant Bakshi
Head, Fruit Science, SKUAST-Jammu
In every imported plant lies both opportunity and risk; plant quarantine is the balance that keeps both in harmony
In an era of globalization, the movement of planting material across countries has become routine. Fruit crops—ranging from apple rootstocks from Europe to exotic berries and kiwifruit from temperate regions—are frequently imported to enhance productivity, diversify horticulture, and strengthen the fruit economy. However, this exchange also carries a hidden risk: the introduction of exotic pests, diseases, and invasive species. This is where plant quarantine plays a critical role.
What is Plant Quarantine?
Plant quarantine refers to the legal and scientific measures adopted to regulate the import of plants and plant products in order to prevent the entry and spread of harmful organisms such as insects, fungi, bacteria, viruses, nematodes, and weeds. In simple terms, it acts as a “bio-security shield” that ensures only safe and disease-free planting material enters the country.
Why is Plant Quarantine Essential for Fruit Crops?
India is one of the largest fruit-producing countries in the world, with diverse agro-climatic zones supporting crops like mango, apple, citrus, banana, and walnut. However, this diversity also makes Indian agriculture highly vulnerable.
Prevention of Exotic Pests and Diseases
Imported fruit plants may carry hidden pathogens not present in India. Once introduced, these can spread rapidly and devastate orchards. A single pest introduction can affect millions of hectares.
Protection of Biodiversity
India’s rich biodiversity is at risk from invasive alien species. Quarantine helps prevent ecological imbalance caused by such invasions.
Safeguarding Farmers’ Livelihoods
Fruit crops are long-term investments. Any outbreak of a new disease can cause severe economic losses and orchard decline.
Ensuring Quality Planting Material
Quarantine ensures that imported germplasm is healthy, true-to-type, and free from pathogens—essential for high-density orchards and modern horticulture.
National Food and Nutritional Security
Unchecked pest entry could reduce fruit production and affect supply chains, thereby threatening food security.
Real Risk: Evidence from India
Between 2019 and 2024, over 6.43 lakh imported plant samples were examined, and more than 27,000 were found infected or infested with harmful organisms. Without quarantine, these threats would have entered Indian ecosystems unchecked.
Legal Framework Governing Plant Quarantine in India
India has a strong regulatory system to control plant imports:
Destructive Insects and Pests (DIP) Act, 1914 – foundational legislation
Plant Quarantine (Regulation of Import into India) Order, 2003 – comprehensive modern framework
Alignment with WTO-SPS Agreement and International Plant Protection Convention (IPPC)
Under these regulations:
Import permits are mandatory
Pest Risk Analysis (PRA) is conducted
Phytosanitary certificates are required
Consignments are inspected, treated, or rejected if necessary
How Plant Quarantine Works (For Fruit Plants)
Pre-import clearance – Import permit and risk assessment
Inspection at entry point – Visual and laboratory testing
Disinfestation/Disinfection – If required
Post-entry quarantine (PEQ) – Plants are grown under controlled conditions and monitored for diseases
This is particularly important for fruit plants meant for propagation, which pose higher risks.
Major Plant Quarantine Stations in India
India has developed a wide network of quarantine facilities at ports of entry. There are over 90 notified entry points, including airports, seaports, and land borders.
Key Regional Plant Quarantine Stations include:
New Delhi
Mumbai
Chennai
Kolkata
Amritsar
These stations are equipped with:
Diagnostic laboratories (including molecular testing)
Quarantine greenhouses
Treatment facilities
Additionally, the ICAR–National Bureau of Plant Genetic Resources (NBPGR) handles quarantine of imported germplasm for research purposes.
Recent expansions, especially in border regions of Northeast India, further strengthen India’s biosecurity network.
Relevance to Fruit Industry Development
For India’s fruit sector, particularly high-value crops like apple, walnut, mango, citrus, and emerging exotic fruits plant quarantine is indispensable:
Enables safe introduction of improved varieties and rootstocks
Supports climate-resilient horticulture
Prevents entry of devastating diseases like fire blight, citrus greening variants, or exotic fruit flies
Facilitates international trade by ensuring compliance with global phytosanitary standards
Why PEQ is Critical for Fruit Crops
Fruit plants especially those propagated vegetatively such as apple, walnut, citrus, and grape—pose a higher phytosanitary risk. PEQ is essential because:
Many viruses, viroids, and systemic pathogens remain symptomless initially
Imported clonal rootstocks and budwood can act as carriers of latent infections
Once introduced, such pathogens are almost impossible to eradicate in perennial fruit systems. Thus, PEQ safeguards long-term investments in orchards and ensures sustainable fruit production.
Strengthening PEQ in Jammu & Kashmir UT
Jammu & Kashmir, known for its high-value fruit crops like apple and walnut, has recently made significant strides in establishing PEQ infrastructure to support modernization and high-density horticulture.
1. PEQ Facility at Marta, Udhampur (Jammu Division)
A Post Entry Quarantine facility has been established at the Government Fruit Plant Nursery, Marta (Udhampur), the first of its kind in the Jammu division. This facility is designed to handle large-scale imported apple clonal rootstocks (M9 series) and support high-density apple plantation programmes. It has capacity to accommodate lakhs of clonal rootstocks and focus on multiplication and distribution of elite planting material. It is also useful for strengthening phytosanitary safeguards for imported germplasm
2. PEQ Initiatives in Kashmir Division
Several PEQ facilities are being developed under the Holistic Agriculture Development Programme (HADP):
Fruit Plant Nursery, Panzmulla (Anantnag) – Development of PEQ blocks for imported planting material and rootstock banks
Advanced Centre for Horticulture Development (ACHD), Zainapora, Shopian – Proposed large-scale PEQ facility for walnut and other temperate fruit crops with support from the National Seed Corporation.
These facilities aim to facilitate the import of world-class planting material and its safe multiplication for farmers.
3. Role of SKUAST and Line Departments
Sher-e-Kashmir University of Agricultural Sciences & Technology (SKUAST-J and SKUAST-K), along with Departments of Horticulture, play a pivotal role in:
Designing PEQ protocols
Disease diagnosis using advanced techniques
Capacity building and awareness among stakeholders
National Framework and Integration
PEQ facilities in J&K operate under the Plant Quarantine (Regulation of Import into India) Order, 2003, which mandates:
Import permits linked to availability of approved PEQ facilities
Monitoring and certification by designated inspection authorities
Strict compliance with phytosanitary norms
Without PEQ certification, imported planting material cannot be released for commercial use.
Implications for Fruit Industry
The establishment of PEQ facilities in J&K has far-reaching implications:
Accelerates adoption of high-density orchards
Ensures safe introduction of elite varieties and rootstocks
Boosts nursery sector commercialization
Enhances export competitiveness of fruit produce
Protects indigenous biodiversity and existing orchards
Plant quarantine is not merely a regulatory hurdle—it is a strategic investment in agricultural sustainability and national biosecurity. The expansion of PEQ facilities, particularly in Jammu & Kashmir, reflects India’s commitment to balancing global germplasm exchange with ecological safety. As India moves towards diversification and modernization of fruit production, the safe exchange of planting material will become even more critical. The strengthening of quarantine infrastructure, adopting advanced diagnostic tools, and creating awareness among importers and growers will ensure that India continues to benefit from global germplasm exchange without compromising its rich horticultural heritage.
The future of India’s orchards lies in our unwavering commitment to quarantine, every safeguard we implement today is a promise of a healthier, more abundant harvest for generations to come; rooted in safety, growth, and lasting prosperity
