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Chives
2 months ago

Chives

Resource by Plusfarm

Chives, a herb, belong to the onion family and it takes about 45 days to mature after which farmers harvest a crop every 20-25 days for up to three years, and a greenhouse measuring 240 sq m produces up to 150 kg. A perennial crop, chives are easy to grow and are rarely attacked by pests and diseases. All these factors, along with steady export demand, have made it a very attractive crop for the farmers.


Varieties


Onion Chives 

The white flowers of garlic chives (Allium tuberosum), which appear in late summer, have a surprising violet scent, though the crushed flat leaves taste of garlic. 

Chinese Chives 

leaves are flat and not round and flowers are white not pink. Growing to about 12-18 inches.

Giant Siberian Chives 

Taller than other chives, giant chives (Allium ledebourianum) is favored as a flower bed border. Though given its own identity, some plant experts believe it is just a larger incarnation of common chives

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Cultivation


Environmental requirements

Chives are cool-season, cold-tolerant perennials that require a temperature range of between 15-30 degrees centigrade. They are frost hardy, but they grow very slowly in cold temperatures. Chives are cool-season, cold-tolerant perennials that require a temperature range of between 15-30 degrees centigrade. They are frost hardy, but they grow very slowly in cold temperatures.

Soil Requirements

The plants perform best in well-draining soil, rich in organic matter with a pH of 6-7

Fertilizer application

Incorporate well decomposed animal or compost manure with the soil to increase soil fertility, the crop requires fertile soil. Phosphate fertilizer can be spread along the planting lines as it will help in rapid root and crop establishment. In case of seeds, the coating can be done using phosphate inoculum such as Gro plus-a phosphate-based seed dresser for root enhancement and yield improvement.

Land preparation

Soil needs to be moist, fertile, rich, and well-draining. Before planting, incorporate 4 to 6 inches of well-composted organic matter. Work compost into the soil to a depth of 6 to 8 inches.

Seedbed preparation/Transplanting

They are slow to germinate and begin emerging after about 7 days.

The seedlings however develop quickly and are ready to be transplanted when they are about 4 weeks old and after they have been hardened

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Pests and Diseases / Commonly Used Agrochemicals

Disease and Symptoms

Active Ingredient

Commonly used Agrochemicals

Damping off

Seeds become soft and rot, failing to germinate. Water soaked lesions girdling the stems at the soil line can be seen. 

Thiram (50 %)

Chlorothalonil (500G/L) 

Azoxystrobin (60G/L)

AGRICHEM FLOWABLE THIRAM

COMPLIANT 560 SC

METACOZEB 72 WP

Powdery Mildew

whitish powdery growth on leaves, petioles and stems.leaves become chlorotic. Heavy infections cause distortion of flowers.

Metalaxyl-M (339g /l)

Azoxystrobin (250G/L)

 APRON XL

MILESTONE 250 SC

Leaf Spots

brown or black water-soaked spots on the foliage, sometimes with a yellow halo, usually uniform in size. Under dry conditions the spots have a speckled appearance.

Mancozeb (640G/KG

Azoxystrobin (250G/L) 

METACOZEB 72 WP

MILESTONE 250 SC

Xanthomonas Black Rot

Symptoms are initially expressed as 'v' shaped lesions of the leaf margins and a blackening of the veins and the vascular system in the leaves, stems and roots (hence the name black rot). Eventually whole leaves can yellow, wilt and die back.

Copper oxychloride (85%)

Copper oxide|

Cuprous oxide (60G/L)

ISACOP



MASTERCOP 60 SC

Soft Rot

Infected plants have small water soaked lesions near the base of their petioles which become soft, sunken and brown as infection advances.

Metalaxyl 80g/kg + Mancozeb 640g/kg 

Oshothane® 80WP (P) 

Matco® 72WP (C) 

Bio-Cure B

Damping Off

Seeds become soft and rot, failing to germinate seedlings die after emerging from the soil. Water soaked lesions girdling the stems at the soil line can be seen. 

Fludioxonil

 (480 g / l)

MAXIM 480FS

Downy Mildew

Leaf yellowing is the most noticeable symptom 

Mancozeb (640G/KG)

Mancozeb (64%) 

Metalaxyl (8%)

RIDOMIL GOLD MZ 68 WG

TATA MASTER

White Blister

White 'blisters' appear on the underside of the plant's leaves, with a light green or yellow discolouration on the upper leaf surface.

Mancozeb (640G/KG)

Mancozeb (64%) 

Metalaxyl (8%)

RIDOMIL GOLD MZ 68 WG

TATA MASTER

Black Rot

initially appear as yellow to light brown patches at leaf margins; veins later darken in infected leaves. Infected leaves later turn brown and dry out, leaving angular-shaped lesions on the leaf margin. 

Copper oxide|

Cuprous oxide (60G/L)

Copper hydroxide (66.7%)

MASTERCOP 60 SC



VITRA 40 WG

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Pests and Symptoms

Active Ingredient

Commonly used Agrochemicals

Nematode

Patches of variable crop growth with stunted, chlorotic, and excessively wilted plants. Often the number and size of leaves is reduced.

 Azadirachtine (0.15%)

 ACHOOK 0.15% EC

Leaf miner

Wiggly lines or blisters on leaves ,Blotchy mined leaves that become brown and papery

 Abamectin|Avermectin B1 (50G/L)

Cyromazine (750G/KG)

Abamectin|Avermectin B1 (18 g / L)

Chlorantraniliprole (45 g / L)

ALONZE 50 EC

CYROGUARD 75% WP 

 VOLIAM TARGO 063 SC B

Thrips

Plant leaves may turn pale, splotchy, and silvery, then die. Injured plants are twisted, discolored and scarred

Abamectin|Avermectin B1 (50G/L)

Beauveria bassiana

Thiacloprid (480G/L)

Chlorantraniliprole (DPX E-2Y45) (200G/L)

ALONZE 50 EC

 

BIOPOWER 1.5 LIQUID

CALYPSO 

CORAGEN 20SC

Caterpillar

Hole in Leaves/Missing Leaf Tips

Indoxacarb (p) (150G/L)

Flubendiamide (480G/L)

Chlorantraniliprole (DPX E-2Y45) (200G/L)

AVAUNT 150 EC

BELT 480 SC

CORAGEN 20SC

Diamond back moth

entire plants may become riddled with holes; windowing entire plants may become riddled with holes entire plants may become riddled with holes

Flubendiamide (480G/L)

Dbm 

Beauveria bassiana (150 g/ L)

 BELT 480 SC

 

BIOPOWER 1.5 LIQUID

Aphids

stunting and leaf curling and twisting, the honeydew they secrete, and the associated sooty mold

Beauveria bassiana (150 g/ L)

Thiacloprid (480G/L)

Pymetrozine (500G/KG)

BIOPOWER 1.5 LIQUID

 

CALYPSO

CHESS 50 WG

Cutworm

Seedlings/Young Shoots Sheared at Base

Cypermethrin|

Alphamethrin (100G/L)

Lambda-Cyhalothrin (25G/L)

DEGREE 100 EC

 

TATA UMEME 2.5 EC

Beetles

severely wilted young plants and plants with dry young leaves. Plant death follows shortly after these symptoms

Lambda-Cyhalothrin (17.5G/L)

Lambda-Cyhalothrin 

(25G/KG)

Lambda-Cyhalothrin (50G/L)

DUDUTHRIN 1.7 EC

KARATE 2.5 WG

KARATE ZEON

Whitefly

Leaves will wilt, turn pale or yellow, growth will be stunted, and eventually, leaves may shrivel and drop off the plant; Honeydew presence

Lambda-Cyhalothrin (25G/L)

Spirotetramat (75G/L) 

Flubendiamide(100G/L)

TATA UMEME 2.5 EC

 

TIHAN OD 175

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Post Harvest

Harvesting chives can begin about 12 weeks after planting the seeds or when established plants have resumed their growth. This is usually when the plants are about 6 inches tall.

Chives are harvested throughout the season to prevent the leaves from becoming tough and to encourage formation of new bulb lets. This is achieved by simply snipping off the leaves with a pair of scissors leaving about 3 cm of green on the plant.

Flowers can also be harvested for use as an edible garnish.Harvesting should begin from the outside leaves inwards as required.

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